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Calculating a directory's size using Python?

...= os.path.getsize(fp) return total_size print(get_size(), 'bytes') And a oneliner for fun using os.listdir (Does not include sub-directories): import os sum(os.path.getsize(f) for f in os.listdir('.') if os.path.isfile(f)) Reference: os.path.getsize - Gives the size in bytes os.walk os....
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Difference between std::system_clock and std::steady_clock?

...eryPerformanceCounter(&counter); return time_point(duration(static_cast<rep>((double)counter.QuadPart / frequency.QuadPart * period::den / period::num))); } private: static bool is_inited; ...
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How does a PreparedStatement avoid or prevent SQL injection?

...g. But the input parameters will be sent to the database & appropriate cast/conversions will be applied prior to creating an actual SQL statement. To give you an example, it might try and see if the CAST/Conversion works. If it works, it could create a final statement out of it. SELECT * Fr...
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Weak and strong property setter attributes in Objective-C

...s the parent so neither is ever released). The 'toll free bridging' part (casting from NS to CF) is a little tricky. You still have to manually manage CFRelease() and CFRetain() for CF objects. When you convert them back to NS objects you have to tell the compiler about the retain count so it kno...
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How to avoid overflow in expr. A * B - C * D

...ere's a work-around that only relies on implementation-defined behavior of casting unsigned integer to signed integer. But this can be expected to work on almost every system today. (long long)((unsigned long long)A * B - (unsigned long long)C * D) This casts the inputs to unsigned long long wher...
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How to set environment variables in Python?

I need to set some environment variables in the Python script and I want all the other scripts that are called from Python to see the environment variables' set. ...
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Covariance, Invariance and Contravariance explained in plain English?

...fferent generics parameters. Their relationships are the reason why we can cast them. Co and Contra variance are pretty logical things. Language type system forces us to support real life logic. It's easy to understand by example. Covariance For instance you want to buy a flower and you have two ...
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How does one generate a random number in Apple's Swift language?

...nteger between 0 and n-1. let diceRoll = Int(arc4random_uniform(6) + 1) Cast the result to Int so you don't have to explicitly type your vars as UInt32 (which seems un-Swifty). share | improve th...
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How do I get the path and name of the file that is currently executing?

...vide an example? I've answered similar question using inspect.getabsfile() and it worked for all cases that I've tried. – jfs Apr 5 '14 at 17:04 4 ...
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Open file in a relative location in Python

...thon code is executed in not known by prior windows directory say 'main' , and wherever code is installed when it runs it needs to access to directory 'main/2091/data.txt' . ...