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Run a callback only if an attribute has changed in Rails
...eprecated in Rails 5.1, now just use will_save_change_to_attribute?.
For more information, see this issue.
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How to handle button clicks using the XML onClick within Fragments
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Rails 3: I want to list all paths defined in my rails application
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Furthermore, if you want to check whether a given path is recognized by your app's router, see this.
– XåpplI'-I0llwlg'I -
Aug 21 '15 at 7:21
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Remove leading or trailing spaces in an entire column of data
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How does “304 Not Modified” work exactly?
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How to check whether an array is empty using PHP?
...the $gameresult array into $gamerow ? In this case it would probably be more efficient to skip exploding the $playerlist if it's empty, but for the sake of argument, how would I check if an array is empty as well?
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How can I convert a file pointer ( FILE* fp ) to a file descriptor (int fd)?
... the comment section of OP's post a month before this was written. This is more of a logic clarification as opposed to real information.
– kevr
Feb 1 '18 at 15:03
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What is the difference between -viewWillAppear: and -viewDidAppear:?
...derstanding the difference between these three, but you just cleared it up more than perfectly @ChetanBhalara
– Chisx
Jan 12 '14 at 19:54
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How to copy directories in OS X 10.7.3?
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