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Python - Create a list with initial capacity

...bject %d" % ( i, ) result.append(message) return result def doAllocate( size=10000 ): result=size*[None] for i in range(size): message= "some unique object %d" % ( i, ) result[i]= message return result Results. (evaluate each function 144 times and average ...
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Return positions of a regex match() in Javascript?

... @OnurYıldırım - here's a jsfiddle of it working...I've tested it all the way back to IE5...works great: jsfiddle.net/6uwn1vof – Jimbo Jonny Mar 29 '16 at 22:34 1 ...
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Abstract methods in Python [duplicate]

...what a metaclass is, don't worry about it. :-) – kindall Dec 8 '10 at 0:15 1 The linked tutorial ...
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SHA512 vs. Blowfish and Bcrypt [closed]

...ome on-board RAM. Note: bcrypt is an algorithm that uses Blowfish internally. It is not an encryption algorithm itself. It is used to irreversibly obscure passwords, just as hash functions are used to do a "one-way hash". Cryptographic hash algorithms are designed to be impossible to reverse. In...
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MPICH vs OpenMPI

...xtensive optimizations that make it the preferred implementation in nearly all cases. Feature Support from the Latest MPI Standard An orthogonal axis to hardware/platform support is coverage of the MPI standard. Here MPICH is usually far and away superior. MPICH has been the first implementation...
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How to read data From *.CSV file using javascript?

... NOTE: I concocted this solution before I was reminded about all the "special cases" that can occur in a valid CSV file, like escaped quotes. I'm leaving my answer for those who want something quick and dirty, but I recommend Evan's answer for accuracy. This code will work when your...
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std::vector performance regression when enabling C++11

I have found an interesting performance regression in a small C++ snippet, when I enable C++11: 1 Answer ...
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How can I tell gcc not to inline a function?

Say I have this small function in a source file 8 Answers 8 ...
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How to convert timestamp to datetime in MySQL?

...)) ; to compare dates, I replace 2019-05*02 a formatted datetime object in php. Thnaks. – Mantisse Apr 12 '19 at 18:00 1 ...
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Why does using an Underscore character in a LIKE filter give me all the results?

...t end with 'abc'. In your case you have searched by '%_%'. This will give all the rows with that column having one or more characters, that means any characters, as its value. This is why you are getting all the rows even though there is no _ in your column values. ...