大约有 42,000 项符合查询结果（耗时：0.0610秒） [XML]
Does assignment with a comma work?
Why does aaa = 1,2,3 work and set the value of aaa to 1 ?
4 Answers
4
...
Python nested functions variable scoping [duplicate]
I've read almost all the other questions about the topic, but my code still doesn't work.
10 Answers
...
How to convert a string to utf-8 in Python
I have a browser which sends utf-8 characters to my Python server, but when I retrieve it from the query string, the encoding that Python returns is ASCII. How can I convert the plain string to utf-8?
...
Make a negative number positive
I have a Java method in which I'm summing a set of numbers. However, I want any negatives numbers to be treated as positives. So (1)+(2)+(1)+(-1) should equal 5.
...
What is the most robust way to force a UIView to redraw?
I have a UITableView with a list of items. Selecting an item pushes a viewController that then proceeds to do the following. from method viewDidLoad I fire off a URLRequest for data that is required by on of my subviews - a UIView subclass with drawRect overridden. When the data arrives from the clo...
Delegates in swift?
How does one go about making a delegate, i.e. NSUserNotificationCenterDelegate in swift?
12 Answers
...
Volatile vs. Interlocked vs. lock
Let's say that a class has a public int counter field that is accessed by multiple threads. This int is only incremented or decremented.
...
Entity Framework 4 Single() vs First() vs FirstOrDefault()
I'm having a devil of a time finding a comparison of the different ways to query for a single item, and when to use each.
6...
What's the effect of adding 'return false' to a click event listener?
Many times I've seen links like these in HTML pages:
15 Answers
15
...
WebRTC - scalable live stream broadcasting / multicasting
...
12 Answers
12
Active
...