大约有 16,000 项符合查询结果(耗时:0.0395秒) [XML]

https://stackoverflow.com/ques... 

Best practice for instantiating a new Android Fragment

...ndle to the setArguments method. So, for example, if we wanted to pass an integer to the fragment we would use something like: public static MyFragment newInstance(int someInt) { MyFragment myFragment = new MyFragment(); Bundle args = new Bundle(); args.putInt("someInt", someInt); ...
https://stackoverflow.com/ques... 

What is the best workaround for the WCF client `using` block issue?

...void, the easiest way to handle return values is via a captured variable: int newOrderId = 0; // need a value for definite assignment Service<IOrderService>.Use(orderService=> { newOrderId = orderService.PlaceOrder(request); }); Console.WriteLine(newOrderId); // should be updated ...
https://stackoverflow.com/ques... 

How can I catch a 404?

...ts without making my own lookup list? I would like to have something like: int httpresponsecode = HttpStatusCode.ToInt() or similar so I get 404 – BerggreenDK Apr 12 '11 at 14:42 2...
https://stackoverflow.com/ques... 

Start an Activity with a parameter

... Put an int which is your id into the new Intent. Intent intent = new Intent(FirstActivity.this, SecondActivity.class); Bundle b = new Bundle(); b.putInt("key", 1); //Your id intent.putExtras(b); //Put your id to your next Intent st...
https://stackoverflow.com/ques... 

Transitioning from Windows Forms to WPF

...ing the data. In XAML you are defining how the UI will interpret the data. Converters are amazing. As soon as you get a key amount of Converters, your productivity will rocket Sky high. They will take over the role of the crazy amount of control eventhandlers that hide or resize, or what ever about ...
https://stackoverflow.com/ques... 

PostgreSQL: Difference between text and varchar (character varying)

...ternate ways on constraining the length when needed. Function based constraints or domains provide the advantage of instant increase of the length constraint, and on the basis that decreasing a string length constraint is rare, depesz concludes that one of them is usually the best choice for a lengt...
https://stackoverflow.com/ques... 

How to explicitly discard an out argument?

...avoid predeclaring out parameters as well as ignoring them. public void PrintCoordinates(Point p) { p.GetCoordinates(out int x, out int y); WriteLine($"({x}, {y})"); } public void PrintXCoordinate(Point p) { p.GetCoordinates(out int x, out _); // I only care about x WriteLine($"{x}...
https://stackoverflow.com/ques... 

Get all related Django model objects

How can I get a list of all the model objects that have a ForeignKey pointing to an object? (Something like the delete confirmation page in the Django admin before DELETE CASCADE). ...
https://stackoverflow.com/ques... 

New to unit testing, how to write great tests? [closed]

...should not look inside the method to see what it is doing, so changing the internals should not cause the test to fail. You should not directly test that private methods are being called. If you are interested in finding out whether your private code is being tested then use a code coverage tool. Bu...
https://stackoverflow.com/ques... 

Select statement to find duplicates on certain fields

...s with null values in the columns examined. create table Table1 ( Field1 int, Field2 int, Field3 int, Field4 int ) insert Table1 values (1,1,1,1) , (1,1,1,2) , (1,1,1,3) , (2,2,2,1) , (3,3,3,1) , (3,3,3,2) , (null, null, 2, 1) , (nu...