大约有 47,000 项符合查询结果(耗时:0.0237秒) [XML]

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Naming convention - underscore in C++ and C# variables

... in a class field. What does the underscore mean? Is there a reference for all these special naming conventions? 19 Answers...
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How does JavaScript .prototype work?

...ing languages but I've written my fair share of JavaScript code. I never really got my head around this prototype-based programming, does any one know how this works? ...
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Detect & Record Audio in Python

... Great example! Really useful when I tried to wrap my head around how to record voice using Python. One quick question I had is whether there is a way to define the time period of the recording. Now it records a word? Can I play with it and ha...
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Python class inherits object

... so are numerous, to list some of them: Support for descriptors. Specifically, the following constructs are made possible with descriptors: classmethod: A method that receives the class as an implicit argument instead of the instance. staticmethod: A method that does not receive the implicit ar...
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Python - Get path of root project structure

...to prevent directories with a common name, such as string, from unintentionally hiding valid modules that occur later on the module search path. In the simplest case, __init__.py can just be an empty file, but it can also execute initialization code for the package or set the __all__ variable, descr...
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Proper way to declare custom exceptions in modern Python?

...tionError(Exception): def __init__(self, message, errors): # Call the base class constructor with the parameters it needs super(ValidationError, self).__init__(message) # Now for your custom code... self.errors = errors That way you could pass dict of error me...
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Can a decorator of an instance method access the class?

I have something roughly like the following. Basically I need to access the class of an instance method from a decorator used upon the instance method in its definition. ...
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How to implement “select all” check box in HTML?

.../script> <input type="checkbox" onClick="toggle(this)" /> Toggle All<br/> <input type="checkbox" name="foo" value="bar1"> Bar 1<br/> <input type="checkbox" name="foo" value="bar2"> Bar 2<br/> <input type="checkbox" name="foo" value="bar3"> Bar 3<br/&...
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MySQL vs MongoDB 1000 reads

...very excited about MongoDb and have been testing it lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'. ...
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Differences between lodash and underscore [closed]

...h run in Node, Ringo, Rhino, Narwhal, PhantomJS, and browsers), better overall performance and optimizations for large arrays/object iteration, and more flexibility with custom builds and template pre-compilation utilities. Because Lo-Dash is updated more frequently than Underscore, a lodash unders...