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Running unittest with typical test directory structure

...on -m unittest test.test_antigravity.GravityTestCase.test_method Running all tests: You can also use test discovery which will discover and run all the tests for you, they must be modules or packages named test*.py (can be changed with the -p, --pattern flag): $ cd new_project $ python -m unitte...
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Append an object to a list in R in amortized constant time, O(1)?

...irthday. Some kind readers keep repeating any shortcomings with it, so by all means also see some of the comments below. One suggestion for list types: newlist <- list(oldlist, list(someobj)) In general, R types can make it hard to have one and just one idiom for all types and uses. ...
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How to load all modules in a folder?

... List all python (.py) files in the current folder and put them as __all__ variable in __init__.py from os.path import dirname, basename, isfile, join import glob modules = glob.glob(join(dirname(__file__), "*.py")) __all__ = [ ba...
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?

... gcc-4.8 1.53s 1.52s -Os In some cases you can alleviate the effect of disadvantageous optimizations by asking gcc to optimize for your particular processor (using options -mtune=native or -march=native): Processor Compiler Time (-O2 -mtune=native) Time (-Os...
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Difference between left join and right join in SQL Server [duplicate]

... @SilapAliyev That's actually a very good question. Can anyone answer? :D – Ian Chu Te Jan 8 '16 at 2:46 21 ...
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How to suppress “unused parameter” warnings in C?

... I usually write a macro like this: #define UNUSED(x) (void)(x) You can use this macro for all your unused parameters. (Note that this works on any compiler.) For example: void f(int x) { UNUSED(x); ... } ...
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Can someone explain __all__ in Python?

I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does? ...
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vbscript output to console

...aples - Not w/ the stock WScript.Echo. I suppose, if you wanted to stay totally within WScript you could do something horrifyingly dodgy like Exec'ing off another process to do a "SendKeys" to the parent process to close the MessageBox. – Evan Anderson Jun 22 '...
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Odd behavior when Java converts int to byte?

...+ unsignedByte); Would print out: "Signed: -1 Unsigned: 255" What's actually happening here? We are using bitwise AND to mask all of the extraneous sign bits (the 1's to the left of the least significant 8 bits.) When an int is converted into a byte, Java chops-off the left-most 24 bits 111111...
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Where should signal handlers live in a django project?

... I actually like to make them classmethods of the model itself. That keeps everything within one class, and means you don't have to worry about importing anything. ...