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Understanding the main method of python [duplicate]
...n other programs, and also include code to evaluate only when the file is called as a standalone script.
It's important to understand that all of the code above the if __name__ line is being executed, evaluated, in both cases. It's evaluated by the interpreter when the file is imported or when it'...
Linux的诞生和发展 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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POSIX.1 仅规定了系统服务应用程序编程接口(API),仅概括了基本的系统服务标准,因此期望对系统的其它功能也制定出标准。这样IEEE POSIX 的工作就开始展开了。在1990 年,刚开始有十个批准的计划在进行,有近300 ...
Printing without newline (print 'a',) prints a space, how to remove?
... This will consume a bit of memory for the string, but only make a single call to print. Note that string concatenation using += is now linear in the size of the string you're concatenating so this will be fast.
>>> for i in xrange(20):
... s += 'a'
...
>>> print s
aaaaaaaaaa...
ReSharper warns: “Static field in generic type”
Is this wrong? I would assume that this actually has a static readonly field for each of the possible EnumRouteConstraint<T> that I happen to instance.
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Best practice for Django project working directory structure
I know there is actually no single right way. However I've found that it's hard to create a directory structure that works well and remain clean for every developer and administrator. There is some standard structure in most projects on github. But it does not show a way to organize another files an...
Efficient way to apply multiple filters to pandas DataFrame or Series
...s to apply several filters to a Pandas DataFrame or Series object. Essentially, I want to efficiently chain a bunch of filtering (comparison operations) together that are specified at run-time by the user.
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What's the difference between a POST and a PUT HTTP REQUEST?
...o file or resource there, PUT creates one. PUT is idempotent, but paradoxically PUT responses are not cacheable.
HTTP 1.1 RFC location for PUT
HTTP POST:
POST sends data to a specific URI and expects the resource at that URI to handle the request. The web server at this point can determine what...
Python equivalent of D3.js
...on Notebooks. Below is a temperature graph showing interactivity. See the gallery of IPython Notebooks tutorials for more examples.
The docs provides examples of supported plot types and code snippets.
Specifically to your question, you can also make interactive plots from NetworkX....
Android: How to bind spinner to custom object list?
...ass)
label.setText(values[position].getName());
// And finally return your dynamic (or custom) view for each spinner item
return label;
}
// And here is when the "chooser" is popped up
// Normally is the same view, but you can customize it if you want
@Overr...
Regular expression to allow spaces between words
I want a regular expression that prevents symbols and only allows letters and numbers. The regex below works great, but it doesn't allow for spaces between words.
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