大约有 40,000 项符合查询结果(耗时:0.0515秒) [XML]

https://stackoverflow.com/ques... 

What's the common practice for enums in Python? [duplicate]

... @Joan You could do _unused, Shaded, Shiny, Transparent, Matte = range(5) – zekel Dec 9 '10 at 2:12 81 ...
https://stackoverflow.com/ques... 

How to check if an object is a list or tuple (but not string)?

...quence; otherwise, if it is indexable or iterable, it's a sequence: def is_sequence(arg): return (not hasattr(arg, "strip") and hasattr(arg, "__getitem__") or hasattr(arg, "__iter__")) def srepr(arg): if is_sequence(arg): return '<' + ", ".join(srepr(x) f...
https://stackoverflow.com/ques... 

Animate change of view controllers without using navigation controller stack, subviews or modal cont

...ontroller.view.anotherView). I've implemented a simple container class I called TransitionController. You can find it at https://gist.github.com/1394947. As an aside, I prefer the implementation in a separate class b/c it's easier to reuse. If you don't want that, you could simply implement the sa...
https://www.tsingfun.com/it/bigdata_ai/422.html 

MongoDB数据导出导入工具:mongoexport,mongoimport - 大数据 & AI - 清泛...

...个students集合,集合中数据如下: > db.students.find() { "_id" : ObjectId("5031143350f2481577ea81e5"), "classid" : 1, "age" : 20, "name" : "kobe" } { "_id" : ObjectId("5031144a50f2481577ea81e6"), "classid" : 1, "age" : 23, "name" : "nash" } { "_id" : ObjectId("5031145a50f2481577ea81...
https://stackoverflow.com/ques... 

Generating Guids in Ruby

I have problem that is really easily solved with Guids. 10 Answers 10 ...
https://stackoverflow.com/ques... 

How to prevent a jQuery Ajax request from caching in Internet Explorer?

... You can disable caching globally using $.ajaxSetup(), for example: $.ajaxSetup({ cache: false }); This appends a timestamp to the querystring when making the request. To turn cache off for a particular $.ajax() call, set cache: false on it locally, ...
https://stackoverflow.com/ques... 

How to optimize for-comprehensions and loops in Scala?

...s Java. I'm revisiting some Project Euler problems in Scala that I originally tackled in Java. Specifically Problem 5: "What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?" ...
https://stackoverflow.com/ques... 

Deserialize JSON into C# dynamic object?

...ere. I modified the code slightly to fix a bug and suit my coding style. All you need is this code and a reference to System.Web.Extensions from your project: using System; using System.Collections; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Dynamic; usin...
https://stackoverflow.com/ques... 

Why does @foo.setter in Python not work for me?

...operty def x(self): print 'called getter' return self._x @x.setter def x(self, value): print 'called setter' self._x = value It works: >>> k = testDec() >>> k.x called getter Traceback (most recent call last): File "<stdin>"...
https://stackoverflow.com/ques... 

How do I “source” something in my .vimrc file?

... Sourcing a file is 'executing' it. Essentially, each line of the file is considered a command. Sourcing it is the same as typing each command in order. You source with the command :source (usually shortened to :so). So if you source myStuff.vim :so myStuff.vim an...