A hashtable or a hash map is a data structure that is used to implement an associative array. It is user-defined reference types. It associates keys with values. The primary operation in hash table is look like: given a key (e.g. a studentâs name), find the corresponding value (e.g. that studentâs ID number).
DRTV is a type of television-based advertising that encourages viewers/consumers to call, visit a website or in some other way make a purchase, register, vote, make an appointment, request more information or take another desired action.
What is DRTV (Direct response TV) media buying? Direct response TV (DRTV) media buying involves purchasing remnant TV inventory at reduced, pre-emptible (or direct response) rates on a daypart or broad rotation basis. DRTV rates are typically 50-80% off rates paid in the general market. Due to the possibility of preemption, direct response TV media is typically overbooked to clear the budgeted amount.