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What's the point of malloc(0)?
...g to NULL is a better cross-platform strategy, since free() is guaranteed (by spec) to work fine on NULL as input.
– Reed Copsey
Jan 7 '10 at 17:50
2
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What is the meaning of git reset --hard origin/master?
...o ask this before you ran the command. The destructive nature is hinted at by using the same words as in "hard reset".
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Syntax Error: Not a Chance
...nd an easter egg in Python. It is a joke.
It means that delimiting blocks by braces instead of indentation will never be implemented.
Normally, imports from the special __future__ module enable features that are backwards-incompatible, such as the print() function, or true division.
So the line f...
External template in Underscore
...which I really dislike. (ugh... ok, you can get around it with Require.js by pre-compiling your initial dependencies with r.js, but for templates, this still feels wrong to me)
I like using a grunt task (grunt-contrib-jst) to compile all of the HTML templates into a single templates.js file and in...
What are the differences between a multidimensional array and an array of arrays in C#?
...ay[i, j] = value;
}
Their IL will be the following:
.method private hidebysig static void SetElementAt(int32[][] 'array',
int32 i,
int32 j,
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PHP: How to use array_filter() to filter array keys?
...o array_filter(), flag, that you can set to ARRAY_FILTER_USE_KEY to filter by key instead of value:
$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed = ['foo', 'bar'];
$filtered = array_filter(
$my_array,
function ($key) use ($allowed) {
return in_array($key, $allowed);
...
Move the mouse pointer to a specific position?
...osition, and tracking change in its x and y. This concept has been adopted by - it looks like - Chrome and Firefox. It's managed by what's called Mouse Lock, and hitting escape will break it. From my brief read-up, I think the idea is that it locks the mouse to one location, and reports motion event...
How to switch to REPLACE mode in VIM
I know I can do this by pressing Insert in INSERT mode, but that requires some stretching. Is there any more convenient shortcut to go directly from NORMAL mode to REPLACE mode?
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python pip: force install ignoring dependencies
...(and pip) has "extras", but they must be explicitly selected and installed by the user.
– shadowtalker
Oct 18 '18 at 19:51
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libpng warning: iCCP: known incorrect sRGB profile
...res that your ImageMagick was built with libpng16. You can easily check it by running:
convert -list format | grep PNG
If you'd like to find out which files need to be fixed instead of blindly processing all of them, you can run
pngcrush -n -q *.png
where the -n means don't rewrite the files a...