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How to add “on delete cascade” constraints?

...fkey foreign key (gid) references games(gid) on delete cascade; If you don't know the name of the foreign key constraint you want to drop, you can either look it up in pgAdminIII (just click the table name and look at the DDL, or expand the hierarchy until you see "Constraints"), or you c...
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Counting the number of option tags in a select tag in jQuery

... get the number of selected options. This can be useful to disable buttons if a certain minimum number of options aren't met. function refreshButtons () { if ($('#input :selected').length == 0) { $('#submit').attr ('disabled', 'disabled'); } else { $('#submit').r...
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Initializing a member array in constructor initializer

... This is a bad idea, because if you change that array, it's changed for all instances of that class. – morty Jun 25 '18 at 10:40 ...
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What is the difference between Culture and UICulture?

Could someone give me a bit more information on the difference between Culture and UICulture within the .NET framework? What they do and when to use what? ...
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How to pass macro definition from “make” command line arguments (-D) to C source code?

...se "override CFLAGS += -Wall", but generally we recommend you just choose different variables internally. The GNU Coding Standards require CFLAGS etc. be left for the user, and makefiles choose another variable, like "local_CFLAGS = $(CFLAGS) -Wall". – MadScientist ...
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How to select date without time in SQL

...APPROVED_DATE datetime , how i will convert it ? error The multi-part identifier "LAB_RESULTS.APPROVED_DATE" could not be bound. – Abdullah May 27 at 11:51 add a comment ...
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What is the best way to profile javascript execution? [closed]

...rendering tree would be perfect. I think this would give a good impression if the performance is killed in my code, in DOM preparation or in updates to the rendering tree/visual. ...
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Is there a good JavaScript minifier? [closed]

What JavaScript minifier do you recommend? 9 Answers 9 ...
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How to create a colored 1x1 UIImage on the iPhone dynamically?

... can use CGContextSetFillColorWithColor and CGContextFillRect for this: Swift extension UIImage { class func image(with color: UIColor) -> UIImage { let rect = CGRectMake(0.0, 0.0, 1.0, 1.0) UIGraphicsBeginImageContext(rect.size) let context = UIGraphicsGetCurrentCon...
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Does MySQL included with MAMP not include a config file?

...art servers Not required to change ownership of file, it should work. Verify by running SHOW VARIABLES in phpmyadmin and look for your changed setting. share | improve this answer | ...