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Rails 4: before_filter vs. before_action
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As we can see in ActionController::Base, before_action is just a new syntax for before_filter.
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Swapping column values in MySQL
...t. This method doesn't swap the values if one of them is NULL. Use method #3 that doesn't have this limitation.
UPDATE swap_test SET x=y, y=@temp WHERE (@temp:=x) IS NOT NULL;
This method was offered by Dipin in, yet again, the comments of http://beerpla.net/2009/02/17/swapping-column-values-in-mys...
jQuery “Does not have attribute” selector?
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How can I set the text of a WPF Hyperlink via data binding?
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How to make an ng-click event conditional?
...ed is true.
Here goes both solutions: http://plnkr.co/edit/5d5R5KfD4PCE8vS3OSSx?p=preview
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how to change directory using Windows command line
I'm using cmd.exe (C:\WINDOWS\System32\cmd.exe) and I have to change my current directory to "D:\temp" i.e. temp folder in the D drive.
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What is the “Temporary ASP.NET Files” folder for?
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Django - iterate number in for loop of a template
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Use NUnit Assert.Throws method or ExpectedException attribute?
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answered Feb 21 '13 at 23:59
chue xchue x
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Two sets of parentheses after function call
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