大约有 46,000 项符合查询结果(耗时:0.0329秒) [XML]

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Is the list of Python reserved words and builtins available in a library?

...break', 'class', 'continue', 'def', 'del', 'elif', 'else', 'except', 'finally', 'for', 'from', 'global', 'if', 'import', 'in', 'is', 'lambda', 'nonlocal', 'not', 'or', 'pass', 'raise', 'return', 'try', 'while', 'with', 'yield'] If you want to include built-in names as well (Python 3), then c...
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Flattening a shallow list in Python [duplicate]

...st of iterables with a list comprehension, or failing that, what would you all consider to be the best way to flatten a shallow list like this, balancing performance and readability? ...
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How can you make a custom keyboard in Android?

... First of all you will need a keyboard.xml file which will be placed in the res/xml folder (if the folder does not exist, created it). <?xml version="1.0" encoding="utf-8"?> <Keyboard xmlns:android="http://schemas.android.com...
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Why is “if not someobj:” better than “if someobj == None:” in Python?

...a __nonzero__ special method (as do numeric built-ins, int and float), it calls this method. It must either return a bool value which is then directly used, or an int value that is considered False if equal to zero. Otherwise, if the object has a __len__ special method (as do container built-ins, li...
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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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How do I get the path and name of the file that is currently executing?

I have scripts calling other script files but I need to get the filepath of the file that is currently running within the process. ...
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node.js global variables?

... Globals are generally to be avoided, but if you really want to use them. The 3 statements below are all equivalent and will assign a var to the global scope: GLOBAL._ = require('underscore'); global._ = require('underscore'); _ = require('und...
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How to decorate a class?

...2.5, is there a way to create a decorator that decorates a class? Specifically, I want to use a decorator to add a member to a class and change the constructor to take a value for that member. ...
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top -c command in linux to filter processes listed based on processname

Top lists all the processes, there are good options to filter the processes by username by using the option -u but I am wondering if there is any easy way to filter the processes based on processname listed under COMMAND column of the top output. ...
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Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./

... The regular expression for this is really simple. Just use a character class. The hyphen is a special character in character classes, so it needs to be first: /[-!$%^&*()_+|~=`{}\[\]:";'<>?,.\/]/ You also need to escape the other regular expressio...