大约有 10,900 项符合查询结果（耗时：0.0344秒） [XML]
How can I return an empty IEnumerable?
...
You can use list ?? Enumerable.Empty<Friend>(), or have FindFriends return Enumerable.Empty<Friend>()
share
|
impro...
What is the maximum number of characters that nvarchar(MAX) will hold?
...
Max. capacity is 2 gigabytes of space - so you're looking at just over 1 billion 2-byte characters that will fit into a NVARCHAR(MAX) field.
Using the other answer's more detailed numbers, you should be able to store
(2 ^ 31 - 1...
How to create a new language for use in Visual Studio
...is Boo. The language and Visual Studio integration are open source. So you can take a look at exactly what they had to do.
Boo Language: https://github.com/boo/boo-lang
Boo Syntax Highlighting for VS2010 (VSX add-in): http://vs2010boo.codeplex.com/
Boo Language Studio (syntax highlighting for VS20...
Using usort in php with a class private function
ok using usort with a function is not so complicated
5 Answers
5
...
module unsafe for SAFESEH image C++
...on if you downloaded a binary for opencv_ffmpeg instead of the source. You can turn the linker option off but then you'll still have a CRT version incompatibility that can byte. Rebuild the library from source. – Hans Passant May 15 at 13:01
Thanks for the help, it worked – Aaron T...
What are '$$' used for in PL/pgSQL
...for dollar quoting and are in no way specific to function definitions. It can be used to replace single quotes practically anywhere in SQL scripts.
The body of a function happens to be a string literal which has to be enclosed in single quotes. Dollar-quoting is a PostgreSQL-specific substitute fo...
How can I tell Moq to return a Task?
...
Your method doesn't have any callbacks so there is no reason to use .CallBack(). You can simply return a Task with the desired values using .Returns() and Task.FromResult, e.g.:
MyType someValue=...;
mock.Setup(arg=>arg.DoSomethingAsync())
...
Return first match of Ruby regex
...
@dmourati You can find this feature documented in String#[]. Thanks for asking about the doc, because in reading it I found the capture argument – which lets you return a capture instead of the full match.
– slothbe...
Rails.env vs RAILS_ENV
...ctiveSupport::StringInquirer.new(RAILS_ENV)
end
But, look at specifically how it's wrapped, using ActiveSupport::StringInquirer:
Wrapping a string in this class gives
you a prettier way to test for
equality. The value returned by
Rails.env is wrapped in a
StringInquirer object s...