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find() with nil when there are no records
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173
Yes, just do:
Challenge.find_by_id(10)
For Rails 4 and 5:
Challenge.find_by(id: 10)
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Using Predicate in Swift
... ChuckChuck
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JUnit test with dynamic number of tests
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answered Dec 11 '08 at 10:32
bruno condebruno conde
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How to get the instance id from within an ec2 instance?
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32 Answers
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What is the right way to check for a null string in Objective-C?
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397
As others have pointed out, there are many kinds of "null" under Cocoa/Objective C. But one f...
How to configure socket connect timeout
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antiduh
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answered Jan 16 '11 at 23:21
FlappySocksFlappySocks
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Tool to Unminify / Decompress JavaScript [closed]
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Fabien MénagerFabien Ménager
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undefined reference to `__android_log_print'
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edited Jun 4 '13 at 12:57
Tim Cooper
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Android webview slow
My android webviews are slow. This is on everything from phones to 3.0+ tablets with more than adequate specs
10 Answer...
How do I find the PublicKeyToken for a particular dll?
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293
Using PowerShell, you can execute this statement:
([system.reflection.assembly]::loadfile("c:\M...