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What Content-Type value should I send for my XML sitemap?
I thought I should send "text/xml", but then I read that I should send "application/xml". Does it matter? Can someone explain the difference?
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What is the difference between concurrency and parallelism?
...rrency is when two or more tasks can start, run, and complete in overlapping time periods. It doesn't necessarily mean they'll ever both be running at the same instant. For example, multitasking on a single-core machine.
Parallelism is when tasks literally run at the same time, e.g., on a multico...
What is a “thread” (really)?
I have been trying to find a good definition, and get an understanding, of what a thread really is.
10 Answers
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Given an emacs command name, how would you find key-bindings ? (and vice versa)
If I know an emacs command name, says, "goto-line"; what if I want to query whether if there are any key-sequences bound to this command ?
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Declaring variables inside or outside of a loop
Why does the following work fine?
20 Answers
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How do I use arrays in C++?
...bstractions that are easier to use and less error-prone ( std::vector<T> since C++98 and std::array<T, n> since C++11 ), so the need for arrays does not arise quite as often as it does in C. However, when you read legacy code or interact with a library written in C, you should have a...
Is there a performance difference between i++ and ++i in C++?
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If i is a simple type (not an instance of a C++ class), then the answer given for C ("No there is no performance difference") holds, since the compiler is generating the code.
However, if i is an instance of a C++ class, then i++ and ++i are making calls to one of the operator++ functions. Here'...
R and version control for the solo data analyst
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I feel the answer to your question is a resounding yes- the benefits of managing your files with a version control system far outweigh the costs of implementing such a system.
I will try to respond in detail to some of the points you raised:
Backup: I have a backup ...
Setting up FTP on Amazon Cloud Server [closed]
I am trying to set up FTP on Amazon Cloud Server, but without luck.
I search over net and there is no concrete steps how to do it.
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What is “lifting” in Scala?
...metimes when I read articles in the Scala ecosystem I read the term "lifting" / "lifted". Unfortunately, it is not explained what that exactly means. I did some research, and it seems that lifting has something to do with functional values or something like that, but I was not able to find a text th...