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Regular Expressions and negating a whole character group [duplicate]
...ples I gave won't match 'ab' it's true but they also won't match 'a' alone and I need them to. Is there some simple way to do this?
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add column to mysql table if it does not exist
My research and experiments haven't yielded an answer yet, so I am hoping for some help.
16 Answers
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Proper way to wait for one function to finish before continuing?
...function firstFunction(_callback){
// do some asynchronous work
// and when the asynchronous stuff is complete
_callback();
}
function secondFunction(){
// call first function and pass in a callback function which
// first function runs when it has completed
firstFunctio...
When are you truly forced to use UUID as part of the design?
...ur major UUID versions:
Version 4 UUIDs are essentially just 16 bytes of randomness pulled from a cryptographically secure random number generator, with some bit-twiddling to identify the UUID version and variant. These are extremely unlikely to collide, but it could happen if a PRNG is used or if ...
When is CRC more appropriate to use than MD5/SHA1?
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CRC works fine for detecting random errors in data that might occur, for example, from network interference, line noise, distortion, etc.
CRC is computationally much less complex than MD5 or SHA1. Using a hash function like MD5 is probably overkill for r...
How do I list all cron jobs for all users?
Is there a command or an existing script that will let me view all of a *NIX system's scheduled cron jobs at once? I'd like it to include all of the user crontabs, as well as /etc/crontab , and whatever's in /etc/cron.d . It would also be nice to see the specific commands run by run-parts in /e...
switch / pattern matching idea
I've been looking at F# recently, and while I'm not likely to leap the fence any time soon, it definitely highlights some areas where C# (or library support) could make life easier.
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How to prepare a Unity project for git? [duplicate]
... eg. github? I don't want to store unnecessary files (specially temp files and avoid binary formats as much as possible).
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Build Error - missing required architecture i386 in file
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This happens when you add a framework to your project and unintentionally copy the framework into your project directory.
The fix is to check your project directory (where you store your project on disk) for any iphone SDK *.Framework files and delete them.
Project will build...
How do I make and use a Queue in Objective-C?
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@end
Just import the .h file wherever you want to use your new methods, and call them like you would any other NSMutableArray methods.
Good luck and Keep on Coding!
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