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jQuery: Count number of list elements?
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gsamaras
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answered Mar 3 '09 at 11:12
cletuscletus...
What is Serialization?
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Andrew BarnettAndrew Barnett
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time.sleep — sleeps thread or process?
...Which will print:
>>> thread_test.run()
0
100
>>> 1
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101
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102
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How can I check for NaN values?
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edited Jul 22 '19 at 11:42
Boris
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answered Jun ...
UIActivityViewController crashing on iOS 8 iPads
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On iPad the activity view controller will be displayed as a popover using the new UIPopoverPre...
What are five things you hate about your favorite language? [closed]
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Build fat static library (device + simulator) using Xcode and SDK 4+
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ALTERNATIVES:
Easy copy/paste of latest version (but install instructions may change - see belo...
Convert datetime object to a String of date only in Python
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gizzmole
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answered May 16 '12 at 19:01
LevonLevon
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Core Data: Quickest way to delete all instances of an entity
...und in the "What's New in Core Data" session from WWDC 2015 (starting at ~14:10).
iOS 8 and earlier:
Fetch 'em all and delete 'em all:
NSFetchRequest *allCars = [[NSFetchRequest alloc] init];
[allCars setEntity:[NSEntityDescription entityForName:@"Car" inManagedObjectContext:myContext]];
[allCars...
Run a single migration file
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You can just run the code directly out of the ruby file:
rails console
>> require "db/mi...