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How can I check if a Perl array contains a particular value?

...For the record, this code still does iterate through the array. The map{} call simply makes that iteration very easy to type. – Kenny Wyland Mar 3 '12 at 23:09 3 ...
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What is the difference between AF_INET and PF_INET in socket programming?

... to do is to use AF_INET in your struct sockaddr_in and PF_INET in your call to socket(). But practically speaking, you can use AF_INET everywhere. And, since that's what W. Richard Stevens does in his book, that's what I'll do here. ...
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Is there a Python equivalent of the C# null-coalescing operator?

In C# there's a null-coalescing operator (written as ?? ) that allows for easy (short) null checking during assignment: ...
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How do you properly determine the current script directory in Python?

...ing to get. It's unusual to be executing a script with exec/execfile; normally you should be using the module infrastructure to load scripts. If you must use these methods, I suggest setting __file__ in the globals you pass to the script so it can read that filename. There's no other way to get th...
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How to write to a file, using the logging Python module?

... __name__ == '__main__': if running on apache – Rami Alloush Apr 14 '19 at 19:08 @RamiAlloush can you please elaborate...
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Can I create links with 'target=“_blank”' in Markdown?

...rget="_blank">Hello, world!</a> Most Markdown engines I've seen allow plain old HTML, just for situations like this where a generic text markup system just won't cut it. (The StackOverflow engine, for example.) They then run the entire output through an HTML whitelist filter, regardless, ...
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How to “properly” create a custom object in JavaScript?

...e result is that in mixed company you will have a mishmash of metaclasses, all behaving slightly differently. What's worse, most JavaScript tutorial material is terrible and serves up some kind of in-between compromise to cover all bases, leaving you very confused. (Probably the author is also confu...
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Camera orientation issue in Android

... This doesn't seem to work on some devices, it returns 0 for all orientations.. I know it happens on Galaxy S Infuse and Sony Xperia Arc, and S II.. Interesting thing here is that when these same images are selected from gallery, the content provider has the proper orientation value.. ...
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How can I correctly prefix a word with “a” and “an”?

...uick filter program that spits out only article text (the download is generally in XML format, along with non-article metadata too). Find all instances of a(n).... and make an index on the following word and all of its prefixes (you can use a simple suffixtrie for this). This should be case sensitiv...
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Make a borderless form movable?

... This article on CodeProject details a technique. Is basically boils down to: public const int WM_NCLBUTTONDOWN = 0xA1; public const int HT_CAPTION = 0x2; [System.Runtime.InteropServices.DllImport("user32.dll")] public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam...