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Python: reload component Y imported with 'from X import Y'?

...nce I have imported a module X in an interpreter session using import X , and the module changes on the outside, I can reload the module with reload(X) . The changes then become available in my interpreter session. ...
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In javascript, is an empty string always false as a boolean?

... Yes. Javascript is a dialect of ECMAScript, and ECMAScript language specification clearly defines this behavior: ToBoolean The result is false if the argument is the empty String (its length is zero); otherwise the result is true Quote taken from http://www.ecma-inte...
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Proper way to rename solution (and directories) in Visual Studio

...1 to be Project2, using a text editor like NotePad. Restart Visual Studio, and everything will work as before, but with the project in a different directory. You can also see renaming solution manually or post which describes this manual process. Advantages You can make the directory within Win...
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What is the smallest possible valid PDF?

...oy. Acrobat opens it, but it complains somewhat. There is one page in it and it is 3/72" square, the minimum allowed by the spec. However, Acrobat X doesn't even bother with the cross reference table anymore, so we can take that out: %PDF-1.0 1 0 obj<</Type/Catalog/Pages 2 0 R>>endo...
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Animate scrollTop not working in firefox

...llback to be invoked twice. Browser-detection features have been suggested and subsequently deprecated, and some are arguably rather far-fetched. If the callback is idempotent and doesn't require a lot of computing power, firing it twice may be a complete non-issue. If multiple invocations of the c...
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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?

...e copying. Use the reference operator to copy an array by reference. And the given example : <?php $arr1 = array(2, 3); $arr2 = $arr1; $arr2[] = 4; // $arr2 is changed, // $arr1 is still array(2, 3) $arr3 = &$arr1; $arr3[] = 4; // now $arr1 and $arr3 are the same ?> ...
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“Could not find any information for class named ViewController”

...roject. Steps: In the project file explorer (left panel) find the class and right click -> Delete Remove reference (do not move to trash as you will lose the class for good) Right click on the folder that contained the class -> Add files to ... Find the class you just deleted in the file sy...
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Global and local variables in R

I am a newbie for R, and I am quite confused with the usage of local and global variables in R. 3 Answers ...
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Use tab to indent in textarea

... } }); jQuery: How to capture the TAB keypress within a Textbox How to handle <tab> in textarea? http://jsfiddle.net/jz6J5/ share | improve this answer | follow ...
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How to perform .Max() on a property of all objects in a collection and return the object with maximu

...rating through the data, remembering the maximum element we've seen so far and the maximum value it produced under the projection. In your case you'd do something like: var item = items.MaxBy(x => x.Height); This is better (IMO) than any of the solutions presented here other than Mehrdad's se...