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Python (and Python C API): __new__ versus __init__
The question I'm about to ask seems to be a duplicate of Python's use of __new__ and __init__? , but regardless, it's still unclear to me exactly what the practical difference between __new__ and __init__ is.
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Avoiding if statement inside a for loop?
I have a class called Writer that has a function writeVector like so:
4 Answers
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Use numpy array in shared memory for multiprocessing
... mp.Array() is unnecessary. You could use mp.sharedctypes.RawArray in this case.
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Async/await vs BackgroundWorker
...d to replace constructs such as the BackgroundWorker. While you certainly can use it if you want to, you should be able to use async/await, along with a few other TPL tools, to handle everything that's out there.
Since both work, it comes down to personal preference as to which you use when. What...
Running a Haskell program on the Android OS
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How you do it is by first getting a Haskell compiler which can target C with the android NDK which comes with a GCC port for ARM architectures. JHC can trivially do this with a very small inf style file which describes the platform (word size, c-compiler, etc) I've done this with the...
Explain which gitignore rule is ignoring my file
... file is getting ignored by git (i.e. which rule in a .gitignore file is causing the file to be ignored)?
6 Answers
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Why is list initialization (using curly braces) better than the alternatives?
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Basically copying and pasting from Bjarne Stroustrup's "The C++ Programming Language 4th Edition":
List initialization does not allow narrowing (§iso.8.5.4). That is:
An integer cannot be converted to another integer that can...
How can I add to List
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Sorry, but you can't.
The wildcard declaration of List<? extends Number> foo3 means that the variable foo3 can hold any value from a family of types (rather than any value of a specific type). It means that any of these are legal ass...
How to overload std::swap()
...p is to write it in the same namespace as what you're swapping, so that it can be found via argument-dependent lookup (ADL). One particularly easy thing to do is:
class X
{
// ...
friend void swap(X& a, X& b)
{
using std::swap; // bring in swap for built-in types
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What is the optimal Jewish toenail cutting algorithm?
I am working on the software for a machine that will automatically trim toenails, so that users can simply put their feet in it and run it instead of having to manually do it by biting them or using nail clippers.
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