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deciding among subprocess, multiprocessing, and thread in Python?
I'd like to parallelize my Python program so that it can make use of multiple processors on the machine that it runs on. My parallelization is very simple, in that all the parallel "threads" of the program are independent and write their output to separate files. I don't need the threads to exchan...
What are the barriers to understanding pointers and what can be done to overcome them? [closed]
...s is a concept that for many can be confusing at first, in particular when it comes to copying pointer values around and still referencing the same memory block.
I've found that the best analogy is to consider the pointer as a piece of paper with a house address on it, and the memory block it refer...
What's the scope of the “using” declaration in C++?
...
When you #include a header file in C++, it places the whole contents of the header file into the spot that you included it in the source file. So including a file that has a using declaration has the exact same effect of placing the using declaration at the top of ...
Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
...while reading the brilliant answer by Mysticial to the question: why is it faster to process a sorted array than an unsorted array ?
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What is this Javascript “require”?
I'm trying to get Javascript to read/write to a PostgreSQL database. I found this project on github. I was able to get the following sample code to run in node.
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Is Haxe worth learning? [closed]
For people out there using Haxe , what makes it useful for you? Reading the website it looks very promising. Does it provide significant portability?
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What Git branching models work for you?
...spect a few rules to make your questions easier:
only rebase a branch if it hasn't been pushed (not pushed since the last rebase)
only push to a bare repo (mandatory since Git1.7)
follow Linus's advices on rebase and merges
Now:
Workflows / branching models:
each workflow is there to support ...
Getting number of elements in an iterator in Python
Is there an efficient way to know how many elements are in an iterator in Python, in general, without iterating through each and counting?
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Visual Studio : short cut Key : Duplicate Line
...io 2017 (v15.6 and after)
Ctrl + D
In Visual Studio 2017 (pre v15.6)
(edit) This feature is now built-in in VS2017: Ctrl + E, V duplicates a line if nothing is selected, or duplicates selection. You can assign it to a different key combination, or find it in the menu:
See this reference for mo...
How does SSL really work?
... this has turned into a fairly popular question/answer, so I have expanded it a bit and made it more precise.
TLS Capabilities
"SSL" is the name that is most often used to refer to this protocol, but SSL specifically refers to the proprietary protocol designed by Netscape in the mid 90's. "TLS" i...