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What is the difference between '/' and '//' when used for division?

... In Python 3.x, 5 / 2 will return 2.5 and 5 // 2 will return 2. The former is floating point division, and the latter is floor division, sometimes also called integer division. In Python 2.2 or later in the 2.x line, there is no difference for integers unless y...
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How do you render primitives as wireframes in OpenGL?

... glPolygonMode( GL_FRONT_AND_BACK, GL_LINE ); to switch on, glPolygonMode( GL_FRONT_AND_BACK, GL_FILL ); to go back to normal. Note that things like texture-mapping and lighting will still be applied to the wireframe lines if they're enabled, w...
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What is DOM Event delegation?

Can anyone please explain event delegation in JavaScript and how is it useful? 11 Answers ...
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Why aren't Java Collections remove methods generic?

... Josh Bloch and Bill Pugh refer to this issue in Java Puzzlers IV: The Phantom Reference Menace, Attack of the Clone, and Revenge of The Shift. Josh Bloch says (6:41) that they attempted to generify the get method of Map, remove meth...
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What is duck typing?

I came across the term duck typing while reading random topics on software online and did not completely understand it. 1...
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What's the purpose of git-mv?

From what I understand, Git doesn't really need to track file rename/move/copy operations, so what's the real purpose of git mv ? The man page isn't specially descriptive... ...
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What are the differences between a multidimensional array and an array of arrays in C#?

What are the differences between multidimensional arrays double[,] and array-of-arrays double[][] in C#? 9 Answers ...
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Writing Unicode text to a text file?

I'm pulling data out of a Google doc, processing it, and writing it to a file (that eventually I will paste into a Wordpress page). ...
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Building a notification system [closed]

...ing a Facebook style notification system for our page (social gaming type) and I'm now researching what would be the best way to design such system. I'm not interested in how to push notifications to the user or anything like that (for now even). I am researching how to build the system on the serve...
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Tool to convert Python code to be PEP8 compliant

...ode is compliant with PEP8, for example there is both an online service and a python module . 6 Answers ...