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When and why to 'return false' in JavaScript?

...s, such as onsubmit, returning false is a way to tell the event to not actually fire. So, say, in the onsubmit case, this would mean that the form is not submitted. share | improve this answer ...
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How to get the next auto-increment id in mysql

... Thanks for the first two options.. But the third is just number two called from PHP.. Not sure what makes that faster on large databases... – Gerard ONeill Feb 12 '16 at 15:26 ...
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JavaScript post request like a form submit

...y: post('/contact/', {name: 'Johnny Bravo', csrfmiddlewaretoken: $("#csrf_token").val()}); – Davidson Lima Nov 22 '17 at 16:09 ...
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Using multiple arguments for string formatting in Python (e.g., '%s … %s')

...swered Jul 18 '14 at 17:49 Lordn__nLordn__n 31411 silver badge1111 bronze badges ...
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Can an interface extend multiple interfaces in Java?

...in of the diamond problem?) __Tried it and the sensible thing happens: not allowed if the return type is different. – Daniel Jan 6 '15 at 17:38 ...
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Django Model - Case-insensitive Query / Filtering

... I solved it like this: MyClass.objects.filter(name__iexact=my_parameter) There is even a way to use it for substring search: MyClass.objects.filter(name__icontains=my_parameter) There's a link to the documentation. ...
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How to declare a variable in a PostgreSQL query

...WITH () query which can work as a variable, or even tuple of variables. It allows you to return a table of temporary values. WITH master_user AS ( SELECT login, registration_date FROM users WHERE ... ) SELECT * FROM users WHERE master_login = (SELECT login ...
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Static link of shared library function in gcc

How can I link a shared library function statically in gcc? 6 Answers 6 ...
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How does HTTP file upload work?

...?) always threaded so that they can handle concurrent connections. Essentially, the daemon process that's listening on port 80 immediately hands off the task of serving to another thread/process in order that it can return to listening for another connection; even if two incoming connections arrive...
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How do I break out of a loop in Perl?

...nd assuming you were just feeding given some scalar variable... but why do all that work just to use a break, it is (very) bad form, not to mention (blah!)just saying, its "possible" just not a good idea & not what you may think it is – osirisgothra Sep 1 '...