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Export CSS changes from inspector (webkit, firebug, etc)
...mber" link next to the CSS rules. The CSS file that shows up will contain all of the modifications.
This place exactly:
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How to copy a file to multiple directories using the gnu cp command
...args -n 1 cp file1
Will copy file1 to dir1, dir2, and dir3. xargs will call cp 3 times to do this, see the man page for xargs for details.
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Remove multiple whitespaces
I'm getting $row['message'] from a MySQL database and I need to remove all whitespace like \n \t and so on.
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Move the mouse pointer to a specific position?
...n adopted by - it looks like - Chrome and Firefox. It's managed by what's called Mouse Lock, and hitting escape will break it. From my brief read-up, I think the idea is that it locks the mouse to one location, and reports motion events similar to click-and-drag events.
Here's the release documenta...
How to customize a requirements.txt for multiple environments?
...eploy to Heroku which expects each branch's dependencies in a single file called 'requirements.txt'.
3 Answers
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Getting the difference between two sets
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Try this
test2.removeAll(test1);
Set#removeAll
Removes from this set all of its elements that are contained in the specified collection (optional operation). If the specified collection is also a set, this operation effectively modifies thi...
Const in JavaScript: when to use it and is it necessary?
...ed languages, a constant will be replaced at compile-time and its use will allow for other optimizations like dead code removal to further increase the runtime efficiency of the code. Recent (loosely used term) JavaScript engines actually compile JS code to get better performance, so using the const...
How to negate specific word in regex? [duplicate]
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This says it all (I probably would have started with (?!bar) and built up). I don't see why other people are making it so complicated.
– Beta
Aug 7 '09 at 14:49
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How to tell if a string contains a certain character in JavaScript?
...tion does. There are a lot of people who don't understand regex, and generally the simpler answer is the best.
– kemiller2002
Oct 13 '15 at 19:19
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What's “P=NP?”, and why is it such a famous question? [closed]
The question of whether P=NP is perhaps the most famous in all of Computer Science. What does it mean? And why is it so interesting?
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