大约有 40,000 项符合查询结果(耗时:0.0747秒) [XML]

https://stackoverflow.com/ques... 

__getattr__ on a module

How can implement the equivalent of a __getattr__ on a class, on a module? 8 Answers ...
https://stackoverflow.com/ques... 

What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?

...  |  show 5 more comments 87 ...
https://stackoverflow.com/ques... 

Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?

...code very difficult to read without goto as well. Like this one: #define _ -F<00||--F-OO--; int F=00,OO=00;main(){F_OO();printf("%1.3f\n",4.*-F/OO/OO);}F_OO() { _-_-_-_ _-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_-_-_-_ ...
https://stackoverflow.com/ques... 

When is “i += x” different from “i = i + x” in Python?

... This depends entirely on the object i. += calls the __iadd__ method (if it exists -- falling back on __add__ if it doesn't exist) whereas + calls the __add__ method1 or the __radd__ method in a few cases2. From an API perspective, __iadd__ is supposed to be used for modifyi...
https://stackoverflow.com/ques... 

Using property() on classmethods

...te the property on the metaclass. >>> class foo(object): ... _var = 5 ... class __metaclass__(type): # Python 2 syntax for metaclasses ... pass ... @classmethod ... def getvar(cls): ... return cls._var ... @classmethod ... def setvar(cls, value): .....
https://stackoverflow.com/ques... 

How do you run NUnit tests from Jenkins?

...:: any other command : fail_build endlocal exit %ERRORLEVEL% Reference: http://www.greengingerwine.com/index.php/2013/01/tip-check-errorlevel-in-your-post-build-steps-when-using-nunit/ share | im...
https://stackoverflow.com/ques... 

How to split a file into equal parts, without breaking individual lines? [duplicate]

...files. The option --number=l/n generates n files without splitting lines. http://www.gnu.org/software/coreutils/manual/html_node/split-invocation.html#split-invocation http://savannah.gnu.org/forum/forum.php?forum_id=6662 s...
https://stackoverflow.com/ques... 

How to go back (ctrl+z) in vi/vim

...do the last modification. (And Ctrl+R to redo it). Read more about it at: http://vim.wikia.com/wiki/Undo_and_Redo share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How to use a dot “.” to access members of dictionary?

...ope to help you: class Map(dict): """ Example: m = Map({'first_name': 'Eduardo'}, last_name='Pool', age=24, sports=['Soccer']) """ def __init__(self, *args, **kwargs): super(Map, self).__init__(*args, **kwargs) for arg in args: if isinstance(arg, dict...
https://stackoverflow.com/ques... 

Set select option 'selected', by value

...azzetta send an array to val: .val(["Multiple2", "Multiple3"]). api.jquery.com/val/#val-value – scipilot Jul 19 '15 at 5:36 136 ...