大约有 5,240 项符合查询结果（耗时：0.0230秒） [XML]
Use-case of `oneway void` in Objective-C?
I found a strange keyword in NSObject.h
2 Answers
2
...
Which is faster : if (bool) or if(int)?
The above topic made me do some experiments with bool and int in if condition. So just out of curiosity I wrote this program:
...
String.equals versus == [duplicate]
This code separates a string into tokens and stores them in an array of strings, and then compares a variable with the first home ... why isn't it working?
...
How can I pass a member function where a free function is expected?
The question is the following: consider this piece of code:
9 Answers
9
...
Creating an abstract class in Objective-C
I'm originally a Java programmer who now works with Objective-C. I'd like to create an abstract class, but that doesn't appear to be possible in Objective-C. Is this possible?
...
Reliable way for a Bash script to get the full path to itself [duplicate]
I have a Bash script that needs to know its full path. I'm trying to find a broadly-compatible way of doing that without ending up with relative or funky-looking paths. I only need to support Bash, not sh, csh, etc.
...
What's the point of const pointers?
I'm not talking about pointers to const values, but const pointers themselves.
17 Answers
...
Jackson how to transform JsonNode to ArrayNode without casting?
I am changing my JSON library from org.json to Jackson and I want to migrate the following code:
4 Answers
...
What is __pycache__?
From what I understand, a cache is an encrypted file of similar files.
10 Answers
10
...
How do you build a Singleton in Dart?
The singleton pattern ensures only one instance of a class is ever created. How do I build this in Dart?
15 Answers
...