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What is the proper #include for the function 'sleep()'?

I am using the Big Nerd Ranch book Objective-C Programming, and it starts out by having us write in C in the first few chapters. In one of my programs it has me create, I use the sleep function. In the book it told me to put #include <stdlib.h> under the #include <stdio.h> part. This...
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Is there a difference between /\s/g and /\s+/g?

When we have a string that contains space characters: 4 Answers 4 ...
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MySQL Select Query - Get only first 10 characters of a value

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Write string to text file and ensure it always overwrites the existing content.

I have a string with a C# program that I want to write to a file and always overwrite the existing content. If the file isn't there, the program should create a new file instead of throwing an exception. ...
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How to tell which colorscheme a Vim session currently uses

You can set the Vim color scheme by issuing 3 Answers 3 ...
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How to get execution time in rails console?

I want compare time of execution Post.all and SELECT * FROM posts (or some other statements) How can i get execution time of Post.all ? ...
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XPath query to get nth instance of an element

There is an HTML file (whose contents I do not control) that has several input elements all with the same fixed id attribute of "search_query" . The contents of the file can change, but I know that I always want to get the second input element with the id attribute "search_query" . ...
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Switch case with fallthrough?

I am looking for the correct syntax of the switch statement with fallthrough cases in Bash (ideally case-insensitive). In PHP I would program it like: ...
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How can I check if a method is static using reflection?

I want to discover at run-time ONLY the static Methods of a class, how can I do this? Or, how to differentiate between static and non-static methods. ...
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What do the python file extensions, .pyc .pyd .pyo stand for?

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