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Most efficient way to reverse a numpy array

... In order to have it working with negative numbers and a long list you can do the following: b = numpy.flipud(numpy.array(a.split(),float)) Where flipud is for 1d arra ...
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Difference between a “coroutine” and a “thread”?

... Parallelism is the simultaneous execution of multiple pieces of work in order to increase speed. —https://github.com/servo/servo/wiki/Design Short answer: With threads, the operating system switches running threads preemptively according to its scheduler, which is an algorithm in the operatin...
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Can I use a function for a default value in MySql?

...f their DB package, and it's not as feature rich as we'd like. http://www.phpbuilder.com/board/showthread.php?t=10349169 share | improve this answer | follow ...
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sed or awk: delete n lines following a pattern

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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Is there a standard sign function (signum, sgn) in C/C++?

...les, unsigned shorts, or any custom types constructible from integer 0 and orderable. Fast! copysign is slow, especially if you need to promote and then narrow again. This is branchless and optimizes excellently Standards-compliant! The bitshift hack is neat, but only works for some bit representati...
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Python assigning multiple variables to same value? list behavior

...omething(1). Sure, likely the object is rebinding an instance attribute in order to implement this method, but that's not what's important; what's important is that you're not assigning anything, you're just mutating the object. And it's the same with a[0]=1. user570826 asked: What if we have...
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Extract subset of key-value pairs from Python dictionary object?

...pt" operation. Unfortunately that results in a dictionary with differently ordered keys (even in python 3.7 and 3.8) – naught101 Jun 19 at 1:51  |  ...
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Do I cast the result of malloc?

...chael Anderson () issue aside, note that your suggested style switched the order., Consider when element count is computed like length*width, keeping the sizeof first in this case insures multiplication is done with at least size_t math. Compare malloc(sizeof( *ptr) * length * width) vs. malloc(l...
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CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网移动版 - 专注IT技能提升

...ize of the edit box if needed, and it needs access to the m_Rect member in order to do so. So in the InPlaceEdit.h file, make the following changes: class CInPlaceEdit : public CEdit { ... protected: CRect m_Rect; // Add this line ... private: ... // CRect m_Rect; /...
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CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网移动版 - 专注IT技能提升

...ize of the edit box if needed, and it needs access to the m_Rect member in order to do so. So in the InPlaceEdit.h file, make the following changes: class CInPlaceEdit : public CEdit { ... protected: CRect m_Rect; // Add this line ... private: ... // CRect m_Rect; /...