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PyPy — How can it possibly beat CPython?
...w is this possible?
Manual memory management (which is what CPython does with its counting) can be slower than automatic management in some cases.
Limitations in the implementation of the CPython interpreter preclude certain optimisations that PyPy can do (eg. fine grained locks).
As Marcelo men...
Using unset vs. setting a variable to empty
I'm currently writing a bash testing framework, where in a test function, both standard bash tests ( [[ ) as well as predefined matchers can be used. Matchers are wrappers to '[[' and besides returning a return code, set some meaningful message saying what was expected.
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What does if __name__ == “__main__”: do?
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Whenever the Python interpreter reads a source file, it does two things:
it sets a few special variables like __name__, and then
it executes all of the code found in the file.
Let's see how this works and how it relates to your question about the __name__ checks we always s...
What is the difference between a definition and a declaration?
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A declaration introduces an identifier and describes its type, be it a type, object, or function. A declaration is what the compiler needs to accept references to that identifier. These are declarations:
extern int bar;
extern int g(int, int);
double f(int, double); // extern...
How to reset a form using jQuery with .reset() method
...on a reset button. However after my code is getting longer, I realize that it doesn't work anymore.
16 Answers
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程序员正能量：从事IT的六大好处 - 杂谈 - 清泛网 - 专注C/C++及内核技术
程序员正能量：从事IT的六大好处程序员的同志们，来点正能量！本文是一位程序员总结的干IT的六点好处。看看在云南新华电脑学院学IT的这位程序员同行总结的六点干IT的好处，真是满满的正能量啊！程序员的同志们，来点正...
In a PHP project, what patterns exist to store, access and organize helper objects? [closed]
...h suggested by Flavius. There are numerous reasons to avoid this approach. It violates good OOP principles. The google testing blog has some good articles on the Singleton and how to avoid it:
http://googletesting.blogspot.com/2008/08/by-miko-hevery-so-you-join-new-project.html
http://googletesting...
Is it better to reuse a StringBuilder in a loop?
...uilder.
In a very long loop I'm manipulating a StringBuilder and passing it to another method like this:
14 Answers
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How to “properly” create a custom object in JavaScript?
...programmers and libraries have different approaches and class-handling utility functions to paper over some of the uglier parts of the language.
The result is that in mixed company you will have a mishmash of metaclasses, all behaving slightly differently. What's worse, most JavaScript tutorial mat...
When would I need a SecureString in .NET?
...uld stop using SecureString . Looks like PG guys are dropping support for it. Possibly even pull it in the future - https://github.com/dotnet/apireviews/tree/master/2015-07-14-securestring .
We should remove encryption from SecureString across all platforms in .NET Core - We should obsolete ...