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“Debug certificate expired” error in Eclipse Android plugins

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'float' vs. 'double' precision

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Getting all types in a namespace via reflection

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is_null($x) vs $x === null in PHP [duplicate]

...('is_null', $array). Personally, I use null === whenever I can, as it is more consistent with false === and true === checks. If you want, you can check the code: is_identical_function (===) and php_is_type (is_null) do the same thing for the IS_NULL case. The related isset() language construct...
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How to make a smaller RatingBar?

... to the source for you to poke around in but I'm a new user and can't post more than 1 URL. If you dig your way through the source tree, it's located at frameworks/base/core/java/android/widget/RatingBar.java share ...
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How to check type of files without extensions in python?

...ited use I've made of it, it has been solid. There are also libraries for more specialized file types. For example, the Python standard library has the imghdr module that does the same thing just for image file types. If you need dependency-free (pure Python) file type checking, see filetype. ...
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Wait until file is unlocked in .NET

...: /// <summary> /// Blocks until the file is not locked any more. /// </summary> /// <param name="fullPath"></param> bool WaitForFile(string fullPath) { int numTries = 0; while (true) { ++numTries; try ...
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How do you round UP a number in Python?

... non-integral float is involved (either numerator or denominator); this is more magical looking, but works for both ints and floats. For small numerators, it's also faster (on CPython 3.7.2), though oddly, when only the numerator is large enough that array based math is needed, your approach is slow...
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How do I implement basic “Long Polling”?

... for FriendFeed's long-polling code)... but as a simple example, Apache is more than adequate! This script could easily be written in any language (I chose Apache/PHP as they are very common, and I happened to be running them locally) Then, in Javascript, you request the above file (msg_srv.php), a...
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How to fix height of TR?

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