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Stack Overflow is a question-and-answer website for computer programmers. It is the flagship site of the Stack Exchange Network. [2] [3] [4] It was created in 2008 by Jeff Atwood and Joel Spolsky. [5] [6] It features questions and answers on certain computer programming topics. [7] [8] [9] It was created to be a more open alternative to earlier ...
Question answering. Question answering ( QA) is a computer science discipline within the fields of information retrieval and natural language processing (NLP) that is concerned with building systems that automatically answer questions that are posed by humans in a natural language. [1]
However, generally they are considerably slower (typically by a factor 2–10) than fast, non-cryptographic random number generators. These include: Stream ciphers. Popular choices are Salsa20 or ChaCha (often with the number of rounds reduced to 8 for speed), ISAAC, HC-128 and RC4. Block ciphers in counter mode.
Users were able to send an SMS message with their question to 242–242, where Guides would then answer it. Standard messaging fees could apply, but ChaCha never charged additional fees. Voice search. ChaCha launched its beta version of a call-in search service on April 1, 2008, while discontinuing its less effective guided web search.
Rhetorical question. A rhetorical question is a question asked for a purpose other than to obtain information. [1] In many cases it may be intended to start a discourse, as a means of displaying or emphasizing the speaker's or author's opinion on a topic. A simple example is the question "Can't you do anything right?"
Artificial intelligence (AI), in its broadest sense, is intelligence exhibited by machines, particularly computer systems.It is a field of research in computer science that develops and studies methods and software that enable machines to perceive their environment and uses learning and intelligence to take actions that maximize their chances of achieving defined goals.
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