大约有 44,681 项符合查询结果（耗时：0.0355秒） [XML]
Invalid postback or callback argument. Event validation is enabled using '
...oblem is that ASP.NET does not get to know about this extra or removed listitem.
You got an number of options (listed below):
Disable eventvalidation (bad idea, because you lose a little of security that come with very little cost).
Use ASP.NET Ajax UpdatePanel. (Put the listbox in the Updatepanel...
Difference between size_t and std::size_t
...
C's size_t and C++'s std::size_t are both same.
In C, it's defined in <stddef.h> and in C++, its defined in <cstddef> whose contents are the same as C header (see the quotation below). Its defined as unsigned integer type of the result of the sizeof operator.
C Stan...
In C++, is it still bad practice to return a vector from a function?
Short version: It's common to return large objects—such as vectors/arrays—in many programming languages. Is this style now acceptable in C++0x if the class has a move constructor, or do C++ programmers consider it weird/ugly/abomination?
...
What are the best use cases for Akka framework [closed]
...vice platform), but so far have not seen many actual examples of use cases it would be good for. So I would be interested in hearing about things developers have used it succesfully.
...
Can I write into the console in a unit test? If yes, why doesn't the console window open?
...a test project in Visual Studio. I use Microsoft.VisualStudio.TestTools.UnitTesting .
12 Answers
...
How do I get rid of “[some event] never used” compiler warnings in Visual Studio?
...
This appears to be warning 67 and can thus be suppressed with:
#pragma warning disable 67
Don't forget to restore it as soon as possible (after the event declaration) with:
#pragma warning restore 67
However, I'd check again and make sure you're raising the event somewhere, ...
How to get users to read error messages?
...enlightening error messages, but just click on the first button available with a shrug of frustration.
26 Answers
...
Why do objects of the same class have access to each other's private data?
...
Because that's how it works in C++. In C++ access control works on per-class basis, not on per-object basis.
Access control in C++ is implemented as a static, compile-time feature. I think it is rather obvious that it is not really possible to...
Is there a better way to dynamically build an SQL WHERE clause than by using 1=1 at its beginning?
I'm building some SQL query in C#. It will differ depending on some conditions stored as variables in the code.
22 Answer...
How to delete a folder with files using Java
I want to create and delete a directory using Java, but it isn't working.
25 Answers
2...