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How to add 30 minutes to a JavaScript Date object?

I'd like to get a Date object which is 30 minutes later than another Date object. How do I do it with JavaScript? 19 Answe...
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How to convert 2D float numpy array to 2D int numpy array?

... Use the astype method. >>> x = np.array([[1.0, 2.3], [1.3, 2.9]]) >>> x array([[ 1. , 2.3], [ 1.3, 2.9]]) >>> x.astype(int) array([[1, 2], [1, 2]]) share ...
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map vs. hash_map in C++

... 134 They are implemented in very different ways. hash_map (unordered_map in TR1 and Boost; use tho...
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CSS Selector that applies to elements with two classes

...attribute being set to two specific classes. For example, let's say I have 3 divs: 1 Answer ...
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Enable Vim Syntax Highlighting By Default

... system (Arch Linux, and Mac, thanks @totophe), it's in /usr/share/vim/vim73. On Windows, it's in \Program Files\Vim\vim73. share | improve this answer | follow ...
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MySQL: Order by field size/length

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How to reset a remote Git repository to remove all commits?

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Docker: adding a file from a parent directory

... 231 You can build the Dockerfile from the parent directory: docker build -t <some tag> -f &l...
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Save image from URL by paperclip

... Nicolas BlancoNicolas Blanco 10.2k55 gold badges3434 silver badges4949 bronze badges 7 ...
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How to make clang compile to llvm IR

... | edited Nov 24 '13 at 18:05 answered Feb 5 '12 at 12:56 ...