大约有 47,000 项符合查询结果(耗时:0.0774秒) [XML]

https://stackoverflow.com/ques... 

How do I make Git ignore file mode (chmod) changes?

...bit on. git-clone(1) or git-init(1) probe the filesystem to see if it handles the executable bit correctly and this variable is automatically set as necessary. A repository, however, may be on a filesystem that handles the filemode correctly, and this variable is set to true wh...
https://stackoverflow.com/ques... 

When should you use 'friend' in C++?

I have been reading through the C++ FAQ and was curious about the friend declaration. I personally have never used it, however I am interested in exploring the language. ...
https://stackoverflow.com/ques... 

How do I catch a PHP fatal (`E_ERROR`) error?

I can use set_error_handler() to catch most PHP errors, but it doesn't work for fatal ( E_ERROR ) errors, such as calling a function that doesn't exist. Is there another way to catch these errors? ...
https://stackoverflow.com/ques... 

When to use self over $this?

In PHP 5, what is the difference between using self and $this ? 23 Answers 23 ...
https://stackoverflow.com/ques... 

git pull while not in a git directory

...y, /X/Y , which is a git repository. Is it possible to somehow call a command like git pull from inside /X , but targeting the /X/Y directory? ...
https://stackoverflow.com/ques... 

In MySQL queries, why use join instead of where?

...plicit is almost universally better. Conclusion Short of familiarity and/or comfort, I don't see any benefit to continuing to use the ANSI-89 WHERE clause instead of the ANSI-92 JOIN syntax. Some might complain that ANSI-92 syntax is more verbose, but that's what makes it explicit. The more e...
https://stackoverflow.com/ques... 

keep rsync from removing unfinished source files

I have two machines, speed and mass. speed has a fast Internet connection and is running a crawler which downloads a lot of files to disk. mass has a lot of disk space. I want to move the files from speed to mass after they're done downloading. Ideally, I'd just run: ...
https://stackoverflow.com/ques... 

Should I use 'has_key()' or 'in' on Python dicts?

...ng, I didn't see that. I suppose it's because x in d.keys() must construct and destroy a temporary object, complete with the memory allocation that entails, where x in d.keys() is just doing an arithmetic operation (computing the hash) and doing a lookup. Note that d.keys() is only about 10 times as...
https://stackoverflow.com/ques... 

PHP shell_exec() vs exec()

I'm struggling to understand the difference between shell_exec() and exec() ... 4 Answers ...
https://stackoverflow.com/ques... 

What is the difference between LINQ ToDictionary and ToLookup

What is the difference between LINQ ToDictionary and ToLookup? They seem to do the same thing. 2 Answers ...