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What is the fastest way to get the value of π?

...ll depends on what kind of accuracy you are looking for. The fastest π I know of is the one with the digits hard coded. Looking at Pi and Pi[PDF], there are a lot of formulae. Here is a method that converges quickly — about 14 digits per iteration. PiFast, the current fastest application, uses t...
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How to read/process command line arguments?

... at this point (12/2011), argparse is now considered a better option than optparse, correct? – oob Dec 20 '11 at 21:48 55 ...
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Windows threading: _beginthread vs _beginthreadex vs CreateThread C++

...do it's own initialization of the thread. Only C/C++ programmers need to know this as they should now the rules of using their own development environment. If you use _beginthread you do not need to call CloseHandle as the RTL will do for you. This is why you cannot wait on the handle if you have...
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Iterating C++ vector from the end to the beginning

...t purpose. (And yes, incrementing a reverse_interator moves it backward.) Now, in theory, your method (using begin()/end() & --i) would work, std::vector's iterator being bidirectional, but remember, end() isn't the last element — it's one beyond the last element, so you'd have to decrement f...
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How do I read from parameters.yml in a controller in symfony2?

...ohr sorry, different version of Symfony2. I've edited my answer - check it now ;) – Vitalii Zurian Dec 16 '12 at 16:44 2 ...
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What is the JavaScript convention for no operation?

...s shown here: setTimeout(function() { console.log('Start: ', Date.now()); Function.prototype(); console.log('End : ', Date.now()); }, 1000); Although this is a "true noop" since most browsers seem to do nothing to execute the noop defined this way (and hence save CPU cyc...
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Should I use 'has_key()' or 'in' on Python dicts?

... has_key() is now removed in Python 3 – Vadim Kotov Nov 14 '19 at 15:21 add a comment  |  ...
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Evenly distributing n points on a sphere

... to N-1). If that is all that is confusing you, hopefully you can use that now. (in other words, k is an array of size N that is defined before the code fragment starts, and which contains a list of the points). Alternatively, building on the other answer here (and using Python): > cat ll.py f...
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Use of #pragma in C

... thread 3 Note that the order of output can vary on different machines. now let me tell you what #pragma did... it tells the OS to run the some block of code on 4 threads this is just one of many many applications you can do with the little #pragma sorry for the outside sample OpenMP ...
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How to decorate a class?

...consider a subclass instead of the approach you've outlined. However, not knowing your specific scenario, YMMV :-) What you're thinking of is a metaclass. The __new__ function in a metaclass is passed the full proposed definition of the class, which it can then rewrite before the class is created. ...