Set _default_ printer via group policy in 2003R2 to XP

Question: Win 2003 R2 setup. I can push the printer via group policy, and pushprinterconnections.exe, but the printer isn't set as the default printer. Any ideas on how to set the default printer for an XP box via group policy?
Answer: In the past I've done this using a startup script.
Using wscript:
<code>    Set WSHNetwork = CreateObject("WScript.Network")
    WSHNetwork.SetDefaultPrinter "[PRINTER_NAME]"
</code>
Taken from this link
Comment: To make it more flexible, you could create a security group for each printer - and then add the user to one of the printer security groups - having your script checking which printer group the user belongs to, setting that one as default. Instant default printer management with ADUC ^^
Comment: Nice! Only problem is one of timing. It seems that the printer, pushed from group-policy, isn't yet completey installed when the script runs, as I get an error that the printer doesn't exist.
Comment: OK, my bad. I had the script set the default printer as "Canon5000_PCL" which is the printer name... or was it? :-) Printer name is actually "\\\Canon5000_PCL", really helps to have the UNC path in the name. Your solution seems spot on (if one uses the right printer name) :-)
Comment: To add the printer connection, before setting it as default, add: WSH.Network.AddWindowsPrinterConnection("[Printer_UNC_PATH]")
Answer: In your comment on this answer you mention an issue with timing.  On our systems I call the script that sets default printers by adding the script under
User Configuration - Templates - System/Logon - Run Programs at Logon
The programs under 'run programs at logon' happen after the profile is done loading, and after windows explorer has started.  I am not 100% certain that this will deal with the timing issue in all cases, but it works for me.
Comment: Actually I think it does deal w/the timing issue. See my additional comment to Jimmie.
Answer: This is a surprisingly annoying problem to solve.  The first problem is that the default printer setting is user specific.  The second problem like you noted in your comment to Jimmie is that even with a per-user login script, there are timing issues where the printer doesn't technically exist yet or the HKCU hive hasn't finished loading.
What we ended up doing in our situation is basically using a login script that loops looking for the printer to exist before it tries to set it as default.  If it can't find it after a certain amount of time, it just gives up.
Answer: We have school districts using R2 printing deployment for labs.  To combat this left out function from R2 we use Kixtart to help.  This will help is you deploy printers for users in specific labs.   This will also provide the delay needed to wait for windows to add the printer.
Labs have a naming convention.  HS101-01, HS101-02, HS102-01, HS102-02, etc
Using a kixtart startup script from a Group Policy Object we have kix32.exe execute this script below.
<code>;Capture room number
$pos = INSTR(@WkSta, "-");
IF $pos > 0
    $Room = LEFT(@WkSta, ($pos - 1));
    ; ? $Room
ELSE
    $Room = @WkSta;
ENDIF

SLEEP 45   ; Give the computer time to log in and add the printer

;;;;;;;;;;;;; BEGIN PRINTER DEFAULTS LIST ;;;;;;;;;;;;

SELECT

    Case $Room = "HS71"
        SetDefaultPrinter("\\nebsdfs\HS71 - HP LaserJet 4100 Series PCL")

    Case $Room = "HS086"
        SetDefaultPrinter("\\nebsdfs\HS086 - HP LaserJet 4000")

    Case $Room = "ES102"
        SetDefaultPrinter("\\nebsdfs\ES102 - HP LaserJet 4000")

ENDSELECT

;;;;;;;;;;;;;; END PRINTER DEFAULTS LIST ;;;;;;;;;;;;;
</code>
I hope this will help.  Thanks.


Can I debug/deploy my app on Window RT tablet through USB?

Question: I know I can remote debug my winRT app through wifi, but is it possible to debug/deploy app via USB? I'm asking this, since USB would be faster than the wifi alternative.
Answer: This is possible via a USB to USB (Easy transfer cable). The cables just simulate a network connection, so it will work like wifi.
You will need to ensure the drivers are compatible with the arm device, but they should be. This device is made by Microsoft for windows 8 so should work:


Rigid Body bake with 2 Torus explodes

Question: I try to let 2 female symbols falling to the ground, wehre one Ring enclose the other. I have 2 Problems there. The Rigid body bake explode and if i try it with just one symbol it dosnt fall really close to the ground. (The ground is not flat.) I tryied to put the Sensivitiy to 0 but it dont work. Can someone help me?

blend file: https://drive.google.com/file/d/1NXj04Pd9PH_HzRbQ2JvJfyGz77RLeLum/view?usp=sharing
Answer: You need to set the Shape to Mesh if you want the holes to be taken into account, otherwise the objects will repulse each other:

Rigid Body bake with 2 Torus explodes


Is research percent needed at max?

Question: I am in a game where I have maxed out all that I can research. It's already up to future tech 16, and I was basically wondering if I could drop my percentage on research to 0% once I get to future tech, and focus all my attention (budget wise) on the culture instead?  Will this have any negative impact on my game?
Comment: Or, in Beyond the Sword, on [Espionage](http://civilization.wikia.com/wiki/Espionage_(Civ4).
Answer: There is no downside to dropping your science to 0 aside from the obvious- you won't ever research anything. Since Future Tech is pretty lousy (especially once you've got to that level), there really is no reason to keep researching.
Answer: While the accepted solution is correct, it is worth noting that the sliders are based on your commerce so wont change the beakers (science) produced from specialists.
If you plan to have all your beakers produced from scientists and specialists (considered a specialist economy) then the slider percent won't change the specialist research.
If you go this way you can run your science slider at zero and still be getting decent research.

Is research percent needed at max?


Does Form 8938 have to be signed?

Question: Unless I'm blind, I don't see any place on Form 8938 for a signature. As it's submitted with the normal tax return, presumably the signature on the 1040 covers this - correct?
Answer: That is correct. The form is attached as an additional schedule to your tax return (form 1040) and is considered an integral part of it. Your signature on the form 1040 (and the jurat on it) covers also the attached form 8938.

Does Form 8938 have to be signed?


What happens if I stop accepting answers to my questions on Stack Overflow?

Question: Will there be any negative consequences?
Comment: You won't get answers anymore in the long run. (People don't like to answer if their effort is not "acknowledged").
Comment: The real question here is why someone would regularly choose to not accept any answers.
Comment: Belongs on meta.stackoverflow.com
Answer:
Your questions will show a low accept rate.
Some people will notice the somewhat low accept rate and start leaving snarky comments.
Some people will notice the very low accept rate and feel disinclined to answer your questions (especially if they're not very well-written).
Some people will notice the extremely low accept rate, look through your profile, and see that you have a history of asking poor questions and not communicating with answerers/clarifying your question in order to help them resolve your issues "iteratively."

Note: The above does not apply on Meta.
Comment: I think 2, 3, and 4 should all say **some** people.  I really think it's a vocal minority that pays any attention to accept rate.
Comment: I tend to take notice when someone has 5,000 rep, very poorly phrases a question and has an acceptance rate <40%. Usually when I click through to their profile I'm astonished at how someone could actually write 800 questions in about 6 months and only give 6 answers. (based on a true story)
Comment: @Bill: Yes, I assumed that *people* implied *some people*.  I'm not sure if it's a *minority* but it's certainly not *everyone*, nor is it black and white; I, for example, don't tend to care about a 30% accept rate but do tend to take notice when it's 0%, especially if the question looks poorly-written.
Comment: It's worse on meta
Comment: @Downvoter, I think that complaints about low accept rates are just about the only thing I *haven't* seen on meta...
Answer: Ultimately, while the other posters are correct about the consequences of what will happen from the concerned or more attentive users, the fact is that you will likely still get answers to your questions.
On StackOverflow, the people are offering their own free time to help you. The only thing that they are asking in return is the opportunity to get the respect of their peers, and the opportunity to be marked as correct. Only one of those things is in your control, so the most generous and respectful thing to do would be to return the favour they have given you (their time) and return the only thing you have (the power to mark as 'accepted).
That is just basic common decency, these people are doing something nice to you so you should recognize that.
But if you are intent on not recognizing their contributions, there are also negative consequences for you, although they are not direct. StackOverflow will not punish you for not accepting answers. However, the quality of the answers you get will go down. It publicizes your accept rate directly below your reputation, so everyone who reads the question will see the very low number there. (I think it highlights in red). This will cause some of the regulars to simply not answer your questions at all.
But there are lots of people who ignore the accept rate, so you'll probably get answers that are just as good. Hopefully.
Answer: People will notice and tend not to answer your questions.


Can I use ear plugs while ascending or descending a mountain?

Question: Can I use ear plugs to block out noise or will my ears need to pop because of the altitude? I don't want to get sick by using the ear plugs.
Comment: @ivanivan I assume that "at altitude" means "up a high mountain", not "in an aircraft." This is Outdoors, not [travel.se].
Comment: Why on Earth would you want to block out "noise" while mountaineering? You don't want to be bothered by all those noisy eagles calling?
Comment: Sounds like a bad idea.  If you wear earplugs, you you may not hear the sounds of dangers like rock and ice fall.
Comment: I know lots of people who climb with earbuds. Works great for communication when you're trying to warn your climber about the big rock falling towards his head.
Comment: Scuba divers are recommended not to have anything in their ears whilst diving, because of equalisation and pressure, but, you're going the other way so probably no issue!
Comment: I would be wary of having them in while changing pressures (take off/landing) but once at cruise altitude no issues.  Although if you are looking for having quietness on a plane (the white noise of fans, etc. drives me nutz) I'd recommend a slim set muffs instead.  I use a set at the shooting range, very light and comfortable even in Florida heat and humidity, they cancel noise dead, and have room underneath for earbuds to still fit for music :)
Comment: @DavidRicherby - In that case I'll amend my comment - "you need to worry about blocking passages, etc. if pressure changes quickly". For foot powered ascent, no worries.  Really fast down hill on a bicycle or even parachuting (or is that Aviation.se?) MIGHT be fast enough to possibly cause issues.  Still recommend a set of 'letric muffs - they can amplify "quiet" noises and cut off when higher decibel levels are reached.  Listen to the birdies tweet....
Comment: Doesn't ear popping happen between the ear drum and the nose (middle ear) through the Eustachian tube? The space between the ear drum and the ear plug (outer ear) isn't even in the equation.
Comment: my thoughts exactly: what sort of noise might be bothering you up on a mountain? (:
Comment: @OscarBravo I would assume they are hiking in a group where someone appreciates the sound of their own voice more than the sound of nature.
Comment: @aprilrain Noisy crowd. Too many kids. Also, it's hiking, mountaineering in itself might be less crowded. Common to find loud people while hiking.
Comment: @OscarBravo I've heard some real annoying crows when I'm trying to concentrate on building climbing anchors.
Comment: @DavidG25 Conceivably if you perfectly sealed your outer ear you might have a pressure difference form between inner and outer ear... maybe?
Answer: Ear popping is due to the difference in the pressure between the outer and the middle ear. Popping of ear occurs at high altitude to allow for the two pressures to equalize.
Now, there's no correlation between ear popping and altitude sickness in the first place. So, in case you are worried about AMS due to the non-popping of ears, it wont happen. Second, as Sebastiaan has already pointed out, the plugs aren't fully sealed. They wont hold the pressure as you ascend while hiking. Hence, you will have to pop your ears even if you wear your plugs.
In short, the plugs wont harm you.
Comment: +1 I've worn earplugs on airplanes many times and not had a problem.
Comment: @ToddWilcox I agree with the sentiment, though it should be noted that commercial airline cabin pressure matches roughly 6-8000 ft elevation while cruising. I am unsure of what elevation the OP is interested in. Regardless, Ricketyship's answer still holds.
Answer: Earplugs are usually not 100% vacuum sealed. Even if you have custom-made ones that more or less seal (I have 2 pairs) they usually still lose the seal a bit occasionally. Certainly when you swallow, chew, yawn or do something different that moves something in your head. Combined with the extremely slow speed you're ascending or descending (compared to an airplane or car) you really don't have to worry about that.
Comment: Most common custom made ones have a hole (with a sound filter) which allows air to go through. When you have ones that do not allow (enough) air through, you can just wiggle them a tiny bit to break the seal (after which it will re-set.)
Answer: Ear plugs won't help your ear from popping, because they are not build to hold the pressure as you are ascending.
Comment: If they were, and you used them at altitude, you would have a very painful experience due to the pressure on your eardrum.
Comment: You'd *probably* just have to remove them from the pain, which would allow pressure to equalize. So I think even if you wore them during liftoff/landing you'd still just get real uncomfortable and have to take them out.
Answer: The need for your ears to pop results from a pressure differential between the middle ear and the atmosphere. The middle ear is technically outside your body (e.g., the bones in the middle ear and both sides of the ear drum are covered in skin) because it is connected to the outside via the eustachian tube. The eustachian tube is usually closed so the pressure in the middle ear doesn't respond to changes in atmospheric pressure (e.g., due to changes in elevation or altitude). When the eustachian tube opens (for example when you clear your sinuses or chew) the pressure equalizes rapidly and you feel your ears pop.
If the external ear canal is perfectly plugged and then the atmospheric pressure changes there will be a small pocket of air with a different pressure than the middle ear once the eustachian tube open and equalizes the middle ear pressure with the atmospheric pressure. This pressure differential/force between the external ear and middle ear could cause pain and a feeling of fullness like your ears still need to pop. The exact impact will depend on the volume of your middle ear, the volume of the ear trapped behind the plug, and the pressure difference.
When an audiologist performs tympanography, they create an artificial increase in the pressure in the external ear. This is a sizable 10-20 Pa change in pressure, but still less than going from sea level to the top of Everest. The changes in elevation/altitude/pressure encountered while hiking/climbing are small compared to the pressure differences encountered in an unpressurized aircraft (aircraft can climb at well over 1000 ft per minute where as Alex Honnold and Dan Osman can only climb at 100 ft per minute), so if ear plugs are safe in unpressurized airplanes, they should be safe for climbing.
The FAA recommends ear plugs while flying. The military uses foam ear plugs (and sometimes ear plugs and muffs) in unpressurized air craft. The ear plugs do not form an air tight seal so therefore the outside pressure changes should not be a problem. If you experience discomfort like you ear not being able to pop, you can simply remove and then reinsert the plug.
If you are really concerned, or have experienced problems in the past (e.g., while flying), some companies sell plugs designed for flying (there may be other manufactures also and I have no experience with this product or relationship with the manufacturer).
Comment: I thought the question was purely about hiking. Not sure if flying analogy makes sense here (although many seem to have taken it that way)
Comment: @Ricketyship fair enough. I expanded my reasoning and added more information.


lost wallet PLEASE HELP

Question: Back when the article came out about the Silk Road.  I followed the instructions in the article to get into the Silk Road.  I just wanted to see it. I was prompted to buy bitcoin so I purchased a small amount.  I don't do drugs and felt guilty about it being on my desktop so I put it in the trash.  I have a Mac.  6 years later someone emptied my trash.  I wrote down the username and password.  Can anybody help me find my old wallet?
Answer: What do you mean by username and password? Was it the Silk Road username and password? Wallets that are stored locally on your computer are stored with a public key and a private key.
If the username and password that you have is for Silk Road, then your money is not recoverable. This is because they own your private keys on their site and now that they have been shutdown, you won't be able to interact with your wallet.
If you have a username and password not from Silk Road, it is more likely that you had an online wallet which means that it might still be recoverable.
Best of luck!
Answer: You need to know your account's private key or the seed that some wallets provide to recover it. Otherwise, unless you have a backup copy of your wallet.dat file, the amount of bitcoins in that account is lost forever. If you deleted only the wallet app and not its files you could try to see if you still have the wallet.dat file in memory, re-download the wallet and importing such file. It should be protected by a password that you have given

lost wallet PLEASE HELP


Any smart way to get the interest down on our student loans?

Question: Trying to figure this out. I have a student loan $24,000 at 6.55% with Nelnet, and my wife has $48,000 at 5.2% with Mohelo. We have a home worth $220,000 with $40k in equity, and the rest at $180k at 3.9%. Any smart way to get the interest down on the student loans? A HELOC is an option I think, 4% may work. I tried to negotiate with Nelnet for a lower interest but they won't budge. We easily meet the $2k tax deduction between the two of us.
Comment: You have just under 20% equity. I'm not so sure HELOC is an option. Have you asked a bank?
Comment: Guess I didnt put in the exact numbers... we payed 20% at closing 5 months ago so a little more than 20%. Have not spoke with the bank. I guess the other option is to contact my wifes student loan company and see if we can consolidate into one
Comment: Mike - 20% on a 5 month old mortgage means you have a few thousand above 20% at best. mhoran's answer below was on track with some of my other thoughts.
Comment: On top of that, home values have been declining (though they did seem to bottom out last month) so you may have gone backwards on the loan. You'll have to get the home appraised as of when you apply (the bank will actually do that and will then charge you for it in the loan's closing costs)
Answer: There was another question about using a credit card to lower their student loan payments. There are drawbacks that will also apply in your situation regarding a HELOC or 2nd mortgage:

Make sure you understand the interest rate. If it is not fixed you could have made your situation worse.
Monthly Payment. The repayment period of the HELOC or 2nd mortgage will greatly influence the monthly payment.
Closing costs?
There is no going back. If you want to switch back to a student loan you can't.
Can you get a get a loan big enough? You need 72K, with only 40K in equity. Gone are the days where the loans could exceed the houses value at the start of the loan.
Tax implications?
Forgiveness programs. Some employers will forgive parts of the loan, or if you work in public service for X years they forgive some of the loan. They will not view the mortgage  debt the same way.
Comment: Thanks guys. guess I just better head over to a credit Union and see what they can swing. Just upset that  the government is giving banks loans at nearly O and Im at 6.55 for a government style loan.
Comment: You're an average Joe; one vote in millions. The banks can donate millions to campaigns or superPACs and can thus decide who you can even vote for. Dem or Rep, pretty much anyone on the ballot is beholden to someone besides you for getting them into office.


What's a good source to say if a word is masculine or feminine in Sanskrit?

Question: I trying to write a few verses and knowing the gender might change the  meaning. A good source to Sanskrit grammar would also be accepted!
Comment: A good dictionary, Monier-Williams, for example.
Answer: Apte's dictionary (http://dsal.uchicago.edu/dictionaries/apte/) is also a great resource for learning the लिङ्गम् of words. However, the most authoritative source would be a कोषः such as अमरकोषः, मेदिनी etc.
The अमरकोषः has words arranged in categories (for e.g names of Gods, plants, etc.) and is in verse form. Where applicable, the verse also indicates the gender of words. For e.g here's one verse that gives synonyms for the word direction

दिशस्तु ककुभः काष्ठा आशाश्च हरितश्च ताः ।

The word ताः at the end signifies that each of the words in this verse are all in स्त्रीलिङ्गः (feminine) only:
दिशः
ककुभः
काष्ठाः
आशाः
हरितः

Some words appear in all three genders, and these are also marked appropriately by the usage of special words in verses. I've seen ना or पुम् to denote पुँल्लिङ्गः (masculine), क्लिबम् for neuter and स्त्री for feminine.
Here's another example that enumerates synonyms of heaven

सुरलोको द्योदिवौ द्वे स्त्रियां क्लीबे त्रिविष्टपम्

सुरलोकः is obviously in पुँल्लिङ्गः but the next two words (i.e nominal stems) द्यो (प्रथमा-विभक्तिः forms are द्यौः द्यावौ द्यावः)and दिव्(प्रथमा-विभक्तिः forms are द्यौः दिवौ दिवः) are in स्त्रीलिङ्गः Finally त्रिविष्टपम् is in नपुंसकलिङ्गः
There's a commentary on अमरकोषः written by Bhanuji Dikshit and published by Chowkhamba. It contains all verses and a brief commentary to each verse where the derivations of some words is demonstrated with Panini's rules.
Sanskrit grammar is an ocean and takes several years to learn. The best way to get started is to find a teacher/scholar in this subject. If you have some foothold in the basics, you can view recordings of Siddhanta Kaumudi here: http://ggss-lessons.org/ or from youtube https://www.youtube.com/channel/UCp5mvCwXR-drTRyzNUUjdZg/
http://avg-sanskrit.org/ has enough material to keep one busy for a few years - the daily examples show how to use Panini's rules to derive words. Video recordings of select portions of Ramayanam, Raghuvamsam, Introduction to Sanskrit and Panini's rules are also available: https://www.youtube.com/channel/UCYDCfgWlp6dlFr_vVTEVJrQ


Paradoxes in Logic

Question: What is it that makes something a paradox?  It seems to me that paradoxes are just, in many cases, misunderstandings about the properties some object can have and so misunderstandings about definitions.  Is there something I might be missing?  How is this kind of thought handled in logic?
Comment: Paradoxes don't imply misunderstanding of definitions (in this case, it is just error), they imply the need for better definitions. For example Russell's paradox called for a better definition of sets.
Comment: @David Very good point.  Are there some cases in which paradoxes can't be resolved by better definitions?
Comment: @gman You are right. Paradox is more like an aesthetic notion. Whenever you see a statement that *seems* to be false but not clear why it should be false. It could turn out to be true, or false, or the most interesting case: in some logic systems you can construct statements that you can both prove it and prove its negation. But again, it is an aesthetic notion because as soon as you have a paradox of this type, all other statements in the system become paradoxes as well.
Comment: @ABC Thanks, I had considered that but I wasn't ready to commit to it.  That last point is especially interesting.
Comment: @gman That is what occurs with the special case of paradoxes similar to the liar. Those are the most interesting in logic because they say something about the formal system. Paradoxes that can be proven false, or true, are just either a statement with a hidden mistake or not. Antinomies (paradoxes like the Liar), on the other hand, are not just a subjective thing.
Answer: "Paradox" is not a formally defined term. Many modern authors use "paradox" for all sorts of surprising or unexpected results; you can see examples by searching for "paradox" on Google News.
A more substantial use of the word "paradox" refers to a result that shows that a particular naive intuition is not sound. For example, the Banach-Tarski paradox shows that is it not possible to have a measure of volume for arbitrary subsets of Euclidean space, if that measure satisfies certain basic properties such as invariance under rigid motions and finite additivity. This goes against a certain naive thought that every subset of Euclidean space must have a well-defined volume (it might be 0 for strangely defined sets of points, but at least it should be defined, this intuition would say).
The classical paradoxes of logic (also called "antinomies") are somewhat different because they show that our intuition about logic itself is not valid. In particular, these show that the naive ways we talk about "truth" and "sets" in natural language lead to contradictions. An example is Curry's paradox, which shows that the naive way we prove "if/then" statements in normal mathematics can lead to false results when combined with self-referential sentences (even when there is no negation in the sentences).
The thing that makes the classical paradoxes more genuinely paradoxical is that it is hard to see where the problem comes from, or any straightforward way to resolve the issue. Consider the sentence of Curry's paradox

If this sentence is true, then 0 = 1

We can prove this sentence in the usual way: assume the hypothesis "this sentence is true" and prove that the conclusion must follow. That is how we prove many other implications in mathematics. But then, because the sentence is true, its hypothesis is true, so its conclusion must also be true: 0=1.  It is very difficult to find a hidden assumption in this argument as with the Banach-Tarski "paradox".
One resolution in mathematics is to take refuge in formal logic, where the self-reference of the quoted sentence is impossible. But that does not resolve the issue that the sentence seems to be perfectly clear English, and yet applying the usual methods to it leads to a contradiction.
Comment: You say that a "substantial use of the word 'paradox refers to a result that shows that a particular naive intuition is not sound." How much of our *intuition* is due to our usage (habits) of language ? The paradox about self-reference shows that, in order to avoid it, logic must "regiment" our naive language "istinct"; but, as you said : "the issue [is] that the sentence seems to be perfectly clear English".
Answer: Two thoughts to add to Carl Mummert's fine answer. He writes that a serious use of the work of "paradox"

refers to a result that shows that a particular naive intuition is not sound.

Perhaps it is slightly better, as indeed his own examples show, to say that the interesting paradoxes are cases where we have a bunch of naive intuitions, which the paradoxical reasoning shows can't all be true together, even though taken separately the intuitions continue to look quite compelling. This is why the interesting paradoxes (like the Liar Paradox, to take another example) can be so recalcitrant: they seem to show that we have to give up some pre-theoretic intuition, but it can be quite unobvious which one is the best candidate for revision. So we have to start exploring the costs and benefits of different revisions, and in many cases, the complications ramify.
You might be interested, for example, to look at http://plato.stanford.edu/entries/liar-paradox/ to see a discussion of the ramifications of the Liar Paradox; or for another example you could try http://plato.stanford.edu/entries/sorites-paradox/
The same truly excellent on-line encyclopaedia (generally very reliable on logical matters) also has a nice article about the role of various paradoxes in spurring on the development of modern logic: http://plato.stanford.edu/entries/paradoxes-contemporary-logic/
Enjoy!
Answer: You may enjoy W.V.O. Quine's essay "The ways of paradox", which tries to answer many of the same questions.  Quine suggests early on:

May we say in general, then, that a paradox is just any conclusion that at first sounds absurd but that has an argument to sustain it? In the end I think this account stands up pretty well.

This accords well with Carl Mummert's comments elsewhere in this thread that "modern authors use "paradox" for all sorts of surprising or unexpected results" and "'paradox' refers to a result that shows that a particular naive intuition is not sound.".
Note that this definition leaves open the possibilities that the sustaining argument could be correct or incorrect.   In the first case, Quine calls the paradox "veridical", in the second case, "falsidical". ("Typical falsidical paradoxes are the comic misproofs that $2=1$.")
You said:

It seems to me that paradoxes are just, in many cases, misunderstandings about the properties some object can have and so misunderstandings about definitions.

Put that way, it all sounds very simple.  The problem is that the properties can seem very simple, and the misunderstandings can be very deep, and it can be hard to understand how the thing can be mistaken on the one hand and yet so  seemingly simple on the other hand.  Your word "just" waves away the difficulties.   Quine discusses Grelling's paradox in this context.  We say that adjectives can be true of things; for example, the adjective "red" is true of red things, or "polysyllabic" is true of polysyllabic things, and of polysyllabic words in particular.  Grelling asks us to consider the adjective "heterological", which means "not true of itself".  The adjective "red" is heterological, because it is a word, and words have no colors, so the adjective "red" is not red.  But "polysyllabic" is a polysyllabic word and so is not heterological. You can guess the next step: is "heterological" heterological?
On your account, this is "just" a misunderstanding about the properties some object can have.  What is the misunderstanding there?  Is it a misunderstanding when certain adjectives can be said to be true of things? (This is Quine's view.) If so, what is the misunderstanding?  If there is something wrong with "heterological", what is it, exactly, and if you disqualify it it, what prevents you from also disqualifying "polysyllabic" or "red"?
Quine says:

Yet so faithfully does the principle [of an adjective being true of the things it describes] reflect what we mean in calling adjectives true of things that we cannot abandon it without abjuring the very expression 'true of' as pernicious nonsense.

His essay ends:

Of all the ways of paradoxes, perhaps the quaintest is their capacity on occasion to turn out to be so very much less frivolous than they look.

Paradoxes in Logic


Reducing number of constraints in R1CS from an arithmetic circuit

Question: The article Ligero++ (https://dl.acm.org/doi/pdf/10.1145/3372297.3417893) says "The number of constraints in R1CS maps to the number of multiplication gates in arithmetic circuits." But I understand the basic way to map an arithmetic circuit to R1CS will also map additions as constraints as shown in Vitalik Buterin's blog post (https://medium.com/@VitalikButerin/quadratic-arithmetic-programs-from-zero-to-hero-f6d558cea649). Is there a way to map a circuit containing addition and multiplication gates to R1CS such that the number of constraints is the number of multiplication gates?
Answer: @lamba is already aware of this, but I thought I'd add a response for future reference as there is not a lot of resources on this.
R1CS is a language which asks for an input $v$ such that
$$Av\circ Bv = Cv$$
Where $\circ$ is coordinate-wise product, for a given set of matrices $A,B,C$.
Essentially, each row of a R1CS will encode: linear equation * linear equation = linear equation. So this allows for much greater optimisation than naively converting each multiplication and addition into a single row. For instance, suppose you wish to check the following equation holds:
$$ax(by+cz) = dx + ey + fz + g$$
With constants $a,b,c,d,e,f,g$ and inputs $x,y,z$.
If we let $v = (1,x,y,z)^T$, we can represent the equation above in R1CS as follows:
$$A = (0,a,0,0), B=(0,0,b,c), C =(g,d,e,f)$$
So rather than getting a constraint for every addition and multiplication - which would be ~11 constraints, we can do it with just one.
Comment: is there a name for this trick? It's omitted from Ben-Sasson 2013, for instance (specifically, consult Definition E2 from https://eprint.iacr.org/2013/507.pdf).
Comment: I don't think there is any name for this, it's just using the definition of R1CS to optimise the constraints. The definition given is equivalent to R1CS, but expressed as equations. I'm assuming you're talking about the paragraph below the definition. It seems like they are describing a generic reduction from arithmetic circuits to R1CS, but it is possible to do better if you know the circuit as above.


Recover Original Ratio from Two Percent Changes

Question: I have two variables $x$ and $y$ which are measured at two time steps $0$ and $1$. Available to me is the percent change from the first timestep to the second, relative to the first i.e. $\frac{x_1 - x_0}{x_0}$ and $\frac{y_1 - y_0}{y_0}$. I would like to recover the ratio $\frac{x_1}{y_1}$. I've tried adding 1 = $\frac{x_0}{x_0} = \frac{y_0}{y_0}$ to the two percent changes and then dividing them but this only gets me to $\frac{x_1}{y_1} \cdot \frac{y_0}{x_0}$. It seems to me that my problem has 2 equations and 4 unknowns, even though 2 of the unknowns don't appear in the desired ratio, making it have infinite solutions. Is that correct? Otherwise, is there another manipulation I can make to get my desired ratio?
Answer: Yes, you cannot get a unique value for $x_1/y_1$ from the information you have. Suppose $x$ goes up by 10%, from 100 to 110. Then $y$ could go up from 100 to 110 (+10%), or it could instead go up from 1000 to 1100 (also +10%), but these have different values of $x_1/y_1$.
BTW if you tell us what the underlying goal is we might be able to give more insight or suggest alternatives to you. As your question stands this is about all that we can say.
Comment: Thanks. I was able to figure out my end goal, and this was quite helpful.
Comment: Glad to help. It would be nice if you updated your question and tell how you reached your end goal, so that other people who read your post can learn more too.
Answer: As you have hinted at in your question, you are effectively being provided with $\frac{x_1}{x_0}$ and $\frac{y_1}{y_0}$, since you can just add one to the original terms. Let's say $x_1 = 2$, $x_0 = 3$, $y_1 = 4$ and $y_0 = 5$. Now consider $x_1' = 4$, $x_0' = 6$, $y_1' = 4$ and $y_0' = 5$. You will observe that the percent changes haven't changed, but the ratio $\frac{x_1}{y_1}$ has. In other words, there are an infinite number of solutions to the ratio.


D3D11 SkyDome with texture

Question: Has anyone some code about a skydome mesh with a texture and a shader? Or even know how can I create a skydome mesh in Direct3D11? I wanted give an idea from https://ifun01.com/R8CTFZQ.html but it needs the md3 skydome mesh and without a sky texture. So I still think.
Comment: You just need to draw a giant cube around the entire map("round" skies can be implemented doing this).
Answer: CPP alluded to it, but you can do it through a few simple things.
1 - Create a ball or box mesh in a 3d program.  Most offer Wavefront export, there are a few wavefront to direct 3d mesh converters, but you challenge will be to find one.  I found there are more wavefront import libraries around.  If you use a box, you could easily hand craft it in your code (not nice but fairly straightforward, lots of render tutorials around).  Box is definitely the easiest sky mesh to do first.
2 - It's a background, so just turn Z test/write off in Direct X so it will be written over by everything after.
Answer: This is a file containing vertices for a triangulated sphere. You can include it in a shader, and if you call Draw() with a vertex count of 240, and have SV_VERTEXID semantic as an input to the vertex shader, you can index into the ICOSPHERE variable in the shader. This will get you a 3D coordinate which you can use as your skydome mesh vertex positions and cubemap sampling coordinates as well. Like this vertex shader for example:
<code>#include "icosphere.hlsli"

struct VSOut {
    float4 pos : SV_POSITION;
    float3 tex : TEXCOORD0;
};

VSOut main(uint vid : SV_VERTEXID)
{
    VSOut Out;
    Out.pos = mul(float4(ICOSPHERE[vid].xyz, 0), g_xCamera_ViewProjection);
    Out.tex = ICOSPHERE[vid].xyz;
    return Out;
}
</code>
I also like to use this method to draw any simple geometry like light geometries, boxes, etc. This way you don't have to bind a vertex buffer to the shader, the mesh gets compiled into the shader binary as an immediate constant buffer.

D3D11 SkyDome with texture


How to find out from which switch is coming the exact MAC address

Question: I am working on a big company with 2 Backbone routers (ARS9K) and 200+ switches (Cisco, D-link, Tp-Link and etc.).
Lets say that I know an exact MAC address of a device, but I do not know to which of 200 switches is it connected to. Ho can I find it out? Thanks
Comment: https://www.petri.com/identify-connections-network-switch
Answer: If you have administrative access to these switches, then you can login and use the integrated debug tool to track down the port on which the required MAC is seen / from which is coming.
However if you can't login into the switches, you simply can't, from the client alone, tell what switches forwarded the packets. At most, carefully analyzing the RTT times, you can rebuild a (very) vague topology (eg: how many switches forwarded the packets), nothing more.
Comment: @ZaurAliyev you don't need to log into all 200 switches, but only on the relevant ones. Begin with your "nearest" switch, and see (from the MAC table) on which port is the interesting MAC announced. Then log into the other switch connected to that port, and so on. While it is somewhat tedious, it should be doable. Another approach would be to access each switch programmatically (eg: by using a script to read, via SNMP, the MAC table), searching for the interesting MAC.
Comment: I know, and can access the switches to look through it's MAC table. But i do not know which exact switch the exact MAC address (host) is connected to. Can i do it via ASRs?
Comment: `you can login and use the integrated debug tool` - I don't know what that means but why wouldn't you just look at the MAC address table?
Comment: I think no one reads the question fully :). I cannot look at the MAC table, because i do not know to which exact switch the device is connected to... We have 200+ switches..
Comment: @joeqwerty MAC address showing/listing _is_ one of the debug tool I was referring. Moreover, modern switches often have other tool as spanning tree tracking and the likes. Anyway, as each switch vendor use a proprietary syntax (and often inconsistent nomenclature) it is impossible to specify and "universal command" to retrieve the required information.


Should there really be a badge for flagging?

Question: I don't think there should be a badge for flagging a post because it can encourage new users to flag just to get the badge.
Comment: @Pekka Citizen Patrol.
Comment: There is a *badge* for flagging? Since when?
Comment: Also, complaining about being "voted down" is asking for more downvotes...
Comment: It's because you have a flag in addition to two downvotes. See [here](http://meta.stackexchange.com/questions/48165/you-can-deduce-how-many-flags-a-post-has).
Comment: @Pekka *There is!* I didn't know until I flagged this post, but there definitely is...
Comment: @Tyler Really? Didn't know that. What's it named? (Off to flag some other post so this doesn't get deleted :)
Comment: @Tyler Chacha: You flagged my post? :'(
Comment: @Grace yeah, I see now, cheers. @Linuxmint this is Meta, never mind, people like to play around here :)
Comment: @Linuxmint never mind that either. Downvotes have a different role on Meta than on SO: They are used as an expression of disagreement. Anybody disagreeing with your request would downvote
Comment: No more complaints! :P
Comment: I just noticed a "bug". I have gotten 2 upvotes on this post, and  2 downvotes. But the post shows up as "-1". Shouldn't it show up as "0"?
Comment: I'm guessing it's because you asked not to be flagged... see? you have to use reverse psychology here, except in the cases where you don't.
Comment: @Juan Manuel: So if I used reverse psychology then everyone would know that I did and It wouldn't effect them, So I would have to use reverse reverse psychology and that would be normal. But since I am saying this then you would know that I wouldn't use reverse psychology so I should use reverse psychololgy and so on...
Answer: One potential problem with flagging badges is that they are awarded immediately. This can make flagging non anonymous in case you cast your first flag on a post and that flag causes a post to disappear.
This happened to me on Area51, a site with relatively low activity...
Answer: But it could also encourage people to flag when necessary.
I do believe that people flagging just to get the badge get what they deserve (since a moderator will look at the post and see nothing wrong).
Comment: This is phrased in a way that may be misleading, so I will clarify -- Citizen Patrol is only awarded for flagging as spam or offensive. Flagging for moderator attention does not award the badge.
Comment: A successful flag, or any flag?  I think that it should only reward the flaggers that are being useful to moderators.
Answer: Any tool or rule can be misused. I don't think it make this badge useless.


Total energy of neutrons and protons

Question: In a stable nucleus, are the total energies of neutrons and protons same?
Answer: In the nuclear shell model, you can assign "orbitals" to each nucleon analogous to the orbitals assigned to electrons.  Like the electrons, you can promote a nucleon into an empty orbital above the Fermi energy by exciting the nucleus with a photon — a gamma ray rather than a visible photon.
The structure of the energy levels is pretty complicated: much more like the messy electron energy levels in the lanthanides and actinides than the nice neat electron energy levels of the light atoms.
An interesting feature of the nuclear shell model is that there separate energy level spectra for neutrons and for protons.  The energy levels for the protons are slightly further apart than the energy levels for the neutrons, because adding a proton requires overcoming its repulsion with the rest of the nucleus.  For nuclei with $N=Z$ but heavier than calcium-40 or so, the neutron energy spectrum has a vacant level which is below the energy of the final proton.  In this case the nucleus has a non-electromagnetic way to relax to a lower-energy state: one of those last few protons can transform into a neutron and move from the (high) proton Fermi level to the (lower) neutron Fermi level.  This is positron decay, which occurs in proton-rich nuclei.
Similarly, you get beta decay from neutron-rich nuclei, when there is an available proton energy level which is below the energy of one of the last neutrons.
I'm having trouble finding a diagram that shows quite what I want it to, and I don't have time to make one.
Here's a schematic energy level diagram showing the effect of the proton's Coulomb repulsion, not really to scale
(source):

Let's use these energy level diagrams to figure out the properties of a nucleus with mass 12.
For boron-12 ($Z=5,A=7$), both diagrams suggest that energy can be released by beta decay to carbon-12; accounting for Coulomb repulsion reduces the energy available in the decay.
For nitrogen-12 ($Z=7,A=5$), both diagrams suggest that energy can be released by positron decay to carbon=12, but the the Coulomb repulsion increases the energy available in the decay.  That predicts that nitrogen decay should be faster than boron decay, which is in fact the case (10 ms vs. 20 ms).  Similarly the decay of fluorine-16 to oxygen is much faster than the decay of nitrogen-16 to oxygen.
Comment: Does this indicate that the protons are more tightly bound and kinetic energy of protons is lower than  that of neutrons (due to the Coulomb repulsion), or in other words, it is easier for neutrons to be emitted than protons? What could be said about the total energy (kinetic+nuclear+coulomb) for protons and neutrons in a nucleus; are they the same?
Comment: I've added a diagram. I'm not sure that partitioning the total energy into kinetic, nuclear, and coulomb really makes sense.

Total energy of neutrons and protons


Constructions of PRF (Pseudo Random Function)

Question: I was taught only GGM based PRF construction in class. It's very inefficient. I am just curious about various PRF constructions from standard assumptions. Please provide a few PRF constructions from various assumptions.
Comment: Well, one standard assumption is that the SHA-256 compression function is a PRF, from which we can conclude that HMAC-SHA256 is a PRF (and a reasonably efficient one at that), but maybe you meant to restrict the domain of 'standard assumptions'?
Answer: The most common efficient PRFs from specific assumptions are:
The Naor-Reingold PRF, which is based on the decision Diffie-Hellman assumption (DDH), and
The BPR PRF, which is based on the learning with error assumption (LWE).
Perhaps slightly less well-known is the NRR PRF, which is based on the hardness of factoring.


view tabs in eclipse

Question: I need to view the tabs and spaces and CRLF in python source code in eclipse the same way we could see them in notepad++, Now I have to edit in notepad++ and run in eclipse. Not a neat way but eclipse does regular update of the changes of same file in other editor.
Comment: Just added an extended answer addressing the "space instead of tabs" issue
Answer: This should be cover with the "Show invisible" option

From Eclipse3.3:

It is now possible to see the invisible whitespace characters in textual editors:
This feature can either be controlled via "General > Editors > Text Editors > Show whitespace characters" preference, or via the tool bar button when the Editor Presentation action set is enabled.

I did not tried it with PyDev, but its editor should be a "textual editor", and the option should work.

when I press TAB it creates spaces instead of >> for tabs

Check the option "General > Editors > Text Editors > Insert spaces for tabs":
if unchecked, it will display tabs, not space.
Comment: if you have pydev you must also update pydev -> Editor "Replace tabs with spaces when typing"
Comment: wonderful, it does,thank you,  but when i press TAB it creates spaces instead of >> for tabs

view tabs in eclipse


When a person brings much good to people, but they reject it?

Question: Is there an archetypal myth in which a person does something really good to humanity, but contrary to common sense that says that he should be thanked and praised, he's attacked by those whom he helped instead? There's a lot of situations like that, when people simply don't want something really good, because well they are people. Like Nietzsche and his Zarathustra, who came down to people and started talking to them but instead they were saying he's a fool.
Comment: for any myths that tell a story of how common people reject someone who tried to benefit them. e.g., if prometheus was punished not by zeus, but betrayed by people themselves
Comment: Hi and welcome to mythology and folklore! I'm not quite sure what you are asking. Could you clarify?
Comment: I totally recall this subject matter, however it was so long ago I would not be able to answer this.
Answer: The story of Jesus Christ. Came to save the world, but the same people killed him
Comment: yeah exactly people could have chosen between him and murderer Barabbas to be released bu they "followed the advice of the elders"? and didn't choose him. although i feel like quite a lot of people were pro-jesus, but it's the elders and the roman empire which he was undermining that resulted in his crucifixion. but yea, "lord forgive them for they don't knoweth what they're doing". thx for contribution, and i'm looking for myths in other cultures that can reflect this.
Answer: Looking over the Motif-Index of Folk-Literature and Aarne–Thompson–Uther (ATU) Index, I couldn't find anything quite like you're describing.  The closest thing I could find is ATU Type 160, "The Grateful Animals and the Ungrateful Man", but it's not a close fit. To summarize, in this type of folk tale, a man rescues another man and several animals from a life-threatening situation. The animals repay his kindness, and he prospers, becoming wealthy and popular. The man who had been rescued, however, frames his rescuer for a crime he hadn't committed. The village turns against the innocent man. He is sentenced to death, but is saved by devising a ploy with one of the animals to do something helpful for the village to get back on the people's good graces.  He is able to return to his normal life.
So, again, this only vaguely resembles your criteria: a) he aids one person (but only one) who shows no gratitude in return, and b) his people do reject him, but then come to accept him because he ostensibly does something to help them.
Additionally, there is ATU Type 155, "Ingratitude Is the World's Reward." These stories don't have the precise elements you're looking for, either, but they do contain themes of ungratefulness.


preventing hands going through floor

Question: I'm really hoping someone can help - been stuck for months now. I'm completely new to blender and animation in general. I've managed to find a pre-rigged model online - I want to create an exercise animation using the model - while the feet dont go through the floor when animating; the hands do for example when trying to create a push up animation. Is there anyway to get round this? I am completely new to all of this so any help with simple instructions would be much appreciated. I would have attached the blender file - but dont think you can on here.
Comment: you can use https://pasteall.org/blend/ if you want to upload a blend file
Answer: Blend file below...

A lot may depend on how your rig is set up but placing Empties as 'ik targets', (not pole targets) at limb extremities does lend itself to this sort of thing quite well. By that I mean hand and foot targets as against lower arm and leg.  The hand targets are simply placed on the floor, the feet versions placed where they're needed.

For push-ups, some upper-arm Quatemion adjustments (pose mode) will likely be necessary due to extreme bending at the joints.
The character's origin point needs to be set at the feet so the armature can be rotated from there -
Once the first push-up is done, it's a simple matter of either duplication in the Dopesheet or cycling the action.
A "Nav"(igation) handle, an Empty would also be placed at the OP and the armature and targets parented to that.  This would hold it all together and provide a 'handle' with which to drag the whole thing about -
Answer: While I am no expert, it strikes me that when posing a rigged character you are completely in control of where things are placed.  Perhaps I am a little confused about your problem.  I am pretty sure you are able to post a blend file of at least a link to it.
Comment: thanks Mark. What i mean is for example, if the model is standing up - and you move the middle part of the body downwards - the feet stay where they are and the model squats down as the legs bend. However if say the model is in a plank position - and you move the middle part of the body down towards the mat - the hands go through the mat (floor) - essentially I want the arms to bend automatically (like the legs) when you move the model down. Its quite hard to explain - I'm hoping this is a bit clearer. I cant see anywhere to add the file - but will look more.
Comment: This may sound silly but when the hands go through the floor, you should be able to move the hands only back up to where you want them.  Then you press i to keyframe that position.

preventing hands going through floor


brew install gcc48 fails on os10.9

Question: I tried to install the gcc on brew and it fails. I am tring to find the configure dir...
ohad@Macintosh-2:/Volumes/fiverr_dev$ brew install gcc48
Warning: You seem to have osx-gcc-installer installed.
Homebrew doesn't support osx-gcc-installer. It causes many builds to fail and
is an unlicensed distribution of really old Xcode files.
Please run `xcode-select --install` to install the CLT.
Warning: You have an outdated version of /usr/bin/install_name_tool installed.
This will cause binary package installations to fail.
This can happen if you install osx-gcc-installer or RailsInstaller.
To restore it, you must reinstall OS X or restore the binary from
the OS packages.
==> Downloading http://ftpmirror.gnu.org/gcc/gcc-4.8.3/gcc-4.8.3.tar.bz2
Already downloaded: /Library/Caches/Homebrew/gcc48-4.8.3.tar.bz2
==> ../configure --build=x86_64-apple-darwin13.3.0 --prefix=/usr/local/Cellar/gcc48/4.8.3 --enable-languages=c,c++,objc,obj-c++ --program-suffix=-4.8 --with-gmp=/usr/local/opt/
==> make bootstrap
^@^@^@^@^@^@configure: error: cannot compute suffix of object files: cannot compile
See `config.log' for more details.
make[2]: *** [configure-stage1-target-libgcc] Error 1
make[1]: *** [stage1-bubble] Error 2
make: *** [bootstrap] Error 2

Answer: Replace /usr/bin/install_name_tool with the file linked in this article and then run xcode-select --install. Finally open XCode to accept the license.

brew install gcc48 fails on os10.9


Issues with some URL's in Multistore Child Store

Question: I have a store, mydomain.com, with a top-level category called Shop accessible via mydomain.com/shop.
Its child store, which we'll call "new", is at new-mydomain.com. This sub-store also has its own top-level category called "Shop" which I'd like to be accessible via new-mydomain.com/shop. In the "new" store view, "shop" has been set as the URL key, but even after all cache clears/reindexes/url regeneration/etc I can only access the category via the longform <code>/catalog/category/view/s/shop-by-category/id/528/</code>
Any ideas? Though the URL key is entered as "shop", when I save the category without altering it in any way I receive a

Something went wrong while saving the category

error, so I'm thinking that could be a clue.
Any thoughts on how to fix this or what to look into would be greatly appreciated!
Answer: I had to go into the database and delete the rewrites for Shop in the url_rewrite table (they weren't showing up in the rewrite UI). Once they were deleted, I created rewrites for them via the UI by scoping the store view and setting the target path for the actual category URL.
Still receiving "Something went wrong while saving the category" error, but it seems unrelated.


update manager failed, use previous version to recover

Question: I have an old hardware x86 PC running 12.04.5. I had been ignoring the Update Manager and using the CLI for updates till recently when I decided to use Update Manager, BIG MISTAKE!!!! It hung my system and when I was able to reboot I had lost WiFi, all my printer setups, and more. Recovery mode did not help. I tried loading a driver for a Realtek 8192 dongle but the shell failed because the Manager had left the Modules incompatible with installed Essentials and Headers. I have been booting to the "Previous Version" from GRUB 2 (which has internet access). I want to remove the updated version from my system since I have no trust in what the Manager did. I would like to install the newer kernel and keep the presently working version as backup.
Currently:
kernel 3.2.0-126-generic-pae is GRUB 0,  which is the bad version, no internet etc
kernel 3.2-0-98-generic-pae is GRUB 2  which I can boot into to get internet access.
Windows XP Professional is GRUB 5 which I need for the SCSI access, not an issue here
lsb_release -a          yields the following
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 12.04.5 LTS
Release:    12.04
Codename:   precise
gnome-system-monitor:       yields the following
Release 12.04 (precise) 32-bit
Kernel Linux 3.2.0-23-generic-pae
GNOME 3.4.2
Hardware: (32 bit) Intel Pentium 4 CPU 3 GHz x 2,  1 GB memory
dpkg -l | grep linux-image  yields the following
ii  linux-image-3.2.0-126-generic-pae      3.2.0-126.169       Linux
kernel image for version 3.2.0 on 32 bit x86 SMP
ii  linux-image-3.2.0-23-generic-pae       3.2.0-23.36         Linux
kernel image for version 3.2.0 on 64 bit x86 SMP
ii  linux-image-generic-pae                22.214.171.124.25         Generic Linux kernel image
I am not sure how the x86 versus the 64bit issue is affecting me. I only want a working system that can be updated to a known state. I would like to clean up the 3.2.0-126 so it can boot and not lose wifi. ("sudo apt-get update"  did not do the job)
Any suggestions would be welcome.
(P.S) The old hardware has PCI cards for SCSI scanner access so I want to keep it but I tried 14.04 LTS once and it had graphics issues. Not my only PC so old versions of Ubuntu are fine.
Comment: Ubuntu 12.04LTS is past EOL (may-2017) and is thus off-topic.  The only 12.04 still supported (by Canonical) is Ubuntu 12.04ESM which is not supported here; if you're using 12.04.5 ESM use the phone/email support.
Comment: As noted, Ubuntu 12.04 is EOL. I'd recommend backing up user files and reinstalling a fresh copy of Ubuntu on your machine (you'd probably get better support overall for your hardware issues as well).
Answer: SOLVED the problem. I gave up and reinstalled 12.04 from CD. (By the way, how does one edit a post? I could find no links for editing anywhere on the site.) After posting "Solved" finally noticed the almost greyed out "edit" link.


How is Google Smart Lock different from the previous password management mechanism in Chrome?

Question: I am seeing a lot of hype about Smart Lock from Google. How does it differ?
Answer: One of the aspects of Smart Lock is the ability to have trusted devices.  For example, you can set your smartwatch as a trusted device for your phone, and then as long as the watch is within range, you don't need to enter a pin on your phone.  Seems a bit risky to me, so I don't use this functionality.
Other than that, it's pretty similar.  It can work with other apps as well as the Chrome browser though as well.  Not quite sure how this works, but it does say "certain mobile apps", so probably not in a very generic way.


Is it ok to cook pork for others?

Question: Assalamu alaikum. I am a muslim and i am an aspiring chef,my question is that ,is it ok to cook pork for others if ones profession demands it . Pls help me with this and jazakallah khair
Comment: Please Google your question before asking. [Your question is answered here](https://www.quora.com/Should-I-cook-pork-if-my-profession-demands-it-if-I-am-a-Chef-and-also-a-Muslim)
Answer: Yes , in order to make a living for yourself you can serve pork. As long as your not serving to your own children and feeding them . As minors they are your accountability . Yourself eating is also something you will be held accountable for. Serving to Muslims under deceiving circumstances will be something wrong. If you are serving to people (non Muslim ) who ask you while your working for them , your not accountable for their actions . Your simply a facilitator to a choice that they make.
Allah allows us to even consume swine if there is no choice but you should always choose the halal way of circumstances allow it .
I'm in a country where there is no access to halal food , very few places serve it. So I choose to stay in the guidelines . I eat fish or vegan or salads. If your circumstances allow it , always choose the halal way to have more content heart and life.
May Allah bless you

Is it ok to cook pork for others?


Unable to patch DefaultExternalUserBuilder in Sitecore 10.1.2

Question: Our team is using Sitecore 10.1.2 with local environment hosted on developer machines, and deployed environments with K8s and Docker with Coveo serving all of those environments. Only in our deployed environments we are using federated authentication with Azure Active Directory but still using Sitecore's DefaultExternalUserBuilder. Attached is our showconfig.aspx, after I am attempting to patch the externalUserBuilder to use my assembly that I've created. As you can see, my patch is not showing up in the externalUserBuilder section and still shows that is using Sitecore's default.  If I am reading this correctly, it appears that Coveo is being patched in using the default Sitecore user builder.
My patch config is also attached.
From what I understand is that the Coveo config is patched in by http request which may be configured to use the Sitecore default builder. If that is a correct assumption. Would anyone know how to get around that to use my CustomExternalUserBuilder?
Comment: Rename, move your config so it is patched after the Coveo one.
Comment: Would be great to see how that config node is seen in showconfig.aspx and I agree with @MarkGibbons comment
Comment: So, I've renamed the file to append ZZZ to the beginning and still no change. I've tripled checked the namespace of the cs file and the reference to it in the patch config. I've also went to the Coveo control panel within the Sitecore CM instance and it shows a list of Coveo config files that are being applied. I feel like I am moving in the wrong direction as it seems odd that Sitecore builds an extensible product that can't be extended if using Coveo. Ill see if I can get that config from the showconfig.aspx and post it
Comment: No information of how the `Coveo.Authentication.config` is being applied. It is only showing 3 other references that it is patching. Similar to the image I posted.
Answer: You should make sure that your config patch is applied after the Coveo config patch. You can create a folder with the name "ZZZ" move your config patch file inside this so that your config patch files will be applied at the end as per the alphabetical order.
Thanks
Answer: Sitecore applies config in the order defined in layers.config.
The default order is:

sitecore (i.e. App_Config/Sitecore)
modules (i.e. App_Config/Modules)
custom (i.e. App_Config/Includes)
environment (i.e. App_Config/Environment)

Based on the comments above, it sounds like you have tried manipulating the naming of your config file to be applied last (alphabetically) in the custom area.
If you have done this correctly and it has had no effect and layers.conig has not been customised. Then the only other possibility is that environment based configuration is overriding your attempts to patch the DefaultExternalUserBuilder.
Please check the App_Config/Environment folder to see if the Coveo file is present. If so and it need to remain, then you should be able to over ride by placing your file in the environment specific folder (ensuring its name begins later in alphabet - I.e. Z.yourfile.config).
Further information on configuration layers:
https://doc.sitecore.com/xp/en/developers/103/platform-administration-and-architecture/configuration-layers.html


Can "whatever" be split into two words?

Question: I tend to write, "say whatever they want", but I'm always tempted to write "say what ever they want". Is it acceptable to split the word in this context?
Answer: No it is not acceptable to split the word in your context:

say whatever they want

Here, whatever is a relative pronoun and it is always written as one word. The only instance where one will find what ever is in the interrogative. For example:

What ever does he want?
What ever does she do besides complain?

In these cases, ever (an adverb) modifies the pronoun what and, as such, it cannot and should not be compounded with what.
However, one could also have whatever as an interrogative pronoun:

Whatever's wrong with you?

And, finally, whatever, as an adjective, can be used in the following manner:

Run whatever distance you can.
I'll take whatever solution you've got.
Comment: +1 Good explanation. Note that "what ever does he want?" and "whatever's wrong with you?" are not exactly standard usage, but rather informal or affected.
Comment: @Cerberus: totally agree
Answer: At first glance, "what ever" looks weird in this context, because I parse it with the "ever" referring to "want", as just another, less stilted way of writing "what they ever (i.e., always) want".
The "ever" in "whatever" serves more for emphasis than for its literal meaning. For example, "what you want" refers to a single, definite thing, while "whatever you want" refers to a thing chosen from any number of indefinite things. "Whatever" implies uncertainty or arbitrariness, and thus cannot really ever be replaced with "what ever".
But constructions such as this with "what ever" in place of "whatever" are so archaic and peculiar that I imagine few people, upon seeing the former, would assume that it meant anything other than the latter.
So you can say whatever you want.
Answer: The answer seems clear.  But I always have a tendency to want to split it up when I ask

What ever happened to X?

Or

I wonder what ever happened to her.

Can "whatever" be split into two words?


How was Phoebe a benefactor?

Question: In Romans 16:1-2, Paul notes that Phoebe had been a benefactor of many people including Paul. What does benefactor mean in this passage; is it a financial benefactor or did she offer help of another kind?
Answer:
Romans 16:1-2 (NIV): I commend to you our sister Phoebe, a deacon of the church in Cenchreae. I ask you to receive her in the Lord in a way worthy of his people and to give her any help she may need from you, for she has been the benefactor of many people, including me.

The word προστάτις. translated here  as 'benefactor', means a female patron.
Strong's Concordance adds to this: "a female guardian, protectress, patroness, caring for the affairs of others and aiding them with her resources."
Paul tells us no more than than what we see here, but the context shows that Paul was saying more than that Phoebe was a patron of the church, but that many individuals owed her a debt of gratitude, including Paul himself. Elsewhere Paul was proud to remind his followers that he did not take their money, but Phoebe may have helped Christian travellers with accommodation or assisted in smoothing things over between the Christians and the Roman authorities.
Answer: PROBLEM: "she has been the benefactor of many people, including me."  Does not say anything about being a patron of the church.  Apart from that, throughout Paul's writings and in Acts we see that there are, at times, groups of women (Sometimes Greek) were benefactors and supporters of missions.
Next, I would suggest a better source for the meaning of Greek words 0ther than Strong's Concordance.
Answer: The most likely answer is that she was a benefactor both financially and in kind. She is described as a 'deacon', so was obviously part of the leadership of the church of Cenchreae in some way. Cranfield (International Critical Commentary) says she may possibly have been the (only) deacon of the church.
Paul asks the Romans to receive and help her, which means that she was the messenger entrusted with this important letter. That doesn't mean that she simply delivered it, but that she was also tasked with reading out to the church, and to explaining/answering questions about it if necessary. That she was willing and able to make the journey shows another way that she was able to be a benefactor - and also rather implies that she was of sufficient status and had sufficient finances to be able to take the trip.
Cranfield concludes that all this implies:

that Phoebe was possessed of some social position, wealth and independence.

How was Phoebe a benefactor?


How to draw arrows on curves in Metapost

Question: I need to draw the following graphs using Metapost. How to draw the arrows on curves? Thank you very much.
Comment: What have you tried so far? Please add some example code to your question, e.g., code to draw the curves without arrows or code to draw arrows without curves. Also: is MetaPost strictly required? This can be done with packages like `tikz` or `pstricks` as well.
Comment: use `drawarrow` in combination with `cutbefore` and `cutafter`
Comment: Make your curves as named variables (type path), draw them, the use drawarrow + subpath to draw a shorter version of a given path on top if the original path, with an arrow at the end of the subpath. This data type path and subpath are one of the things I really miss in tikz.
Answer: Metafun provides a macro arrowheadonpath to draw an arrow at any time on the path. Here is an example in ConTeXt which shows how the arrow looks like for all three arrow head variants provided in context:
\startMPpage[offset=1mm]
  save p; path p;

  p := (1cm, 1cm) {up} .. {down} (0,0);

  ahvariant := 0;
  draw p ;
  fill arrowheadonpath(p, 0.125);

  p := p shifted (1cm,0);

  ahvariant := 1;
  draw p ;
  fill arrowheadonpath(p, 0.125);

  p := p shifted (1cm,0);

  ahvariant := 2;
  draw p ;
  fill arrowheadonpath(p, 0.125);
\stopMPpage

which gives
Answer: You can do this with plain Metapost as well.
prologues := 3;
outputtemplate := "%j%c.eps";

vardef open_arrowhead expr p =
  save q,e; path q; pair e;
  e = point length p of p;
  q = gobble(p shifted -e cutafter makepath(pencircle scaled 2ahlength))
    cuttings;
  (q rotated .5ahangle & reverse q rotated -.5ahangle)  shifted e
enddef;

vardef draw_open_arrow expr p =
    draw p;
    draw open_arrowhead p;
enddef;

beginfig(1);
    path arc[];

    arc0 = 100 right .. 20 down {left} .. 100 left;

    arc1 = arc0 shifted 20 down rotated -10;
    arc2 = reverse arc0 shifted 20 down rotated 230;
    arc3 = reverse arc0 shifted 20 up reflectedabout(left, right) rotated 110;

    numeric t[], u[];
    (t1, t3) = arc1 intersectiontimes arc3;
    (u1, u2) = arc1 intersectiontimes arc2;
    (t2, u3) = arc2 intersectiontimes arc3;

    % def drawarrow = draw_open_arrow enddef;
    ahangle := 30;
    forsuffixes $=1,2,3:
        drawarrow subpath 1/2 ( 0,    t$)    of arc$;
        drawarrow subpath 1/2 (t$,    t$+u$) of arc$;
        drawarrow subpath 1/2 (t$+u$, u$+2)  of arc$;
        draw      subpath 1/2 (u$+2,  4)     of arc$;
    endfor

endfig;
end

Compile this program with mpost to get the following EPS figure:

Here I've used the default arrow heads with ahangle reduced from the default of 45 to 30, which makes them look a bit nicer in the middle of a line.
But if you prefer the open arrow heads in your sketch then uncomment the line
def drawarrow = draw_open_arrow enddef;

and make the arrow head angle a bit larger:
ahangle := 60;

These changes produce this figure:


Why are a few things in our universe named after chocolate?

Question: Like the title says, why are a few things in our universe named after chocolate?
For example, there are the Milky Way, galaxy and Mars.
Is there a reason for this or not? Or is it that the chocolates were named after them?
Comment: The latter (of course), unless you think the Romans were eating Mars bars...
Comment: I'm voting to close this question as off-topic because it is not a real question
Comment: True! Didn't think of that!
Comment: @RoryAlsop I see what you mean and since I cant delete it my self (due to there being answers) I have flagged it off topic too.
Answer: None of these things were named after chocolate.
Milky Way
The name comes from a Greek myth, at the end of which Hera - Zeus' wife - spills her breast milk. In places where the sky has not been affected by light pollution, the Milky Way looks like a milky-white streak. Hence the name.
The chocolate of the same name was introduced in 1923. Apparently, it was not named after our home galaxy, but after a milk shake of a similar name.
Galaxy
The Greek word γαλαξίας (galaxias) is closely tied to the Milky Way (because, for a long, long time, other galaxies were considered nebulae - "island universes"). It's English translation is "milky one" - a nod to the same Greek myth.
The chocolate of the same name was introduced in 1960.
Mars
Mars was a Roman god, not a Greek one (his Greek equivalent is Ares, I think). The name dates back for millennia - indeed, the Greeks associated Ares with the planet.
The chocolate of the same name was introduced in 1932.
Comment: The Greek equivalent for Mars is indeed Arès, hence the name of the two Mars' satellites. Phobos and Deimos were the two horses of Arès ;)
Comment: Both of Mars's moons Phobos and Deimos were discovered in 1877 by American astronomer Asaph Hall, so they were named much later than Mars itself.


Is it possible to sync any other folder without desktop, documents, pictures on onedrive?

Question: I am using windows 10 as my operating system. I have a microsoft account which is added to this pc. Only desktop, documents and pictures folder can sync with onedrive. How can I sync other folders with onedrive? Please help me.
Comment: Please move folders you want to sync into "%Userprofile%\Onedrive", and move out the folders you do not want to sync.
Answer: Usually I was not a fan of the userprofile folders, when I used windows 7 in the past. But now Microsoft has OneDrive and it keeps a sync between user profile folders and cloud. So I love them now. It is possible to sync more folders there.
A symbolic link can be created between the folder and one drive destination. First open command prompt, then run the command mklink /j "%Userprofile%\Onedrive\Destination Folder name" "Full path of source folder". Now whenever you will create folders in source will be also synced in one drive when you connect to the internet. Hope that helps
Answer: Generally, yes.  Move the documents in the One Drive folder that you do not want sync'd to another, different folder.  Leave the documents you do want sync'd in the One Drive folder.
Move other folders you do want sync'c into the One Drive main folder.
It may help your thinking to give One Drive folder different names so you can distinguish.
I have different folders in my One Drive "Library" than in my Documents "Library"  .
I use both Drop Box and One Drive and the ideas above service me well.


Do Owlbears hibernate?

Question: Do Owlbears hibernate like bears or stay active all winter like owls? Even the full page description of Owlbears in the AD&D 2nd Edition Monstrous Manual is silent on this topic. I don't have back issues of Dragon Magazine available so I'm unsure if hibernation was ever discussed. The campaign I run is set in the Dalelands in the 1350s DR, a temperate climate for wild Owlbears, with plentiful caves, and ruins.
Comment: I've rolled back your edit as adding that in invalidates the answers below. You've asked for evidence on hibernation and it's been given.
Answer: Yes, they hibernate
There are two sources for this, one is the 2nd Edition sourcebook Monstrous Manual, which has this on the ecology of the owlbear:

Ecology: Owlbears have a lifespan of 20 years. They are warm-blooded mammals, but lay eggs. They prey on anything, from rabbits to bears, to trolls, to snakes and reptiles. Owlbears prefer temperate climates, but some thrive in subarctic environments. As a hybrid of two animals, one diurnal and the other nocturnal, they have an unusual active time, waking at noon, hunting animals active during the day, then hunting nocturnal creatures before going to sleep at midnight. Owlbears are active in the summer months and hibernate during the cold season. There are rumors of white arctic owlbears, a cross between arctic owls and polar bears, but no specimens have ever been captured.

This is also somewhat corroborated by a (non official) tweet from Chris Perkins:

Whatever works for your world. Personally, I dig that they hunt at night like owls and hibernate like bears.

So, essentially the last part of what he said. You can go with official past lore and have them hibernate, or not hibernate, or any variant in between. If you do decide they hibernate, there are past publications to back up that stance.
Comment: This also shows that the D&D designers believe that bears hibernate. So in their world, the normal bear hibernates, as does the owlbear.
Answer: Owlbears do hibernate
According to the AD&D 2nd edition Monstrous Compendium Volume One:

Owlbears are active in the summer months and hibernate during the cold season.
Answer: Bears do not hibernate
I'm not aware of any D&D publication with a canonical answer, but modern science suggest that bears don't actually hibernate . While they may be less active, and "den up" during the winter they are still frequently active, and wake up easily. In some cases (especially Black Bears) they may enter a torpor like state. While this is fairly distinct from the kind of hibernation exhibited by most smaller mammals, only so much can be inferred about how a magical monstrosity will behave based on the creatures combined to create it. To some extent whether this is "hibernation" or not would be a matter of semantics.
It's your game, do what makes sense for your Narrative
So on the one hand it's an easy assumption that Owlbears are active (or at least semi-active) year round. However the flip side, being monstrous creatures of uncertain origin, you have fairly free reign as DM to decide this sort of information about their biology. Based on their description it's not unreasonable to have them hibernate for a month after every large kill. Or for the week after Selune is full.
Comment: OK, if bears do not hibernate, what else do I have wrong? Do they still poop in the woods, or has that been taken from them as well? 8^o  And darn it, Pluto is both a Disney dog and a planet!  Arrgghh!  *Korvin is dragged away kicking and screaming as the medic stabs a needle into his arm, administering a sedative*
Comment: @NautArch Maybe it's a Frame Challenge, but I feel like it does answer the question. The question is predicated on the myth that bears hibernate. We know owls don't. Since we now know bears don't either, unless someone can cite an in universe source that says Owlbears do hibernate, it's a pretty sound logical inference.
Comment: This 2011 study suggests that Black Bears at least do hibernate: https://www.semanticscholar.org/paper/Hibernation-in-black-bears%3A-independence-of-from-T%C3%B8ien-Blake/8ddc6f0b273575e2dab45df2650565f07dcecd07 (can find many other recent studies referring to hibernating bears), so I think saying "science suggests they don't" is saying too much) although I still think whether or not real bears do or don't hibernate is kind of tangential to whether or not nightmare amalgations that are vaguely bear shaped do.
Comment: @Cubic And that *torpor* may be similar enough to the public conception of hibernation to be functionally identical.
Comment: While interesting regarding real bears, this doesn't seem to answer the question.
Comment: @KorvinStarmast - I must admit, I didn't expect that.
Comment: please don't roleplay in the comments, it's really cringey
Comment: @KorvinStarmast - Actually, Pluto (the celestial body not the dog) was downgraded, and is now a dwarf planet and not considered one of the planets of the solar system.
Comment: @JohnP Heretic!  *Cardinal Fang, bring on the Comfy Chair!*
Comment: @JohnP I think they should have administered a bit more sedative to me ...

Do Owlbears hibernate?


Central Admin UI no longer working at all

Question: I have sharePoint 2010 installed in a dev environment.  I am a developer who is reasonably new to SP.
All of a sudden central admin no longer works up until yesterday I was getting there using:
http://dev-sharepoint.dev.local:9999/

When I browse here now I am faced with this:

HTTP/1.1 200 OK Server: Microsoft-IIS/7.5 Date: Wed, 18 Sep 2013
  04:03:29 GMT Connection: close

There is nothing in the ULS logs at all.  I have spent the last few hours researching however without a clear ULS log entry or a clear browser error I am a bit stuck.  here is what I have done:

run the product configuration wizard.  note - I did not disconnect from the server farm and I said no this machine will continue to host the web site.  It goes through 9 of 9 steps with success and then open a browser at this URL:
..._admin/adminconfigintro.aspx?scenarioid=adminconfig& welcomestringid=farmconfigurationwizard_welcome
but shows this:

Object reference not set to an instance of an object.  Troubleshoot
  issues with Microsoft SharePoint Foundation.  Correlation ID:
  b473c2e3-8b67-4a84-a2d0-ac374b2bbd69  Date and Time: 9/18/2013 2:40:45
  PM

when I go into ULS viewer and look at the correlationtree it show this:

System.NullReferenceException: Object reference not set to an instance
  of an object.     at Microsoft.SharePoint.WebControls.SPRibbon..ctor()
  at ASP._admin_admin_master._BuildControl_control30()      at
  ASP._admin_admin_master._BuildControl_control21()      at
  ASP._admin_admin_master._BuildControl_control2()      at
  ASP._admin_admin_master.__BuildControlTree(_admin_admin_master __ctrl)
  at System.Web.UI.MasterPage.CreateMaster(TemplateControl owner,
  HttpContext context, VirtualPath masterPageFile, IDictionary
  contentTemplateCollection)      at System.Web.UI.Page.get_Master()
  at System.Web.UI.Page.ApplyMasterPage()      at
  System.Web.UI.Page.PerformPreInit()      at
  System.Web.UI.Page.ProcessRequestMain(Boolean
  includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Next I  read about provisioning so I ran this:
psconfig.exe -cmd adminvs -unprovision

and then this:
psconfig.exe -cmd adminvs provision -port 8888 -windowsauthprovider onlyusentlm

All three steps for both commands ran with success

But I still have no central admin.  I ran the product configuration wizard again after the re-provisioning however I get the same result.  I have no idea what to do, Help...
The only major thing I did yesterday was to delete two web applications.  They were both failed attempts at configuring mySite.  I am unsure what I did wrong.  I followed these steps  [http://sharepointgeorge.com/2010/configuring-my-site-sharepoint-2010/][1] which look very through however after completion I was getting a website can not be displayed when I tried to browse to the profile and the mySite.
I have also recycled both the central admin and the web services root app pools
Editing - adding solution - Apparently this error:
HTTP/1.1 200 OK Server: Microsoft-IIS/7.5 Date: Wed, 18 Sep 2013

means there the web application can not find the site collection.  Commonly found if you try to browse to a web application before a site collection is created.
So After hours and hours of research the very last thing I tried was to  detach and re-attach the content database.  The problem was this did not work:
Dismount-SPContentDatabase "SharePoint_AdminContent_be612b9b-749d-4e20-b5a7-f14aa0c5fd90"

It is thought that its becasue the content database is attached to an SPAdministrationWebApplication web application rather than  a normal SPWebApplication. so this did work:
get-spcontentdatabase -webapplication http://siteaddress | dismount-SPcontentdatabase

Then to re-attach:
Mount-SPContentdatabase -name SharePoint_AdminContent_be612b9b-749d-4e20-b5a7-f14aa0c5fd90 -DatabaseServer DEV-SQL01-VM   -Webapplication http://siteaddress

After this every thigs is back to normal.  I still do not know how the occurred
Answer: I faced that problem earlier.
In my case first i tried to stop and restart User profile Service and User Profile Sync service, then (restart didn't helped) deleted User Profile Service and re-created it.
Comment: Thank you for you time and advice however I had actually removed the user profile service.  I did this because the mySite web application was what I was referring to in the 'The only major thing I did' ....this was the web application that was removed.  All this said I ahve a solution.  See the edit in the original post


Can a ransomware attack succeed with no root privileges, but instead if it does have privileged user access?

Question: If an attacker succeeds in getting the password of an IT support privileged account (that has Domain Control rights), can he successfully carry out the attack and do the lateral movement needed between the Domain Controllers and/or users?
Comment: To understand better user privileges you cant take a look at this page:
[Domain Admins vs. Administrators in Windows](https://serverfault.com/questions/174200/domain-admins-vs-administrators-in-windows-ad-dc)
Answer: Yes, if an attacker has domain admin rights they can usually encrypt anything on any system that's joined to the domain.
You don't even need administrative rights for most ransomware attacks - normal users have permissions to access lots of files and network shares. However, they're unlikely to be able to encrypt or destroy any backups that exist.
Comment: @oolnux I'm not sure that you read the answer correctly. Domain Admins can give themselves whatever permissions they like. Even access to backups. There is nothing that a Domain Admin can't do. "Normal users" are unlikely to access backups.
Comment: Oh, my bad. Thank you very much for your answer. This is everything I wanted.
Comment: So, this means that he is able to run powershell command (remotely) and do many more stuff.
But what can't he do? He can not encrypt or destroy backups, is there something else? Thanks for your answer and consider it marked as right after you answer me this tiny little question. Thank you a lot! :-)
Answer: I found more interesting explanation on this site:
What Does 'Privileged Account' Really Mean?

What Does 'Privileged Account' Really Mean?
Privileged access has become a hot topic recently. For the first time
ever, the Verizon Data Breach Investigations Report actually included
privileged access as its own section in the report with some not so
surprising results. Below are a couple of interesting takeaways from
the report:
<code>> Weak or common passwords were the cause of 63 percent of all breaches
> 53 percent of the breaches were due to the misuse of privileged accounts
</code>
Now that we know how important these accounts are, how do we know
exactly what makes an account 'privileged'? One easy rule of thumb is
to count any account with access to monetizable data (protected health
information, credit card numbers, social security numbers, etc.) as a
privileged account.
However that's not all. There are other kinds of privileged accounts.
What you have to decide for your organization is what privilege data
is, where it is, and who has access to it. Control of privileged
accounts is a major factor in compliance across all regulations in
every industry. If that definition is a bit too broad, here are the
most common types of privileged accounts:   ...
Domain Admin Accounts
Domain admins have privileged access across all workstations and
servers on a Windows domain. These are the most extensive and robust
accounts across your network because they have complete control over
all domain controllers and the ability to modify membership of every
administrative account within the domain. Compromise of these accounts
are often listed as the 'worst case scenario' and should be monitored
very closely.
Comment: Please do not post link-only answers. Include the relevant parts of the link here
Comment: Please include the ***relevant*** parts of the link. Not the entire contents.


Is it possible to capture ieee802.11 management and control frames from the same phone using android APP or tcpdump on root device?

Question: I am trying to study the traffic between the mobile and access points. So I have phone Galaxy Nexus which does not support monitoring mode but still support promiscuous mode. Unfortunately, I try many android apps Shark for root , native shark, tpacket and Tcpdump. all of them cannot capture any ieee802.11 frames(control, management and beacon frames).
Comment: You are probably better off asking this on [Android Enthusiasts](http://android.stackexchange.com/). We can't tell you the capability of the hardware in your end-device.
Answer: Without monitor mode, there will be no access to non-traffic frames. Use a 3rd device (PC) that does support monitor mode to record radio traffic.


A good way to get into Electronics with just 2 hours per week?

Question: I want to get into electronics but I only have 2 hours per week to spend time-wise and my budget is low. What are some good projects? Perhaps I should spend my time doing C programming challenges instead... and then when I have more time and money get into the hardware?
Comment: With only two hours left you should better watch a TV show
Comment: Find a project that motivates you and you'll find the time.
Comment: As sstobbe suggests, start a project of interest to you.  Start with something simple.  The more complex it is, the least likely you will complete it or get any thing out of it.
Answer: You wont learn much with two hours a week... Electronic is not that easy, you will just learn very basic things and forget it for the next week ! However, if you are ready to spend 30min - 40min a day in electronic, I recommend you to look at Arduino tutorial. Most of the time it cover basic C langage as well as very basic electronic. Bu doing so, you will understand the very basic electronic.
If you want to go further in the electronic, I recommend you to buy a electronic book. This post cover lots of book. You can make your choice ;)
Basic Electronics Book
Another alternative is to join electronic workshop if there is one in your city


What was the reason for Tamar and Judah's story?

Question: Genesis CH 38 - Tamar is the widow of Judah's first son. God saw how wicked Judah's first two son were and put them to death. Then Judah was scared of giving his youngest son to Tamar because his fate might be the same. What was the reason for this story being told in the bible?
Comment: What kind of answer are you looking for here? We're told many stories in the OT, and often it's not immediately clear why.
Comment: I just started reading the bible. Most of the stories so far make sense has to why it would be added. However, the use of this story is a little unclear to me. Probably I need to read further to understand the use of it.
Answer: The simplest answer is because it happened and the Bible records history whether flattering or not.
The "grand scheme" answer probably has multiple correct and concurrent answers one may be found in the book of Ruth.

Ruth 4:12  and may your house be like the house of Perez, whom Tamar bore to Judah, because of the offspring that the LORD will give you by this young woman."

Because of

Deut 23:2  "No one born of a forbidden union may enter the assembly of the LORD. Even to the tenth generation, none of his descendants may enter the assembly of the LORD.

Boaz had nothing to lose and much to gain. The tenth generation from Perez happened to be David. Due to this happening in the past it allowed gentiles to be a part of the bloodline David and later Jesus the Christ. Luke 3:23-32 shows the lineage of Christ back to Boaz, further if you go to vs 38 to Adam.

Ruth 4:18  Now these are the generations of Perez: Perez fathered Hezron,
  Ruth 4:19  Hezron fathered Ram, Ram fathered Amminadab,
  Ruth 4:20  Amminadab fathered Nahshon, Nahshon fathered Salmon,
  Ruth 4:21  Salmon fathered Boaz, Boaz fathered Obed,
  Ruth 4:22  Obed fathered Jesse, and Jesse fathered David.
Answer: This is a portion of an answer from a previous question. I believe it may apply.
What is the significance of seal, cord, and staff?
One can not help notice how the narrative of Judah and Tamar is nestled between the narratives of Joseph's betrayal by his brethren and his entrance in to Egypt. But chapter 38 is of supreme importance because it narrates the continuance of the tribe of Judah, the tribe which the Christ would descend from. Due to the evil deeds by Tamar's first two husbands (Judah's first two sons), the Lord took their lives leaving only one son. Judah's reluctance to give his last son in marriage to Tamar was actually a good thing. Without divine intervention, the line stemming from Judah would have been lost. Keep in mind that Judah's wife Shuah was a Canaanite. And just as Abraham instructed Isaac not to marry women of the Canaanites, (Gen 28:1) the twelve tribes were to heed the same command. Although Judah's intent to fornicate with a temple prostitute was sinful, God's sovereignty preserved the line of Judah from Canaanite infusion.
Comment: Under that logic why didn't he protect the line of Judah from Rahab?
Comment: There were seven specific Canaanite nations God placed an injunction between His people: the Hittites, and the Girgashites, and the Amorites, and the Canaanites, and the Perizzites, and the Hivites, and the Jebusites (Deut 7:1).Genesis 10:15-19 describes these nations as descended from Canaan, the son of Ham. Rahab lived in the land of Canaan, and most likely at one time practiced Canaanite religion (in relation to her harlotry), but her lineage is not traced to them. God had mercy and saved her and family, and she became one of the few gentiles in Christ's genealogy.
Answer: I've long thought that chapter 38 is Judah's 'metanoia'. In 37, Judah appears to be saving Joseph's life but he is really committing an act of evil by selling his brother into slavery. The pace of the narrative changes in ch38. Judah commits to a Canaanite woman (long forbidden - look back to Abraham) and Judah comes to understand God's condemnation of the evil act of selling his brother into slavery. This is the metanoia, the turning point. After ch38, Judah is committed to the return of Joseph to the bosom of Jacob/Israel and the reunification of the family/nation. God rewards Judah, the one who, though via sin, experiences true conversion.
Answer: All good answers above, but I think the primary reason for this interlude in Joseph's story, is to show how likely the very first generation of Israelites could have become Canaanites. Judah left his brothers (due to guilt over selling Joseph, and watching his father die day by day because he thought he was dead?) and married a Canaanite woman, had three sons, and chose Tamar, also Canaanite, as a wife for his oldest son. So much for being set apart as a holy nation! If all of Judah's brothers did the same, the Messianic line could not have been established. Thus the necessity for the Egyptian era, when the Jews were anathema to the Egyptians and confined to Goshen, where they grew in numbers. It then took the Exodus to create them from slaves to a distinct people under God.
Also, it shows that God can, and does, redeem His own and actually use our past (familial hatred, incest) for our good and His glory. No one is outside of the grace of God, unless they refuse Him.


Examples of non-zero negative Steenrod operations

Question: In JP May's paper A general algebraic approach to Steenrod operations, Steenrod operations are constructed in wide generality. In this context, it is not necessarily true that negative Steenrod operations are zero. However, I could not find any examples (not in May's paper, not even elsewhere), where one actually proves in some specific situation that some negative Steenrod operation is non-zero. It appears that sheaves of differential graded algebras $A$ (not concentrated in degree $0$) on a topological space $X$ should provide a counterexample, but I would like to see a specific example of $X$ and $A$, possibly with a proof.
Answer: Notice the switch in grading from homology to cohomology on May's page 182:  $P^s(x) = P_{-s}(x)$. Operations that raise degree when graded homologically lower degree when graded cohomologically. A large part of the motivation for the paper was to give a common framework for the Dyer-Lashof operations in the homology of iterated loop spaces and the Steenrod operations in the cohomology of spaces.  But if one grades these the same way, either homologically or cohomologically, one has positive operations and the other has negative operations.  The grading May found most sensible for the Steenrod operations on the cohomology of cocommutative Hopf algebras (p. 226) also gives examples.  There are a number of more recent papers that make serious use of the large Steenrod algebra (sometimes called the Kudo-Araki-May algebra) constructed using all operations.
Comment: Thank you very much for your reply. I am still curious about the last sentence of my question, i.e. the case of hypercohomology of sheaves of dgas (using cohomological grading), so let me elaborate a bit. I read here https://mysite.science.uottawa.ca/pparent/May.pdf (Remark 7 page 12, 'Not true for hypercohomology') that there should be (positive and) negative Steenrod operations, contrary to the case of sheaf of algebras (as studied by Epstein in the Inventiones paper). Do you have a specific example in mind?
Comment: What a terrible talk, beginning with a terrible typo.   That talk was when I was trying to work out an alternative construction of Voevodsky's Steenrod operations in motivic cohomology.   The attempt failed (see the last few pages).  I'd still like to see an operadic construction of those operations, but this is not the place to explain the difficulties I was seeing then. There are surely examples that others will know off the top of their head, but they are not on the top of mine.