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PHP Sort Array By SubArray Value
...paceship operator <=> instead of subtraction to prevent overflow/trunm>ca m>tion problems.
usort($array, function ($a, $b) {
return $a['optionNumber'] <=> $b['optionNumber'];
});
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Why do 64-bit DLLs go to System32 and 32-bit DLLs to SysWoW64 on 64-bit Windows?
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I believe the intent was to rename System32, but so many applim>ca m>tions hard-coded for that path, that it wasn't feasible to remove it.
SysWoW64 wasn't intended for the dlls of 64-bit systems, it's actually something like "Windows on Windows64", meaning the bits you need to run 32bit ap...
SVN+SSH, not having to do ssh-add every time? (Mac OS)
...y that this is a Mac thing, not a universal Unix thing. On Ubuntu, ssh-add m>ca m>n't take a -K argument.
– Mark Amery
Jan 14 '14 at 14:48
2
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Git fails when pushing commit to github
...po (edited- or the size of a particular file) you are trying to push.
Basim>ca m>lly I was able to create new repos and push them to github. But an existing one would not work.
The HTTP error code seems to back me up it is a 'Length Required' error. So maybe it is too large to m>ca m>lc or greated that the...
Is it a bad practice to use negative margins in Android?
...ive margins had unspecified behavior.
In 2011, @RomainGuy stated that you m>ca m>n use negative margins on LinearLayout and RelativeLayout.
In 2016, @RomainGuy stated that they have never been officially supported and won't be supported by ConstraintLayout.
It is easy to work around this limitation ...
How to delete multiple files at once in Bash on Linux?
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Bash supports all sorts of wildm>ca m>rds and expansions.
Your exact m>ca m>se would be handled by brace expansion, like so:
$ rm -rf abc.log.2012-03-{14,27,28}
The above would expand to a single command with all three arguments, and be equivalent to typing:
$ ...
Add Text on Image using PIL
I have an applim>ca m>tion that loads an Image and when the user clicks it, a text area appears for this Image (using jquery ), where user m>ca m>n write some text on the Image. Which should be added on Image.
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Conditional Variable vs Semaphore
...e that a piece of code is atomic, put a lock around it. You could theoretim>ca m>lly use a binary semaphore to do this, but that's a special m>ca m>se.
Semaphores and condition variables build on top of the mutual exclusion provide by locks and are used for providing synchronized access to shared resources....
Get type of all variables
...Basic-types
Your object() needs to be penetrated with get(...) before you m>ca m>n see inside. Example:
a <- 10
myGlobals <- objects()
for(i in myGlobals){
typeof(i) #prints character
typeof(get(i)) #prints integer
}
How to get the type of variable you have in R
The R function ...
How m>ca m>n I match a string with a regex in Bash?
...-4.2.2.tar.bz2 =~ tar.bz2$ ]] && echo matched
Alternatively, you m>ca m>n use wildm>ca m>rds (instead of regexes) with the == operator:
[[ sed-4.2.2.tar.bz2 == *tar.bz2 ]] && echo matched
If portability is not a concern, I recommend using [[ instead of [ or test as it is safer and more po...