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Batch files - number of command line arguments
...pped in square brackets to empty square brackets (which is the only way I know of testing program or subprogram arguments which may contain quotes and was an overlooked leftover from trial-and-error phase) but was since fixed to how it is now.
...
Print only?
...an onclick (as shown above), and pass the id of the div like I did above.
Now let's create a really simple javascript:
function printDiv(divName) {
var printContents = document.getElementById(divName).innerHTML;
var originalContents = document.body.innerHTML;
document.body.innerHTM...
Unzip files programmatically in .net
...
We have used SharpZipLib successfully on many projects. I know it's a third party tool, but source code is included and could provide some insight if you chose to reinvent the wheel here.
share
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Safely limiting Ansible playbooks to a single machine?
...Note the comma (,) at the end; this signals that it's a list, not a file.
Now, this won't protect you if you accidentally pass a real inventory file in, so it may not be a good solution to this specific problem. But it's a handy trick to know!
...
pycharm running way slow
...hon file was focused in the editor, but this was fixed with version 5. But now with version 2016.1.2 the IDE seems to randomly start using >50% even with all editor files closed and nothing running and in Power Save mode, and it carries on indefinitely until I close PyCharm, and soon starts again...
Using -performSelector: vs. just calling the method
... performSelector is also useful to suppress compile warnings. If you know the method exists (like after using respondsToSelector), it will stop Xcode from saying "may not respond to your_selector". Just don't use it instead of finding out the real cause of the warning. ;)
–...
How to discard local changes in an SVN checkout?
... directory is not needed, you can get rid of it. Your working directory is now both git and subversion repository:
$ mv TMP/.git .
$ rm -rf TMP/
You can now use powerful and convenient git add -p to interactively choose exactly what you want to share, and commit them to your git repository. If you...
Garbage collector in Android
... @ThomasPornin - On the other hand, as an application programmer, you know something that the OS does not know: times at which your app is now going to make a major change in how it uses memory, and that it would be less disruptive to the user experience to take a pause now, than at an arbitrar...
How to read a file into a variable in shell?
...n variables.
This affects both expansion and read solutions, and I don't know any good workaround for it.
Example:
printf "a\0b" | od -tx1
S="$(printf "a\0b")"
printf "$S" | od -tx1
Outputs:
0000000 61 00 62
0000003
0000000 61 62
0000002
Ha, our NUL is gone!
Workarounds:
ASCII encode. Se...
PHPUnit: assert two arrays are equal, but order of elements not important
...unit with a new assertion method. But here's an idea for a simpler way for now. Untested code, please verify:
Somewhere in your app:
/**
* Determine if two associative arrays are similar
*
* Both arrays must have the same indexes with identical values
* without respect to key ordering
*
*...