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ActiveRecord, has_many :through, and Polymorphic Associations
...on't work together. If you try to access them directly, it should throw an error.
If i am not mistaken, you have to hand write widget.people and the push routine.
I don't think it is a bug, it is just something which hasn't been implemented yet. I would imagine we see it in the feature, because eve...
Calculating the difference between two Java date instances
... This actually does not work correctly in Android. Rounding errors exist. Example 19th to 21st May says 1 day because it casts 1.99 to 1. Use round before casting to int.
– Pratik Mandrekar
May 1 '13 at 14:51
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Return value in a Bash function
... an exit code of 0 is considered success and therefore "true". Non-zero is error and therefore false. Think of fun1 || fun2 as shorthand for "if fun1 returns success or fun2 returns success" rather than an operator on the actual return values themselves.
– davidA
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Regular expression for a string that does not start with a sequence
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edited May 22 '09 at 20:05
answered May 22 '09 at 18:57
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When do we need curly braces around shell variables?
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Biclops
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answered Jan 5 '12 at 20:05
Aaron McDaidAaron McDaid
23.7k88...
How to get box-shadow on left & right sides only
...ter solution (2020). Look at Luke's answer below: stackoverflow.com/a/62367058/760777
– RWC
Jun 22 at 1:55
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Does this app use the Advertising Identifier (IDFA)? - AdMob 6.8.0
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edited Apr 1 '17 at 1:05
Roberto
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answered Sep...
Remove autolayout (constraints) in Interface Builder
...er. Thanks!
– Nick
Oct 30 '12 at 17:05
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I had to remove the "Use Auto Layout" to enable affine t...
Do you use NULL or 0 (zero) for pointers in C++?
...if you use NULL, in a plain code without complex header, you will find the error of "NULL is not defined in this scope"..
– ArtificiallyIntelligence
Nov 12 '17 at 23:07
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Can two applications listen to the same port?
...ort already. This enables you to get around those "Address already in use" error messages when you try to restart your server after a crash.
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