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Why doesn't Python have a sign function?
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@Andrew - @user238424's calling order is correct. copysign(a,b) returns a with the sign of b - b is the varying input, a is the value to normalize to with b's sign. In this case, the commenter is illustrating that copysign(1,x) as a replacement for sign(x)...
Android activity life cycle - what are all these methods for?
...ll these methods for:
Let us take a simple scenario where knowing in what order these methods are called will help us give a clarity why they are used.
Suppose you are using a calculator app. Three methods are called in
succession to start the app.
onCreate() - - - > onStart() - - - > ...
How do I initialize a TypeScript object with a JSON object
...ould also be used in combination with other answers such as reflection, in order to do what you're looking for. I also wrote it in part so that I would remember it later. Looking at these answers and having used and written much more powerful libraries there doesn't appear to be anything available ...
How to “perfectly” override a dict?
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Also check out the total_ordering class decorator - that will eliminate 4 methods from your unicode subclass. But the dict subclass looks very cleverly implemented. :P
– Aaron Hall♦
Apr 18 '17 at 2:14
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How to attribute a single commit to multiple developers?
... to do it from the command line. This project helps you to set an alias in order to create co-autored commits as follows:
$ git co-commit -m "Commit message" --co "co-author <co-author-email>"
Using this approach, you are able to create co-authored commits without a graphical interface.
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Using ls to list directories and their total sizes
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sort -rn sorts things in reverse numerical order. sort -rn | head -n 10 will show only the top few, if that's of any interest.
– AgileTillIDie
Mar 17 '14 at 13:51
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How to export revision history from mercurial or git to cvs?
...mits that were done in less than a minute with the same commit message (in order to revert a wrongfully deleted file) were grouped into one big commit, which resulted in a missing file from the tree..
I was able to solve this problem by modifying the 'fuzz' parameter to less than a minute.
example...
How to embed an autoplaying YouTube video in an iframe?
...ight="345" src="http://www.youtube.com/embed/oHg5SJYRHA0?autoplay=1" frameborder="0" allowfullscreen></iframe>
The JavaScript API for iframe embeds exists, but is still posted as an experimental feature.
UPDATE: The iframe API is now fully supported and "Creating YT.Player objects - Exam...
What is the difference between 127.0.0.1 and localhost
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Convert SVG image to PNG with PHP
...= base64_decode($data[1]);
$dimg=imagecreatefromstring($base64img);
//in order to avoid copying a black figure into a (default) black background you must create a white background
$im_out = ImageCreateTrueColor($width,$height);
$bgfill = imagecolorallocate( $im_out, 255, 255, 255 );
imagefill( $i...