大约有 15,640 项符合查询结果（耗时：0.0352秒） [XML]
How to achieve function overloading in C?
...f you leave it off and the type doesn't match, it will cause a compilation error.)
The way this is useful for function overloading is that it can be inserted by the C preprocessor and choose a result expression based on the type of the arguments passed to the controlling macro. So (example from the...
Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...
}
return 0;
}
#else /* else of: #elif defined(__APPLE__) */
#error provide your own implementation
#endif /* end of: #if defined(_WIN32) */
And then you just have to parse the string to extract the executable name from the path.
...
How do I change the root directory of an apache server? [closed]
...
I'm getting a forbidden error You don't have permission to access / on this server. when I hit localhost:80 in my browser. Do I need to change the port?
– Costa
Feb 5 '15 at 20:34
...
How can I rollback a github repository to a specific commit?
...HEAD --force instead of git push -f origin branch as that was giving me an error: src refspec branch does not match any. error
– sprocket12
Feb 18 '15 at 20:38
1
...
How to Rotate a UIImage 90 degrees?
...his. I set a target size as the current size of the UIImage but I get an error:
19 Answers
...
How do I convert a Vector of bytes (u8) to a string
...::str;
//
// pub fn from_utf8(v: &[u8]) -> Result<&str, Utf8Error>
//
// Assuming buf: &[u8]
//
fn main() {
let buf = &[0x41u8, 0x41u8, 0x42u8];
let s = match str::from_utf8(buf) {
Ok(v) => v,
Err(e) => panic!("Invalid UTF-8 sequence: {}", e...
Actual meaning of 'shell=True' in subprocess
...gt; subprocess.call('echo $HOME')
Traceback (most recent call last):
...
OSError: [Errno 2] No such file or directory
>>>
>>> subprocess.call('echo $HOME', shell=True)
/user/khong
0
Setting the shell argument to a true value causes subprocess to spawn an intermediate shell pro...
Passing arguments to C# generic new() of templated type
...ll, and somebody might try to "clean up" and delete it (to cause a runtime error at some random time in the future). You may want to consider adding a dummy function where you use this constructor just so you get a compile error if you try to delete it.
– jrh
O...
How can I brew link a specific version?
...
Unfortunately, brew tap homebrew/versions now gives me an error Error: homebrew/versions was deprecated. This tap is now empty as all its formulae were migrated `
– Juraj Martinka
Jun 14 '19 at 11:57
...
How do I override __getattr__ in Python without breaking the default behavior?
...lled bar. If the attribute is one you don't want to handle, raise AttributeError:
class Foo(object):
def __getattr__(self, name):
if some_predicate(name):
# ...
else:
# Default behaviour
raise AttributeError
However, unlike __getattr__, __ge...