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Why does direction of index matter in MongoDB?

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Pandas aggregate count distinct

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Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?

...in other languages. This means that the following code always prints 1, 2, 3, 4, 5 regardless of the value of B. A = 1:5; for i = A A = B; disp(i); end If you want to be able to respond to changes in the data structure during iterations, a WHILE loop may be more appropriate --- you'll be...
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How to get a substring of text?

I have text with length ~700. How do I get only ~30 of its first characters? 5 Answers ...
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Hex representation of a color with alpha channel?

Is there a W3 or any other noteworthy standard on how to represent a color (including alpha channel) in hex format? 5 Answe...
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emacs zoom in/zoom out

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How to suppress specific MSBuild warning

Is there any way to disable specific MSBuild warning (e.g. MSB3253) when running MSBuild from command line? My build script calls msbuild.exe much the following way: ...
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Get value of dynamically chosen class constant in PHP

... Brad 140k3737 gold badges282282 silver badges452452 bronze badges answered May 27 '11 at 2:20 Dan SimonDan Sim...
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cout is not a member of std

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Rails mapping array of hashes onto single hash

... 163 You could compose Enumerable#reduce and Hash#merge to accomplish what you want. input = [{"test...