大约有 9,000 项符合查询结果（耗时：0.0177秒） [XML]
What makes a keychain item unique (in iOS)?
...eychains in iOS (iPhone, iPad, ...). I think (but am not sure) that the implementation of keychains under Mac OS X raises the same question with the same answer.
...
How to stop tracking and ignore changes to a file in Git?
I have cloned a project that includes some .csproj files. I don't need/like my local csproj files being tracked by Git (or being brought up when creating a patch), but clearly they are needed in the project.
...
How to center an element horizontally and vertically
I am trying to center my tabs content vertically, but when I add the CSS style display:inline-flex , the horizontal text-align disappears.
...
Typedef function pointer?
I'm learning how to dynamically load DLL's but what I don't understand is this line
6 Answers
...
How do I navigate in the results of Diff
When I do a Git diff, it shows the code with the diff and it looks great. But how do I go to the next page or the next document.
...
How do I make and use a Queue in Objective-C?
... to use a queue data structure in my Objective-C program. In C++ I'd use the STL queue. What is the equivalent data structure in Objective-C? How do I push/pop items?
...
How to .gitignore files recursively
I'm trying to avoid the following pattern in my .gitignore file.
4 Answers
4
...
How to get orientation-dependent height and width of the screen?
I'm trying to programmatically determine the current height and width of my application. I use this:
11 Answers
...
How to change max_allowed_packet size
I am having a problem with BLOB fields in my MySQL database - when uploading files larger than approx 1MB I get an error Packets larger than max_allowed_packet are not allowed.
...
What's the difference between a word and byte?
I've done some research.
A byte is 8 bits and a word is the smallest unit that can be addressed on memory. The exact length of a word varies. What I don't understand is what's the point of having a byte? Why not say 8 bits?
...