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UICollectionView reloadData not functioning properly in iOS 7

...lost two days on it because I could not understand what was happening, and now that I applied your solution and that it works, I still do not understand why it is now working. That's so frustrating ! Anyway, thanks for the help :D !! – CyberDandy Dec 29 '14 at ...
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Reset select2 value and show placeholder

...er Select2 versions. Use $element.val() instead. The best way to do this now is: $('#your_select_input').val(''); Edit: December 2016 Comments suggest that the below is the updated way to do this: $('#your_select_input').val([]); ...
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How do you run JavaScript script through the Terminal?

...owser global vars which helps a lot, though I can't find the docs for this now.) share | improve this answer | follow | ...
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How can I debug a .BAT script?

...uld like to see what is the order in which they are called, so that I may know where exactly I have to go about and add my modifications. ...
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Rails create or update magic?

... Oh... I see what you meant now - that both forms, find_or_initialize_by and find_or_create_by accept a block. I thought you meant that whether the record exists or not, a block will be passed down with the record object as an argument, in order to do t...
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Method call if not null in C#

...void SafeInvoke(this Action action) { if(action != null) action(); } now this is valid: Action act = null; act.SafeInvoke(); // does nothing act = delegate {Console.WriteLine("hi");} act.SafeInvoke(); // writes "hi" In the case of events, this has the advantage of also removing the race-con...
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How to establish a connection pool in JDBC?

...etAcquireIncrement(5); cpds.setMaxPoolSize(20); // The DataSource cpds is now a fully configured and usable pooled DataSource But if you are running inside an application server, I would recommend to use the built-in connection pool it provides. In that case, you'll need to configure it (refer t...
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Total width of element (including padding and border) in jQuery

...t the time where not adequate by themselves to calculate the whole width. Now, as J-P correctly states, jQuery has the functions outerWidth and outerHeight which include the border and padding by default, and also the margin if the first argument of the function is true [Original answer] The w...
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SHA1 vs md5 vs SHA256: which to use for a PHP login?

... second, you want to remove liability in case of security breach. I don't know of any lawsuits offhand, but leaking passwords makes your company look really bad. – James McMahon Feb 5 '14 at 13:50 ...
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Running junit tests in parallel in a Maven build?

... From junit 4.7 it's now possible to run tests in parallel without using TestNG. Actually it has been possible since 4.6, but there are a number of fixes being made in 4.7 that will make it a viable option. You may also run parallel tests with sp...