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How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?

...d = "new value";. So jQuery creates a local "undefined" variable that is REALLY undefined. The window variable is made local for performance reasons. Because when JavaScript looks up a variable, it first goes through the local variables until it finds the variable name. When it's not found, JavaScr...
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Difference between 'self' and 'total' in Chrome CPU Profile of JS

...otal is how much time was spent in that function, and in the functions it called. share | improve this answer | follow | ...
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Correct way to write loops for promise.

How to correctly construct a loop to make sure the following promise call and the chained logger.log(res) runs synchronously through iteration? (bluebird) ...
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Function overloading by return type?

Why don't more mainstream statically typed languages support function/method overloading by return type? I can't think of any that do. It seems no less useful or reasonable than supporting overload by parameter type. How come it's so much less popular? ...
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Android phone orientation overview including compass

... Roll is a function of gravity, a 90 degree roll puts all of gravity into the x register. Pitch is the same, a 90 degree pitch up puts all of the component of gravity into the y register. Yaw / Heading / azimuth has no effect on gravity, it is ALWAYS at right angles to gravity...
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Why use Dijkstra's Algorithm if Breadth First Search (BFS) can do the same thing faster?

... Dijkstra allows assigning distances other than 1 for each step. For example, in routing the distances (or weights) could be assigned by speed, cost, preference, etc. The algorithm then gives you the shortest path from your source to e...
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What is the best way to compare floats for almost-equality in Python?

...the magnitudes of the two arguments; as the values get larger, so does the allowed difference between them while still considering them equal. abs_tol is an absolute tolerance that is applied as-is in all cases. If the difference is less than either of those tolerances, the values are considered eq...
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Any reason not to start using the HTML 5 doctype? [closed]

... Well consider this: When serving as text/html, all you need a doctype for is to trigger standards mode. Beyond that, the doctype does nothing as far as browsers are concerned. When serving as text/html, whether you use XHTML markup or HTML markup, it's treated by browser...
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Create zip file and ignore directory structure

... sometime it just doesn't work... prefer @czerasz link ;) which basically is a pushd popd combo – TecHunter Oct 28 '16 at 8:33 add a comment  |  ...
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Sublime as default editor

... Actually it is not my answer, I have just googled it: Open regedit (Win+R, type "regedit", select OK). Navigate to HKEY_CLASSES_ROOT\Applications\sublime_text.exe\shell\open\command Verify that the path is accurate, correct it ...