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How can I generate random alphanumeric strings?

... While this technically answers the question, it's output is very misleading. Generating 8 random characters sounds like there can be very many results, whereas this at best produces 2 billion different results. And in practice even fewer. You...
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How to check if there exists a process with a given pid in Python?

... process in the sense that you are asking, it sends signal 0, which is basically "Are you running?". – mluebke Feb 20 '09 at 4:40 10 ...
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What's the difference of “./configure” option “--build”, “--host” and “--target”?

...tallation notes): If build, host, and target are all the same, this is called a native. If build and host are the same but target is different, this is called a cross. If build, host, and target are all different this is called a canadian (for obscure reasons dealing with Canada's political part...
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What is the difference between connection and read timeout for sockets?

...ndshake. The read timeout is the timeout on waiting to read data1. Specifically, if the server fails to send a byte <timeout> seconds after the last byte, a read timeout error will be raised. 2) What does connection timeout set to "infinity" mean? In what situation can it remain in an inf...
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How to access session variables from any class in ASP.NET?

...hown in the answer. E.g. "public int LoginId { get; set; }" --> this is called an automatic property. – M4N Apr 7 '09 at 13:00 4 ...
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Can I update a component's props in React.js?

...ticed in the docs a reference to componentWillReceiveProps , which specifically includes this example: 6 Answers ...
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What's the difference between == and .equals in Scala?

... == is a final method, and calls .equals, which is not final. This is radically different than Java, where == is an operator rather than a method and strictly compares reference equality for objects. ...
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What does (function($) {})(jQuery); mean?

... That's called Immediately Invoked Function Expression (IIFE): benalman.com/news/2010/11/… – Andres Rojas Aug 29 '16 at 16:04 ...
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Java `final` method: what does it promise?

...uestion "this final method will always behave as promised" that I must not call any non-final methods from inside a final method? Because, if I do the called method may have been overridden and therefore I can not guarantee the behavior of my final method? – towi ...
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Conditionally start at different places in storyboard from AppDelegate

...sful, and show the login view controller if the authentication failed. Basically, I want to do this in my AppDelegate: 10 A...