大约有 30,000 项符合查询结果(耗时:0.0445秒) [XML]

https://stackoverflow.com/ques... 

Dropping Unique constraint from MySQL table

... Error Message:"You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(player_id,year,tournament)' at line 1" – Ankur Mukhe...
https://stackoverflow.com/ques... 

Vagrant stuck connection timeout retrying

... The GUI showed me the following error: VT-x/AMD-V hardware acceleration is not available on your system. Your 64-bit quest will fail to detect a 64-bit CPU and will not be able to boot – SKuijers Jan 9 '15 at 11:34 ...
https://stackoverflow.com/ques... 

UIScrollView Scrollable Content Size Ambiguity

... This error took me a while to track down, initially I tried pinning the ScrollView's size but the error message clearly says "content size". I made sure everything I pinned from the top of the ScrollView was also pinned to the bo...
https://stackoverflow.com/ques... 

How do I include a JavaScript file in another JavaScript file?

...jsFilePath; document.body.appendChild(js); var s = new MySuperObject(); Error : MySuperObject is undefined Then you reload the page hitting F5. And it works! Confusing... So what to do about it ? Well, you can use the hack the author suggests in the link I gave you. In summary, for people in ...
https://stackoverflow.com/ques... 

Variable declaration in a C# switch statement [duplicate]

...t not the second. In such a case the second «variable» still issuing the error, although the scopes are different. Looks like a bug. – Hi-Angel Oct 13 '14 at 7:18 ...
https://stackoverflow.com/ques... 

Hidden Features of ASP.NET [closed]

... not found"); This will be caught by ASP.NET which will return the customErrors page. Learned about this one in a recent .NET Tip of the Day Post share answered Sep 10 '08 a...
https://stackoverflow.com/ques... 

When do I need to use Begin / End Blocks and the Go keyword in SQL Server?

... select 1 create procedure #Zero as return 0 On SQL Server 2000 the error is: Msg 111, Level 15, State 1, Line 3 'CREATE PROCEDURE' must be the first statement in a query batch. Msg 178, Level 15, State 1, Line 4 A RETURN statement with a return value cannot be used in this context. On SQL...
https://stackoverflow.com/ques... 

Difference between 'struct' and 'typedef struct' in C++?

... If you just said: struct Foo { ... }; Foo x; you would get a compiler error, because Foo is only defined in the tag namespace. You'd have to declare it as: struct Foo x; Any time you want to refer to a Foo, you'd always have to call it a struct Foo. This gets annoying fast, so you can add...
https://stackoverflow.com/ques... 

Creating a JSON response using Django and Python

...go.http import HttpResponse response_data = {} response_data['result'] = 'error' response_data['message'] = 'Some error message' Pre-Django 1.7 you'd return it like this: return HttpResponse(json.dumps(response_data), content_type="application/json") For Django 1.7+, use JsonResponse as shown ...
https://stackoverflow.com/ques... 

Are there legitimate uses for JavaScript's “with” statement?

...ck" Declaring a closure in a loop is a common task where this can lead to errors: for (var i=0; i<3; ++i) { var num = i; setTimeout(function() { alert(num); }, 10); } Because the for loop does not introduce a new scope, the same num - with a value of 2 - will be shared by all three functi...