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Are list-comprehensions and functional functions faster than “for loops”?

...(<the code object for `[x for x in range(10)]`>) 1 0 BUILD_LIST 0 3 LOAD_FAST 0 (.0) >> 6 FOR_ITER 12 (to 21) 9 STORE_FAST 1 (x) 12 LOAD_FAST 1 (x) ...
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How to make a chain of function decorators?

... # returns "<b><i>hello world</i></b>" print hello.__name__ # with functools.wraps() this returns "hello" print log('hello') # returns "<b><i>hello</i></b>" share |...
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Outputting data from unit test in python

... %r", self.that ) # etc. self.assertEquals( 3.14, pi ) if __name__ == "__main__": logging.basicConfig( stream=sys.stderr ) logging.getLogger( "SomeTest.testSomething" ).setLevel( logging.DEBUG ) unittest.main() That allows us to turn on debugging for specific tests whi...
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What is SYSNAME data type in SQL Server?

...stored procedures etc within SQL Server. For example, by executing Exec sp_help 'sys.tables' you will see that the column name is defined as sysname this is because the value of this is actually an object in itself (a table) I would worry too much about it. It's also worth noting that for those p...
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How to find out what type of a Mat object is with Mat::type() in OpenCV

...st. string type2str(int type) { string r; uchar depth = type & CV_MAT_DEPTH_MASK; uchar chans = 1 + (type >> CV_CN_SHIFT); switch ( depth ) { case CV_8U: r = "8U"; break; case CV_8S: r = "8S"; break; case CV_16U: r = "16U"; break; case CV_16S: r = "16S"; break;...
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Is it possible to print a variable's type in standard C++?

...at I'm recommending below is: template <typename T> std::string type_name(); which would be used like this: const int ci = 0; std::cout << type_name<decltype(ci)>() << '\n'; and for me outputs: int const <disclaimer> I have not tested this on MSVC. </disclai...
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What is a mixin, and why are they useful?

... and `==`, but this class does NOT implement those methods.""" def __ne__(self, other): return not (self == other) def __lt__(self, other): return self <= other and (self != other) def __gt__(self, other): return not self <= other def __ge__(self, ot...
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Does python have an equivalent to Java Class.forName()?

...honic way of doing it. Here's a function that does what you want: def get_class( kls ): parts = kls.split('.') module = ".".join(parts[:-1]) m = __import__( module ) for comp in parts[1:]: m = getattr(m, comp) return m You can use the return value of this ...
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How do you run your own code alongside Tkinter's event loop?

...o the function call. Return identifier to cancel scheduling with after_cancel.""" share | improve this answer | follow | ...
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Multiprocessing - Pipe vs Queue

...nableQueue() as a bonus; JoinableQueue() accounts for tasks when queue.task_done() is called (it doesn't even know about the specific task, it just counts unfinished tasks in the queue), so that queue.join() knows the work is finished. The code for each at bottom of this answer... mpenning@mpennin...