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iOS start Background Thread

...ou'd probably be better off using Grand Central Dispatch, though: dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ [self getResultSetFromDB:docids]; }); GCD is a newer technology, and is more efficient in terms of memory overhead and lines of code. Updated w...
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Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v

... what do you do if env has a lot of rvm stuff in it still? like rvm_dump_environment_flag=0 etc... – jcollum Apr 22 '12 at 21:28 5 ...
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Git Bash doesn't see my PATH

...ecutable names without extensions. In my case, I wanted to execute a file called cup.bat. In a Windows shell, typing cup would be enough. Bash doesn't work this way, it wants the full name. Typing cup.bat solved the problem. (I wasn't able to run the file though, since apparently bash couldn't under...
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Rails 3.1: Engine vs. Mountable App

...s, someone please let me know and I'll fix this response. I have made a small article about the subject here Cheers! share | improve this answer | follow | ...
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How to split a long regular expression into multiple lines in JavaScript?

... You could convert it to a string and create the expression by calling new RegExp(): var myRE = new RegExp (['^(([^<>()[\]\\.,;:\\s@\"]+(\\.[^<>(),[\]\\.,;:\\s@\"]+)*)', '|(\\".+\\"))@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.', ...
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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?

The "N+1 selects problem" is generally stated as a problem in Object-Relational mapping (ORM) discussions, and I understand that it has something to do with having to make a lot of database queries for something that seems simple in the object world. ...
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JavaScript - get the first day of the week from current date

... This is great except this function should be called "setToMonday" as it modifies the date object passed in. getMonday, would return a new Date that is the monday based on the date passed in. A subtle difference, but one that caught me after using this function. Easiest f...
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Getting the location from an IP address [duplicate]

... You could download a free GeoIP database and lookup the IP address locally, or you could use a third party service and perform a remote lookup. This is the simpler option, as it requires no setup, but it does introduce additional latency. One third party service you could use is mine, http://...
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How do I find out my python path using python?

...ent variable. To query the variable directly, use: import os try: user_paths = os.environ['PYTHONPATH'].split(os.pathsep) except KeyError: user_paths = [] share | improve this answer ...
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Passing arguments to C# generic new() of templated type

...tion you must constrain it with the "new" flag. public static string GetAllItems<T>(...) where T : new() However that will only work when you want to call the constructor which has no parameters. Not the case here. Instead you'll have to provide another parameter which allows for the cr...