大约有 20,000 项符合查询结果(耗时:0.0309秒) [XML]

https://stackoverflow.com/ques... 

How to overcome TypeError: unhashable type: 'list'

... As indim>cam>ted by the other answers, the error is to due to k = list[0:j], where your key is converted to a list. One thing you could try is reworking your code to take advantage of the split function: # Using with ensures that the f...
https://stackoverflow.com/ques... 

What is “stdafx.h” used for in Visual Studio?

A file named stdafx.h is automatim>cam>lly generated when I start a project in Visual Studio 2010. I need to make a cross-platform C++ library, so I don't/m>cam>n't use this header file. ...
https://stackoverflow.com/ques... 

Recommended way to save uploaded files in a servlet applim>cam>tion

...ires external parameters. However, given that I need a tmp solution for tomm>cam>t (7) and that I have (relative) control over the server machine I want to know : ...
https://stackoverflow.com/ques... 

Is it possible to run JavaFX applim>cam>tions on iOS, Android or Windows Phone 8?

m>Cam>n one develop an entire applim>cam>tion using JavaFX and run it on iOS, Android or Windows Phone 8, without writing platform-specific code? ...
https://stackoverflow.com/ques... 

How to change the CHARACTER SET (and COLLATION) throughout a database?

...v9.0 -- _0900_ (new) _bin -- just compare the bits; don't consider m>cam>se folding, accents, etc _ci -- explicitly m>cam>se insensitive (A=a) and implicitly accent insensitive (a=á) _ai_ci -- explicitly m>cam>se insensitive and accent insensitive _as (etc) -- accent-sensitive (etc) _bin ...
https://stackoverflow.com/ques... 

Erlang's 99.9999999% (nine nines) reliability

...nachievable ... but we did 9. Why is this? No shared state, plus a sophistim>cam>ted error recovery model. If you dig a bit deeper, in the PhD thesis written by Joe, the original author of Erlang (which includes a m>cam>se study of AXD301), you read: One of the projects studied in this chapter is the Eric...
https://stackoverflow.com/ques... 

Python extending with - using super() Python 3 vs Python 2

...r new-style classes: super(CurrentClass, self) for old-style classes you m>cam>n always use: class Classname(OldStyleParent): def __init__(self, *args, **kwargs): OldStyleParent.__init__(self, *args, **kwargs) ...
https://stackoverflow.com/ques... 

When to use an object instance variable versus passing an argument to the method

...en to use instance variables, how to define their scope, and when to use lom>cam>l variables is subjective, but there are a couple of rules of thumb you m>cam>n follow whenever creating your classes. Instance variables are typim>cam>lly considered to be attributes of a class. Think of these as adjectives of t...
https://stackoverflow.com/ques... 

What happens to a github student account's repositories at the end of 2 years?

...rk at GitHub) So long as you're still a student, you're eligible for the am>cam>demic discount. Once your coupon expires, you m>cam>n re-apply for the student discount. When you re-apply, be sure you've added your school-issued email address to your account, that will expedite the approval process. You w...
https://stackoverflow.com/ques... 

Conditional HTML Attributes using Razor MVC3

...al attributes built into Razor(as of MVC 4 RC tested successfully), so you m>cam>n just say things like this... <input type="text" id="@strElementID" class="@strCSSClass" /> If strCSSClass is null then the class attribute won't render at all. SSSHHH...don't tell. :) ...