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How does a Linux/Unix Bash script know its own PID?
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use $BASHPID or $$
See the manual for more information, including differences between the two.
TL;DRTFM
$$ Expands to the process ID of the shell.
In a () subshell, it expands to the process ID of the invoking shell, not the subshel...
Calculating width from percent to pixel then minus by pixel in LESS CSS
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You can escape the calc arguments in order to prevent them from being evaluated on compilation.
Using your example, you would simply surround the arguments, like this:
calc(~'100% - 10px')
Demo : http://jsfiddle.net/c5aq20b6/
I find that I use this in o...
Should I avoid 'async void' event handlers?
I know it is considered generally a bad idea to use fire-and-forget async void methods to start tasks, because there is no track of the pending task and it is tricky to handle exceptions which might be thrown inside such a method.
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How can I expose more than 1 port with Docker?
So I have 3 ports that should be exposed to the machine's interface. Is it possible to do this with a Docker container?
4 A...
Index all *except* one item in python
Is there a simple way to index all elements of a list (or array, or whatever) except for a particular index? E.g.,
9 An...
Understanding the transclude option of directive definition?
I think this is one of the hardest concept for me to understand with angularjs's directive.
6 Answers
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jQuery text() and newlines
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It's the year 2015. The correct answer to this question at this point is to use CSS white-space: pre-line or white-space: pre-wrap. Clean and elegant. The lowest version of IE that supports the pair is 8.
https://css-tricks.com/almanac/properties/w/...
GitHub authentication failing over https, returning wrong email address
Initiating a push or any other action with GitHub from the command line (over https, not ssh) that calls for the username and password not only fails but, when it does, it returns
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Best way to get child nodes
...ite space text nodes are always included in the DOM (except in IE < 9) for both HTML and XHTML, wherever they appear in the source. It's generally a good thing, although it can catch you out if you're not prepared for it.
– Tim Down
Apr 30 '12 at 10:32
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List View Filter Android
...t above the list and when the user enter text the list will be filtered according to user input
3 Answers
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