大约有 47,000 项符合查询结果(耗时:0.0781秒) [XML]

https://stackoverflow.com/ques... 

Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]

...hange of sublayers within one of my layers, as well as changes in the size and contents of the layer. I believe the contents key is the one you're looking for in order to prevent the crossfade on updated drawing. Swift version: let newActions = [ "onOrderIn": NSNull(), "onOrderO...
https://stackoverflow.com/ques... 

Allowing interaction with a UIView under another UIView

... You should create a UIView subclass for your top view and override the following method: - (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event { // UIView will be "transparent" for touch events if we return NO return (point.y < MIDDLE_Y1 || point.y > MIDDL...
https://stackoverflow.com/ques... 

HTTP headers in Websockets client API

... Updated 2x Short answer: No, only the path and protocol field can be specified. Longer answer: There is no method in the JavaScript WebSockets API for specifying additional headers for the client/browser to send. The HTTP path ("GET /xyz") and protocol header ("Sec-...
https://stackoverflow.com/ques... 

What is the naming convention in Python for variable and function names?

Coming from a C# background the naming convention for variables and method names are usually either camelCase or PascalCase: ...
https://stackoverflow.com/ques... 

How do I handle the window close event in Tkinter?

How do I handle the window close event (user clicking the 'X' button) in a Python Tkinter program? 6 Answers ...
https://stackoverflow.com/ques... 

Why can I access private variables in the copy constructor?

...eiterating what behaviour's valid. "access modifiers work on class level, and not on object level." - yes, but why? The overarching concept here is that it's the programmer(s) designing, writing and maintaining a class who is(are) expected to understand the OO encapsulation desired and empowered t...
https://stackoverflow.com/ques... 

socket.error: [Errno 48] Address already in use

...module before, it is most likely that process still bound to the port. Try and locate the other process first: $ ps -fA | grep python 501 81651 12648 0 9:53PM ttys000 0:00.16 python -m SimpleHTTPServer The command arguments are included, so you can spot the one running SimpleHTTPServer if...
https://stackoverflow.com/ques... 

How can I ignore a property when serializing using the DataContractSerializer?

I am using .NET 3.5SP1 and DataContractSerializer to serialize a class. In SP1, they changed the behavior so that you don't have to include DataContract / DataMember attributes on the class and it will just serialize the entire thing. This is the behavior I am using, but now I need to ignore o...
https://stackoverflow.com/ques... 

trying to animate a constraint in swift

... that I want to enlarge its width when tapped on. I set up the constraints and made sure the constraint on the left has the lower priority then the one that I am trying to animate on the right side. ...
https://stackoverflow.com/ques... 

Should functions return null or an empty object?

...g data from functions. Is it better to return a Null or an empty object? And why should one do one over the other? 31 Ans...