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Rails :dependent => :destroy VS :dependent => :delete_all
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202
The difference is with the callback.
The :delete_all is made directly in your application and...
How to get an array of specific “key” in multidimensional array without looping
... you go.
– Progrock
Dec 8 '19 at 21:20
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How can I reset a react component including all transitively reachable state?
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206
To ensure that the implicit browser state you mention and state of children is reset, you can ...
How to switch a user per task or set of tasks?
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answered Mar 30 '14 at 20:58
BrettBrett
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How to prevent gcc optimizing some statements in C?
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edited May 19 '16 at 17:20
answered Feb 8 '10 at 5:53
Die...
Running multiple commands in one line in shell
...sh.html#Lists
– flow2k
Jul 2 '18 at 20:56
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What does -D_XOPEN_SOURCE do/mean?
...0 - X/Open 5, incorporating POSIX 1995
600 - X/Open 6, incorporating POSIX 2004
700 - X/Open 7, incorporating POSIX 2008
You can tell which one you need (if any) by looking at the man page for each function you call.
For example, man strdup says:
Feature Test Macro Requirements for glibc (see...
Rails: how do I validate that something is a boolean?
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BudgieBudgie
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Does Git Add have a verbose switch
...ine.
– cristianoms
Dec 11 '19 at 10:20
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What is Prefix.pch file in Xcode?
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edited Jun 20 at 9:12
Community♦
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answered May 14 '14 at 7:55
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