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Is < faster than
...otnote on Jcc:
7) Selection of conditional jump instructions should be based on the recommendation of section Section 3.4.1, “Branch Prediction Optimization,” to improve the predictability of branches. When branches are predicted successfully, the latency of jcc is effectively zero.
So, n...
How to use “not” in xpath?
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Checking for NULL pointer in C/C++ [closed]
... is king, the decision is less important than the consistency in your code base.
In C++
NULL is defined as 0 or 0L in C++.
If you've read The C++ Programming Language Bjarne Stroustrup suggests using 0 explicitly to avoid the NULL macro when doing assignment, I'm not sure if he did the same with ...
Pass correct “this” context to setTimeout callback?
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Measuring elapsed time with the Time module
...elapsed since the first call to this function, as a floating point number, based on the Win32 function QueryPerformanceCounter(). The resolution is typically better than one microsecond.
Update for Python 3.7
New in Python 3.7 is PEP 564 -- Add new time functions with nanosecond resolution.
Us...
UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?
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You can do it with this Swift extension, which was based in part on Jesse Crossen's answer:
extension UIButton {
func centerLabelVerticallyWithPadding(spacing:CGFloat) {
// update positioning of image and title
let imageSize = self.imageView.frame.size
self.tit...
Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
... in the overriden method of the derived class you may invoke the method of base class with the same name, but with methods defined in constructor, you cannot do this.
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Rename an environment with virtualenvwrapper
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Why do some C# lambda expressions compile to static methods?
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Why would iterating over a List be faster than indexing through it?
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