大约有 43,000 项符合查询结果(耗时:0.0716秒) [XML]

https://stackoverflow.com/ques... 

Are the days of passing const std::string & as a parameter over?

I heard a recent talk by Herb Sutter who suggested that the reasons to pass std::vector and std::string by const & are largely gone. He suggested that writing a function such as the following is now preferable: ...
https://stackoverflow.com/ques... 

How to count the number of occurrences of an element in a List

I have an ArrayList , a Collection class of Java, as follows: 22 Answers 22 ...
https://stackoverflow.com/ques... 

What is unit testing? [closed]

I saw many questions asking 'how' to unit test in a specific language, but no question asking 'what', 'why', and 'when'. 20...
https://stackoverflow.com/ques... 

What does threadsafe mean?

Recently I tried to Access a textbox from a thread (other than the UI thread) and an exception was thrown. It said something about the "code not being thread safe" and so I ended up writing a delegate (sample from MSDN helped) and calling it instead. ...
https://stackoverflow.com/ques... 

What is the facade design pattern?

Is facade a class which contains a lot of other classes? 20 Answers 20 ...
https://stackoverflow.com/ques... 

Mimicking sets in JavaScript?

I'm working in JavaScript. I'd like to store a list of unique , unordered string values, with the following properties: 7 ...
https://stackoverflow.com/ques... 

Why does printf not flush after the call unless a newline is in the format string?

Why does printf not flush after the call unless a newline is in the format string? Is this POSIX behavior? How might I have printf immediately flush every time? ...
https://stackoverflow.com/ques... 

What is the meaning of prepended double colon “::”?

I found this line of a code in a class which I have to modify: 9 Answers 9 ...
https://stackoverflow.com/ques... 

Why is it string.join(list) instead of list.join(string)?

This has always confused me. It seems like this would be nicer: 10 Answers 10 ...
https://stackoverflow.com/ques... 

Which is more efficient: Multiple MySQL tables or one large table?

I store various user details in my MySQL database. Originally it was set up in various tables meaning data is linked with UserIds and outputting via sometimes complicated calls to display and manipulate the data as required. Setting up a new system, it almost makes sense to combine all of these tabl...