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RegEx for matching UK Postcodes
...[ABD-HJLNP-UW-Z]{2}))$
This makes spaces optional, but does limit you to one space (replace the '&' with '{0,} for unlimited spaces). It assumes all text must be upper-case.
If you want to allow lower case, with any number of spaces, use:
^(([gG][iI][rR] {0,}0[aA]{2})|((([a-pr-uwyzA-PR-UWYZ]...
jQuery UI - Close Dialog When Clicked Outside
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I like this one. Is there a case where you don't want it modal but still want click outside to close? Doesn't make sense to me (I guess with modal you lose hovering on outside/underneath elements).
– Nick Spacek
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Can't launch my app in Instruments: At least one target failed to launch
...ve all my code signing entitlements set correctly. Running the app on my phone is fine, but launching it in instruments gives me an error message:
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Best way to do nested case statement logic in SQL Server
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One catch is that if one of your cases legitimately wants to return a NULL, it's no longer possible.
– Chris KL
Feb 5 '09 at 3:56
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Java Timer vs ExecutorService?
...ed Timer and ExecutorService to schedule tasks, what is the benefit of one using over another?
6 Answers
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Unix command to prepend text to a file
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In one line and in the original text file! This is the correct simple answer. I suggest the additional new line \n echo -e "to be prepended\n$(cat text.txt)" > text.txt
– VincentPerrin.com
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Volatile vs. Interlocked vs. lock
...e access modifier of counter to public volatile
As other people have mentioned, this on its own isn't actually safe at all. The point of volatile is that multiple threads running on multiple CPUs can and will cache data and re-order instructions.
If it is not volatile, and CPU A increments a value,...
How should I detect unnecessary #include files in a large C++ project?
...as declarations that come from different files. It might be that removing one header file results in a different overload being chosen rather than a compile error! The result will be a silent change in semantics that may be very difficult to track down afterwards.
2) Template specializations:
Si...
Getting an object from an NSSet
...essage. If it returns nil, the set does not contain an object equal to the one you passed; if it returns an object pointer, then the pointer it returns is to the object already in the set. The objects in the set must implement hash and isEqual: for this to be useful.
– Peter Ho...
Import Maven dependencies in IntelliJ IDEA
...ntelliJ) and remove all *.iml files and all .idea folders (there should be one per module)
Run mvn clean install from the command line
Re-import the project into IntelliJ and pay attention when it asks you to enable auto-import
IntelliJ 2016 Update:
The Import Maven Projects automatically setting...