大约有 9,300 项符合查询结果（耗时：0.0323秒） [XML]
Why is it not possible to extend annotations in Java?
...m. And this would be a fairly unique type system, so you could not simply apply an OO type paradigm.
Think through all the issues when you introduce polymorphism and inheritance to an annotation (e.g. what happens when sub-annotation changes meta-annotation specs such as retention?)
And all thi...
Adding System.Web.Script reference in class library
I am currently moving code from my app_code folder to a class library. I have tagged several methods with [System.Web.Script.Serialization.ScriptIgnore] attributes. My class library cannot see this namespace. My add references dialog cannot see this namespace. How do I properly use this tag fr...
Replacement for deprecated sizeWithFont: in iOS 7?
...the function on multiple threads simultaneously, it'll probably crash your app. This is why in iOS 6, they introduced a the boundingRectWithSize:... method for NSAttributedString. This was built on top of the NSStringDrawing libraries and is thread safe.
If you look at the new NSString bounding...
Is the C# static constructor thread safe?
...
Static constructors are guaranteed to be run only once per application domain, before any instances of a class are created or any static members are accessed. https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/classes-and-structs/static-constructors
The implementation ...
“unrecognized selector sent to instance” error in Objective-C
... exactly right. Was following the Stanford iOS class on iTunesU when this happened. Thanks again for your answer!
– Marshall Alsup
Jul 10 '12 at 7:11
1
...
How do you pass custom environment variable on Amazon Elastic Beanstalk (AWS EBS)?
... @dingdong: yep, and in particular you can access them in your application. E.g. in Rails ENV["CUSTOM_ENV"] would return "something-something".
– lime
Jun 13 '14 at 11:25
...
How can I post data as form data instead of a request payload?
...to be added to the $http object that is passed:
headers: {'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'}
And the data passed should be converted to a URL-encoded string:
> $.param({fkey: "key"})
'fkey=key'
So you have something like:
$http({
method: 'POST',
url: url...
Convert objective-c typedef to its string equivalent
...ictionary) that maps an enum value to a string work, but I find that these approaches are not as clear as a function that makes the conversion explicit (and the array approach, although the classic C way is dangerous if your enum values are not continguous from 0). Something like this would work:
-...
Google Maps V3: How to disable “street view”?
...s the whole ui aka streetview button+ zoom buttons etc. I'm using it on my app and it still works. I added this comment to give an extra info because when i searched for disabling the whole interface this page came up first.
– perfectminimalist
Jun 5 '18 at 14:...
Copy/duplicate database without using mysqldump
...
I've cleaned-up this script by @jozjan and applied some of the comments regarding foreign and other keys to create this version on GIST gist.github.com/christopher-hopper/8431737
– Christopher
Jan 15 '14 at 7:08
...