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How many bytes does one Unicode character take?

...ough it sure does try. Unicode itself is a mapping, it defines codepoints and a codepoint is a number, associated with usually a character. I say usually because there are concepts like combining characters. You may be familiar with things like accents, or umlauts. Those can be used with another ch...
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How to perform static code analysis in php? [closed]

... Run php in lint-mode from the command line to validate syntax without execution: php -l FILENAME Higher-level static analyzers include: php-sat - Requires http://strategoxt.org/ PHP_Depend PHP_CodeSniffer PHP Mess Detector PHPStan PHP-CS-Fixer phan Lowe...
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What's the foolproof way to tell which version(s) of .NET are installed on a production Windows Serv

...u should open up IE on the server for which you are looking for this info, and go to this site: http://www.hanselman.com/smallestdotnet/ That's all it takes. The site has a script that looks your browser's "UserAgent" and figures out what version (if any) of the .NET Framework you have (or don't h...
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Android : Check whether the phone is dual SIM

... Update 23 March'15 : Official multiple SIM API is available now from Android 5.1 onwards Other possible option : You can use Java reflection to get both IMEI numbers. Using these IMEI numbers you can check whether the phone is a DUAL SIM or not. Try following activity : import andro...
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Real mouse position in canvas [duplicate]

....clientY - rect.top }; } Just call it from your event with the event and canvas as arguments. It returns an object with x and y for the mouse positions. As the mouse position you are getting is relative to the client window you'll have to subtract the position of the canvas element to convert...
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How to replace multiple white spaces with one white space

... This question isn't as simple as other posters have made it out to be (and as I originally believed it to be) - because the question isn't quite precise as it needs to be. There's a difference between "space" and "whitespace". If you only mean spaces, then you should use a regex of " {2,}". If ...
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Automatic creation date for Django model form objects?

What's the best way to set a creation date for an object automatically, and also a field that will record when the object was last updated? ...
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Why does Oracle 9i treat an empty string as NULL?

..., but that doesn't do much to tell me why this is the case. As I understand the SQL specifications, ' ' is not the same as NULL -- one is a valid datum, and the other is indicating the absence of that same information. ...
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What's the difference between F5 refresh and Shift+F5 in Google Chrome browser?

What's the difference between F5 refresh and SHIFT + F5 in Google Chrome browser? 3 Answers ...
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Git error when trying to push — pre-receive hook declined

When I try and push a change I've commited, I get the following error ... 27 Answers 2...