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Backbone.js: `extend` undefined?

Just getting started with Backbone.js. Simply including Backbone (either dev/production versions) causes the error: 3 Answe...
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Datatable vs Dataset

I currently use a DataTable to get results from a database which I can use in my code. 7 Answers ...
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How do I negate a condition in PowerShell?

How do I negate a conditional test in PowerShell? 4 Answers 4 ...
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jQuery check if an input is type checkbox?

I'd like to find out if an input is a checkbox or not, and the following doesn't work: 6 Answers ...
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Python list iterator behavior and next(iterator)

Consider: 6 Answers 6 ...
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Selecting the first “n” items with jQuery

With Jquery, I need to select just the first "n" items from the page, for example the first 20 links instead of selecting all of them with the usual ...
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How to access array elements in a Django template?

I am getting an array arr passed to my Django template. I want to access individual elements of the array in the array (e.g. arr[0] , arr[1] ) etc. instead of looping through the whole array. ...
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Pythonic way of checking if a condition holds for any element of a list

I have a list in Python, and I want to check if any elements are negative. Specman has the has() method for lists which does: ...
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How to get a DOM Element from a JQuery Selector

I'm having an impossibly hard time finding out to get the actual DOMElement from a jquery selector. Sample Code: 4 Answers...
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Get distance between two points in canvas

I have canvas drawing tab and want lineWidth to be based on distance between two last mousemove coordinate updates. I will make translation of distance to width myself, I just need to know how to get distance between those points (I already have coordinates of those pointes). ...