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Why is volatile needed in C?

Why is volatile needed in C? What is it used for? What will it do? 18 Answers 18 ...
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How to strip leading “./” in unix “find”?

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How to drop a list of rows from Pandas dataframe?

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C99 stdint.h header and MS Visual Studio

To my amazement I just discovered that the C99 stdint.h is missing from MS Visual Studio 2003 upwards. I'm sure they have their reasons, but does anyone know where I can download a copy? Without this header I have no definitions for useful types such as uint32_t, etc. ...
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Why does “pip install” inside Python raise a SyntaxError?

I'm trying to use pip to install a package. I try to run pip install from the Python shell, but I get a SyntaxError . Why do I get this error? How do I use pip to install the package? ...
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What is the difference between \r and \n?

... \n different? I think it has something to do with Unix vs. Windows vs. Mac, but I'm not sure exactly how they're different, and which to search for/match in regexes. ...
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Addition for BigDecimal

I want to do some simple sums with some currency values expressed in BigDecimal type. 11 Answers ...
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How to add text at the end of each line in Vim?

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Get image data url in JavaScript?

...ome images (just regular <img /> HTML tags). I'd like to get their content, base64 encoded preferably, without the need to redownload the image (ie. it's already loaded by the browser, so now I want the content). ...
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In C#, how to check if a TCP port is available?

In C# to use a TcpClient or generally to connect to a socket how can I first check if a certain port is free on my machine? ...