大约有 11,390 项符合查询结果(耗时:0.0266秒) [XML]

https://stackoverflow.com/ques... 

Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]

My impression to date has been that a DbContext is meant to represent your database, and thus, if your application uses one database, you'd want only one DbContext . ...
https://stackoverflow.com/ques... 

Use 'import module' or 'from module import'?

I've tried to find a comprehensive guide on whether it is best to use import module or from module import . I've just started with Python and I'm trying to start off with best practices in mind. ...
https://stackoverflow.com/ques... 

Using varchar(MAX) vs TEXT on SQL Server

I just read that the VARCHAR(MAX) datatype (which can store close to 2GB of char data) is the recommended replacement for the TEXT datatype in SQL Server 2005 and Next SQL SERVER versions. ...
https://stackoverflow.com/ques... 

HTML 5 tag vs Flash video. What are the pros and cons?

...n't make it now. Flash is hard on its way out; <video> support is ubiquitous, including mobile devices. Almost anything that Flash could do, HTML can now do too. HTML won, Flash lost. If you're pondering on how to embed video in your page, just use <video> and don't give it a second ...
https://stackoverflow.com/ques... 

Why not infer template parameter from constructor?

... do from function parameters? For example, why couldn't the following code be valid: 12 Answers ...
https://stackoverflow.com/ques... 

jQuery selectors on custom data attributes using HTML5

I would like to know what selectors are available for these data attributes that come with HTML5. 4 Answers ...
https://stackoverflow.com/ques... 

Should I Dispose() DataSet and DataTable?

DataSet and DataTable both implement IDisposable, so, by conventional best practices, I should call their Dispose() methods. ...
https://stackoverflow.com/ques... 

List comprehension rebinds names even after scope of comprehension. Is this right?

...are having some unexpected interactions with scoping. Is this the expected behavior? 6 Answers ...
https://stackoverflow.com/ques... 

Final arguments in interface methods - what's the point?

...rfectly legal to define final arguments in interface methods and do not obey that in the implementing class, e.g.: 5 Answ...
https://stackoverflow.com/ques... 

What is the difference between packaged_task and async

...ut << "You can see this after 1 second\n"; // However, f.get() will be available, since task has already finished. std::cout << f.get() << std::endl; std::async On the other hand, std::async with launch::async will try to run the task in a different thread: auto f = std::async...