大约有 41,000 项符合查询结果(耗时:0.0461秒) [XML]

https://stackoverflow.com/ques... 

Regular Expressions and negating a whole character group [duplicate]

...ples I gave won't match 'ab' it's true but they also won't match 'a' alone and I need them to. Is there some simple way to do this? ...
https://stackoverflow.com/ques... 

What happens when a duplicate key is put into a HashMap?

...e times to HashMap ’s put method, what happens to the original value? And what if even the value repeats? I didn’t find any documentation on this. ...
https://stackoverflow.com/ques... 

What approaches are available to dummy design-time data in WPF?

I am working without expression blend and just using the XAML editor in vs2010. The wisdom of this aside, I am increasingly seeing a need for design-time data binding. For simple cases, the FallbackValue property works very nicely (Textboxes and TextBlocks, etc). But especially when dealing with ...
https://stackoverflow.com/ques... 

Accessing Session Using ASP.NET Web API

I realize session and REST don't exactly go hand in hand but is it not possible to access session state using the new Web API? HttpContext.Current.Session is always null. ...
https://stackoverflow.com/ques... 

“The page you are requesting cannot be served because of the extension configuration.” error message

... register version of .NET framework you are using. This is a common issue and happens when IIS is installed after VS or .NET framework. Note - for Windows 8/10 users, see the other answer by JohnOpincar below. And also the comment/tip from Kevin Brydon. ...
https://stackoverflow.com/ques... 

Binary Data in JSON String. Something better than Base64

...this is only a 7% improvement over base64, it's more expensive to compute, and implementations are less common than for base64 so it's probably not a win. You could also simply map every input byte to the corresponding character in U+0000-U+00FF, then do the minimum encoding required by the JSON st...
https://stackoverflow.com/ques... 

Can You Get A Users Local LAN IP Address Via JavaScript?

I know the initial reaction to this question is "no" and "it can't be done" and "you shouldn't need it, you are doing something wrong". What I'm trying to do is get the users LAN IP address, and display it on the web page. Why? Because that's what the page I'm working on is all about, showing as muc...
https://stackoverflow.com/ques... 

What is the meaning of prepended double colon “::”?

...wered Nov 24 '10 at 16:27 Wyatt AndersonWyatt Anderson 8,42811 gold badge1919 silver badges2424 bronze badges ...
https://stackoverflow.com/ques... 

What is the effect of extern “C” in C++?

...then link to using the C name. Since C++ has overloading of function names and C does not, the C++ compiler cannot just use the function name as a unique id to link to, so it mangles the name by adding information about the arguments. A C compiler does not need to mangle the name since you can not ...
https://stackoverflow.com/ques... 

Good or bad practice for Dialogs in wpf with MVVM?

I lately had the problem of creating add and edit dialogs for my wpf app. 3 Answers 3 ...