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Understanding dispatch_async
...dispatch_async(dispatch_get_global_queue( DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(void){
//Background Thread
dispatch_async(dispatch_get_main_queue(), ^(void){
//Run UI Updates
});
});
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Rails: around_* callbacks
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180
around_* callbacks are invoked before the action, then when you want to invoke the action itself...
What command opens Ruby's REPL?
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answered Nov 2 '12 at 10:00
Jörg W MittagJörg W Mittag
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Need command line to start web browser using adb
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200
Running this command will start a web browser in android:
adb shell am start -a android.intent...
Map and Reduce in .NET
...as it albeit under different names.
Map is Select:
Enumerable.Range(1, 10).Select(x => x + 2);
Reduce is Aggregate:
Enumerable.Range(1, 10).Aggregate(0, (acc, x) => acc + x);
Filter is Where:
Enumerable.Range(1, 10).Where(x => x % 2 == 0);
https://www.justinshield.com/2011/06/mapr...
Create RegExps on the fly using string variables
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answered Dec 6 '10 at 22:27
meder omuralievmeder omuraliev
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What's the difference between MemoryCache.Add and MemoryCache.Set?
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edited Nov 15 '16 at 7:00
CodeNotFound
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Can you define aliases for imported modules in Python?
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answered Apr 1 '09 at 17:34
vartecvartec
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Using git to get just the latest revision
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edited Sep 10 at 11:55
ma11hew28
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postgresql - replace all instances of a string within text field
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Vitaly Zdanevich
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answered Feb 20 '11 at 22:35
Jerome WAGNERJerome...