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What does “|=” mean? (pipe equal operator)
...
|= reads the same way as +=.
notification.defaults |= Notification.DEFAULT_SOUND;
is the same as
notification.defaults = notification.defaults | Notification.DEFAULT_SOUND;
where | is the bit-wise OR operator.
All operators are referenced here.
A bit...
Is there an ignore command for git like there is for svn?
... whatever subdirectory.
You can also edit .git/info/exclude to ignore specific files just in that one working copy. The .git/info/exclude file will not be committed, and will thus only apply locally in this one working copy.
You can also set up a global file with patterns to ignore with git config...
What to return if Spring MVC controller method doesn't return value?
...value = HttpStatus.OK)
public void updateDataThatDoesntRequireClientToBeNotified(...) {
...
}
Only get methods return a 200 status code implicity, all others you have do one of three things:
Return void and mark the method with @ResponseStatus(value = HttpStatus.OK)
Return An object and mar...
Getting the ID of the element that fired an event
...Note also that this will also work, but that it is not a jQuery object, so if you wish to use a jQuery function on it then you must refer to it as $(this), e.g.:
$(document).ready(function() {
$("a").click(function(event) {
// this.append wouldn't work
$(this).append(" Clicked")...
Validating parameters to a Bash script
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~/myfolder3/$1/thisisafolder
EOF
edit: I missed the part about checking if the directories exist at first, so I added that in, completing the script. Also, have addressed issues raised in comments; fixed the regular expression, switched from == to eq.
This should be a portable, POSIX compliant s...
ping response “Request timed out.” vs “Destination Host unreachable”
When I ping an IP address, what is the difference between Request timed out and Destination host unreachable returned from the command?
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How do I make a Mac Terminal pop-up/alert? Applescript?
...Hello World"'
Replacing “Finder” with whatever app you desire. Note if that app is backgrounded, the dialog will appear in the background too. To always show in the foreground, use “System Events” as the app:
osascript -e 'tell app "System Events" to display dialog "Hello World"'
Read ...
Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
...
Be careful doing this if you aren't already on the latest version of Postgres. You'll need to reinstall the old Postgres alongside the new one and then do a pg_upgrade
– dazonic
Jan 2 '17 at 2:49
...
How to get a DOM Element from a JQuery Selector
...erience). Take your checkbox example:
$(":checkbox").click(function() {
if ($(this).is(":checked")) {
// do stuff
}
});
is more "jquery'ish" and (imho) more concise. What if you wanted to number them?
$(":checkbox").each(function(i, elem) {
$(elem).data("index", i);
});
$(":checkbox")....
How to make blinking/flashing text with CSS 3
...out. Last, I am using infinite. That means it will go on and on.
Note: If this doesn't work for you, use browser prefixes like
-webkit, -moz and so on as required for animation and
@keyframes. You can refer to my detailed code here
As commented, this won't work on older versions of Inter...