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jquery variable syntax [duplicate]

... 2; alert($ + $$); jQuery just assigns it's core function to a variable called $. The code you have assigns this to a local variable called self and the results of calling jQuery with this as an argument to a global variable called $self. It's ugly, dirty, confusing, but $, self and $self are all...
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How to use setInterval and clearInterval?

Hi all, 5 Answers 5 ...
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How do I find which rpm package supplies a file I'm looking for?

...ly would come with the php-devel package. I guessed that yum would install the mod_files.sh file with the php-devel x86_64 5.1.6-23.2.el5_3 package, but the file appears to not to be installed on my filesystem. ...
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AngularJS error: 'argument 'FirstCtrl' is not a function, got undefined'

... answered Sep 18 '14 at 17:32 MariuszMariusz 2,32011 gold badge1717 silver badges2222 bronze badges ...
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How to catch SQLServer timeout exceptions

... Roland PihlakasRoland Pihlakas 3,39111 gold badge3232 silver badges5858 bronze badges add a comment ...
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How to convert wstring into string?

...e <locale> #include <vector> int main() { std::setlocale(LC_ALL, ""); const std::wstring ws = L"ħëłlö"; const std::locale locale(""); typedef std::codecvt<wchar_t, char, std::mbstate_t> converter_type; const converter_type& converter = std::use_facet<converter...
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Mixins vs. Traits

... jk_jk_ 4,87633 gold badges2121 silver badges2323 bronze badges 5 ...
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Why call git branch --unset-upstream to fixup?

.... Once local branch L is set to track remote-tracking branch R, Git will call R its "upstream" and tell you whether you're "ahead" and/or "behind" the upstream (in terms of commits). It's normal (even recommend-able) for the local branch and remote-tracking branches to use the same name (except fo...
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Left Align Cells in UICollectionView

...ep their size, add the following at the top of the closure in the forEach call: guard layoutAttribute.representedElementCategory == .cell else { return } Objective-C: - (NSArray *)layoutAttributesForElementsInRect:(CGRect)rect { NSArray *attributes = [super layoutAttributesForElementsI...
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How to query MongoDB with “like”?

... Actually, it depends. If the query doesn't use an index, and must do a table scan, then it can certainly be expensive. If you're doing a 'starts with' regex query, then that can use an index. Best to run an explain() to see what'...