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addEventListener vs onclick

...r implement javascript differently from pretty much every other browser. With versions less than 9, you use the attachEvent[doc] method, like this: element.attachEvent('onclick', function() { /* do stuff here*/ }); In most other browsers (including IE 9 and above), you use addEventListener[doc]...
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What does the 'b' character do in front of a string literal?

...on 2.x documentation: A prefix of 'b' or 'B' is ignored in Python 2; it indicates that the literal should become a bytes literal in Python 3 (e.g. when code is automatically converted with 2to3). A 'u' or 'b' prefix may be followed by an 'r' prefix. The Python 3 documentation state...
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Find full path of the Python interpreter?

... do I find the full path of the currently running Python interpreter from within the currently executing Python script? 3 A...
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nonlocal keyword in Python 2.x

...ement a closure in Python 2.6 and I need to access a nonlocal variable but it seems like this keyword is not available in python 2.x. How should one access nonlocal variables in closures in these versions of python? ...
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What is a NullReferenceException, and how do I fix it?

I have some code and when it executes, it throws a NullReferenceException , saying: 28 Answers ...
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Unique Constraint in Entity Framework Code First

... As far as I can tell, there's no way to do this with Entity Framework at the moment. However, this isn't just a problem with unique constraints... you may want to create indexes, check constraints, and possibly triggers and other constructs too. Here's a simple pattern yo...
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Retrieve database or any other file from the Internal Storage using run-as

...ate to the data folder containing the database using the run-as command with my package name. Most files types I am content with just viewing, but with the database I would like to pull if from the android device. ...
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Passing current scope to an AngularJS Service

Is it correct to pass the "current" $scope to an AngularJS service? 4 Answers 4 ...
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How can I apply a function to every row/column of a matrix in MATLAB?

You can apply a function to every item in a vector by saying, for example, v + 1 , or you can use the function arrayfun . How can I do it for every row/column of a matrix without using a for loop? ...
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How do I export UIImage array as a movie?

I have a serious problem: I have an NSArray with several UIImage objects. What I now want to do, is create movie from those UIImages . But I don't have any idea how to do so. ...