大约有 40,000 项符合查询结果(耗时:0.0531秒) [XML]

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Convert Enumeration to a Set/List

...; vt = new Vector<String>(); vt.add("java"); vt.add("php"); vt.add("array"); vt.add("string"); vt.add("c"); Enumeration<String> enm = vt.elements(); List<String> ll = Collections.list(enm); System.out.println("List el...
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How to send a “multipart/form-data” with requests in python?

... Basically, if you specify a files parameter (a dictionary), then requests will send a multipart/form-data POST instead of a application/x-www-form-urlencoded POST. You are not limited to using actual files in that dictionary, howe...
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What are all the uses of an underscore in Scala?

...s taken on scala-lang.org and noticed a curious question: " Can you name all the uses of “_”? ". Can you? If yes, please do so here. Explanatory examples are appreciated. ...
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How to redirect single url in nginx?

...n 301 $redirect_uri; } try_files $uri $uri/ /index.php?p=$uri&$args; } – luwes Sep 18 '16 at 11:46 ...
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Django: Get list of model fields?

...s which (ultimately) inherits from models.Model . I want to get a list of all the fields defined for this model. For example, phone_number = CharField(max_length=20) . Basically, I want to retrieve anything that inherits from the Field class. ...
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Why aren't superclass __init__ methods automatically invoked?

...thon designers decide that subclasses' __init__() methods don't automatically call the __init__() methods of their superclasses, as in some other languages? Is the Pythonic and recommended idiom really like the following? ...
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What are the differences between NP, NP-Complete and NP-Hard?

... the technical definitions require quite some time to understand. First of all, let's remember a preliminary needed concept to understand those definitions. Decision problem: A problem with a yes or no answer. Now, let us define those complexity classes. P P is a complexity class that repres...
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Calling parent class __init__ with multiple inheritance, what's the right way?

...ing super() leads to greater flexibility for subclasses. In the direct call approach, C.__init__ can call both A.__init__ and B.__init__. When using super(), the classes need to be designed for cooperative multiple inheritance where C calls super, which invokes A's code which will also call supe...
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Is multiplication and division using shift operators in C actually faster?

...n to shift, shift. If you mean to multiply, multiply. Do what is semantically clearest--your coworkers will thank you later. Or, more likely, curse you later if you do otherwise. share | improve ...
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Best way to organize jQuery/JavaScript code (2013) [closed]

...not up to date. I have over 2000 lines of code in a single file, and as we all know this is bad practice, especially when i'm looking through code or adding new features. I want to better organize my code, for now and for the future. ...