大约有 31,400 项符合查询结果（耗时：0.0503秒） [XML]
C# nullable string error
...
For nullable, use ? with all of the C# primitives, except for string.
The following page gives a list of the C# primitives:
http://msdn.microsoft.com/en-us/library/aa711900(v=vs.71).aspx
...
How to remove close button on the jQuery UI dialog?
...r-close", ui.dialog || ui).hide();
}
});
To hide the close button on all dialogs you can use the following CSS too:
.ui-dialog-titlebar-close {
visibility: hidden;
}
share
|
improve this...
Redirect non-www to www in .htaccess
...answered Aug 21 '12 at 8:09
Randall HuntRandall Hunt
9,88155 gold badges2828 silver badges3939 bronze badges
...
How to handle Objective-C protocols that contain properties?
...answered May 10 '09 at 5:46
Kendall Helmstetter GelnerKendall Helmstetter Gelner
72.5k2626 gold badges123123 silver badges146146 bronze badges
...
NUnit isn't running Visual Studio 2010 code
... VS2008 solution in the VS2010 beta. Once the conversion finished I opened all the projects and changed the target framework setting for all the projects to ".NET Framework 4.0". I then built the solution without any errors. I can now use the NUnit GUI app to run tests built for .NET 4.0. I've not d...
Thou shalt not inherit from std::vector
Ok, this is really difficult to confess, but I do have a strong temptation at the moment to inherit from std::vector .
13...
What is the difference between pluck and collect in Rails?
...
When you do:
User.first.gifts.collect(&:id)
You have objects with all fields loaded and you simply get the id thanks to the method based on Enumerable.
So:
if you only need the id with Rails 4, use ids: User.first.gifts.ids
if you only need some fields with Rails 4, use pluck: User.first...
Is it possible to get CMake to build both a static and shared version of the same library?
Same source, all that, just want a static and shared version both. Easy to do?
5 Answers
...
When should I use a struct instead of a class?
...
MSDN has the answer:
Choosing Between Classes and Structures.
Basically, that page gives you a 4-item checklist and says to use a class unless your type meets all of the criteria.
Do not define a structure unless the
type has all of the following
characteristics:
It logica...
SQL: IF clause within WHERE clause
...n a WHERE clause. If you want to apply some "IF" logic in the WHERE clause all you need to do is add the extra condition with an boolean AND to the section where it needs to be applied.
share
|
impr...