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Should I use `import os.path` or `import os`?

...ant to use rather than a thing in the os module, so even though it's not really a submodule of a package called os, I import it sort of like it is one and I always do import os.path. This is consistent with how os.path is documented. Incidentally, this sort of structure leads to a lot of Python p...
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Is it possible to GROUP BY multiple columns using MySQL?

...garding SUM using with GROUP BY. If GROUP BY only by one column, then SUMs all values of each distinct (different) the column value sqlfiddle.com/#!9/1cbde2/2. If GROUP BY two columns. Then mysql at first checks if for the first column value there are different values in the second column. If yes, t...
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Portable way to get file size (in bytes) in shell?

... One would guess the portable ls -ln FILE | { read _ _ _ _ size _ && echo "$size"; } needs not fork for the second step of the pipeline, as it uses just built-ins, but Bash 4.2.37 on Linux forks twice (still only one execve, though). – Palec ...
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Detecting request type in PHP (GET, POST, PUT or DELETE)

... By using $_SERVER['REQUEST_METHOD'] Example if ($_SERVER['REQUEST_METHOD'] === 'POST') { // The request is using the POST method } For more details please see the documentation for the $_SERVER variable. ...
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Calling a function when ng-repeat has finished

What I am trying to implement is basically a "on ng repeat finished rendering" handler. I am able to detect when it is done but I can't figure out how to trigger a function from it. ...
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LEFT JOIN only first row

... Thanks for your fast response. This was not the exact answer, but totally got me on the right way. I always tried to join both on the same level instead of making the one depended from the other. Thank you very much for leading me on the right track. Edited the first post ...
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Can the Android drawable directory contain subdirectories?

In the Android SDK documentation, all of the examples used with the @drawable/my_image xml syntax directly address images that are stored in the res/drawable directory in my project. ...
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Continuously read from STDOUT of external process in Ruby

...iven by blender line by line to update a progress bar in a GUI. It's not really important that blender is the external process whose stdout I need to read. ...
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vs2010编译boost若干问题解决 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...径——“C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\x86_ia64”。再次运行“bootstrap.bat”,提示找不到“mspdb100.dll”,继续在环境变量中添加了路径——“C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE ”。 继续编译,还是不过...
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How to determine height of UICollectionView with FlowLayout

...y question: I was completely searching in the wrong place, digging through all the documentation I could find on UICollectionView. The simple and easy solution lies in the underlying layout: Just call collectionViewContentSize on your myCollectionView.collectionViewLayout property and you get the h...