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How to get the ASCII value of a character
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psql - save results of command to a file
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jQuery: $().click(fn) vs. $().bind('click',fn);
...or Matthew's answer, but I thought I should mention that you can also bind more than one event handler in one go using bind
$('#myDiv').bind('mouseover focus', function() {
$(this).addClass('focus')
});
which is the much cleaner equivalent to:
var myFunc = function() {
$(this).addClass('...
Catching error codes in a shell pipe
...ility for ages.
This leaks files if you interrupt something. Bomb-proof (more or less) shell programming uses:
tmp=${TMPDIR:-/tmp}/mine.$$
trap 'rm -f $tmp.[12]; exit 1' 0 1 2 3 13 15
...if statement as before...
rm -f $tmp.[12]
trap 0 1 2 3 13 15
The first trap line says 'run the commands 'rm ...
NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
... just a way to allow users to have access to limited functionality while a more permanent solution is found.
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How do I programmatically determine if there are uncommitted changes?
...ked for him:
git update-index --refresh
git diff-index --quiet HEAD --
A more precise option would be to test git status --porcelain=v1 2>/dev/null | wc -l, using the porcelain option.
See Myridium's answer.
(nornagon mentions in the comments that, if there are files that have been touched, but...
How to remove folders with a certain name
...f {} \;, find will crash when it tries to enter that directory to look for more items, giving you an error like find: '1/2/3/a': No such file or directory.
– Alex Grönholm
Jan 9 '17 at 19:57
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how to bypass Access-Control-Allow-Origin?
...certain that you need to allow all origins, you should lock this down to a more specific origin:
header('Access-Control-Allow-Origin: https://www.example.com')
Please refer to following stack answer for better understanding of Access-Control-Allow-Origin
https://stackoverflow.com/a/10636765/4136...
How can I move a tag on a git branch to a different commit?
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