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Difference between $(document.body) and $('body')

...tatement is not completely correct. They may refer to the same element. Usually even. But not always :). See my answer below. – jvenema Feb 28 '18 at 22:28 add a comment ...
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How to use a custom comparison function in Python 3?

...e a workaround, but I think I am going to lose some performance by passing all the comparison operators < > = to middle man, since my original custom sort is written in C , it had around 1/2x speed of default sort. – YOU Mar 28 '10 at 5:26 ...
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How does the vim “write with sudo” trick work?

Many of you have probably seen the command that allows you to write on a file that needs root permission, even when you forgot to open vim with sudo: ...
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CSS performance relative to translateZ(0)

...xt, and the pseudo elements are stacked on top rather than below. So basically, don't do that. Apply a 3D transformation only when you need the optimization. -webkit-font-smoothing: antialiased; is another way to tap into 3D acceleration without creating these problems, but it only works in Safari....
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Closing Hg Branches

... a central repo that is shared amongst developers, is there a way to eventually close the FeatureBranchName when its development has officially been merged with the default branch? ...
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Clone contents of a GitHub repository (without the folder itself)

...n GitHub . When I git clone (git@github:me/name.git...) I get a folder called name/ and inside name I have my contents... How do I get JUST the contents? ...
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Check if my app has a new version on AppStore

I would like to manually check if there are new updates for my app while the user is in it, and prompt him to download the new version. Can I do this by checking the version of my app in the app store - programatically? ...
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What is the fastest way to compute sin and cos together?

.... If you need strong optimization, perhaps you should use it. Here is a small example: http://home.broadpark.no/~alein/fsincos.html Here is another example (for MSVC): http://www.codeguru.com/forum/showthread.php?t=328669 Here is yet another example (with gcc): http://www.allegro.cc/forums/thread...
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AngularJS: ng-repeat list is not updated when a model element is spliced from the model array

...you do some form of operation outside of AngularJS, such as doing an Ajax call with jQuery, or binding an event to an element like you have here you need to let AngularJS know to update itself. Here is the code change you need to do: app.directive("remove", function () { return function (scope,...
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How to dynamically build a JSON object with Python?

I am new to Python and I am playing with JSON data. I would like to dynamically build a JSON object by adding some key-value to an existing JSON object. ...