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What are Vertex Array Objects?

...://openglbook.com/the-book/ I got to chapter 2, where I draw a triangle, and I understand everything except VAOs (is this acronym OK?). The tutorial has this code: ...
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Formatting floats without trailing zeros

...t formatting rather than scientific notation, etc etc. Yeah, not as slick and elegant as %g, but, it works (and I don't know how to force %g to never use scientific notation;-). share | improve thi...
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Difference between DateTime and Time in Ruby

What's the difference between DateTime and Time classes in Ruby and what factors would cause me to choose one or the other? ...
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Shell equality operators (=, ==, -eq)

Can someone please explain the difference between = , == and -eq in shell scripting? 4 Answers ...
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Why does this go into an infinite loop?

...ew MutableInt(valueBeforeIncrement); } Right? Increment the value passed and return the original value: that's the definition of the postincrement operator. Now, let's see how this behavior plays out in your example code: MutableInt x = new MutableInt(); x = postIncrement(x); postIncrement(x) ...
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initialize a numpy array

Is there way to initialize a numpy array of a shape and add to it? I will explain what I need with a list example. If I want to create a list of objects generated in a loop, I can do: ...
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Razor HtmlHelper Extensions (or other namespaces for views) Not Found

...nsure you have the right config values. Note that you might need to close and reopen the file for the changes to be picked up by the editor. share | improve this answer | fo...
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What is the difference between CMD and ENTRYPOINT in a Dockerfile?

In Dockerfiles there are two commands that look similar to me: CMD and ENTRYPOINT . But I guess that there is a (subtle?) difference between them - otherwise it would not make any sense to have two commands for the very same thing. ...
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What Are the Differences Between PSR-0 and PSR-4?

Recently I've read about namespaces and how they are beneficial. I'm currently creating a project in Laravel and trying to move from class map autoloading to namespacing. However, I can't seem to grasp what the actual difference is between PSR-0 and PSR-4. ...
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Count work days between two dates

... @greektreat It works fine. It's just that both @StartDate and @EndDate are included in the count. If you want Monday to Tuesday to count as 1 day, just remove the "+ 1" after the first DATEDIFF. Then you'll also get Fri->Sat=0, Fri->Sun=0, Fri->Mon=1. –...