大约有 5,213 项符合查询结果（耗时：0.0307秒） [XML]
How to make an array of arrays in Java
Hypothetically, I have 5 string array objects:
4 Answers
4
...
Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
I just found a comment in this answer saying that using iostream::eof in a loop condition is "almost certainly wrong". I generally use something like while(cin>>n) - which I guess implicitly checks for EOF.
...
How can I get zoom functionality for images?
Is there a common way to show a big image and enable the user to zoom in and out and pan the image?
13 Answers
...
What is the boundary in multipart/form-data?
I want to ask a question about the multipart/form-data . In the HTTP header, I find that the Content-Type: multipart/form-data; boundary=??? .
...
Is there a constraint that restricts my generic method to numeric types?
Can anyone tell me if there is a way with generics to limit a generic type argument T to only:
21 Answers
...
How to un-submodule a Git submodule?
What are the best practices for un-submoduling a Git submodule, bringing all the code back into the core repository?
12 Ans...
std::string formatting like sprintf
I have to format std::string with sprintf and send it into file stream. How can I do this?
40 Answers
...
What's the difference between using CGFloat and float?
I tend to use CGFloat all over the place, but I wonder if I get a senseless "performance hit" with this. CGFloat seems to be something "heavier" than float, right? At which points should I use CGFloat, and what makes really the difference?
...
How to generate keyboard events in Python?
short summary:
9 Answers
9
...
What is the best way to solve an Objective-C namespace collision?
Objective-C has no namespaces; it's much like C, everything is within one global namespace. Common practice is to prefix classes with initials, e.g. if you are working at IBM, you could prefix them with "IBM"; if you work for Microsoft, you could use "MS"; and so on. Sometimes the initials refer to ...