大约有 40,000 项符合查询结果（耗时：0.0560秒） [XML]
How to get a Docker container's IP address from the host
...n. Maybe provide two examples clearly labelled Linux and Windows. I literally just typed the example, checked the docs which also uses single quotes and then Googled the error. I'm sure I'm not alone.
– Wyck
Apr 15 '19 at 18:42
...
Outputting data from unit test in python
If I'm writing unit tests in python (using the unittest module), is it possible to output data from a failed test, so I can examine it to help deduce what caused the error? I am aware of the ability to create a customized message, which can carry some information, but sometimes you might deal with m...
How to request Administrator access inside a batch file
... permissions
IF "%PROCESSOR_ARCHITECTURE%" EQU "amd64" (
>nul 2>&1 "%SYSTEMROOT%\SysWOW64\cacls.exe" "%SYSTEMROOT%\SysWOW64\config\system"
) ELSE (
>nul 2>&1 "%SYSTEMROOT%\system32\cacls.exe" "%SYSTEMROOT%\system32\config\system"
)
REM --> If error flag set, we do not hav...
How do I pass extra arguments to a Python decorator?
...
Since you are calling the decorator like a function, it needs to return another function which is the actual decorator:
def my_decorator(param):
def actual_decorator(func):
print("Decorating function {}, with parameter {}".format(func.__name__, param))
...
How can one check to see if a remote file exists using PHP?
...PT_USERAGENT in addition to CURLOPT_NOBODY: davidwalsh.name/set-user-agent-php-curl-spoof
– rlorenzo
Aug 17 '12 at 22:30
...
[ :Unexpected operator in shell programming [duplicate]
...an use case/esac instead of if/else
case "$choose" in
[yY]) echo "Yes" && exit;;
[nN]) echo "No" && exit;;
* ) echo "wrong input" && exit;;
esac
share
|
improve this ...
How do I pass a method as a parameter in Python
...
Yes it is, just use the name of the method, as you have written. Methods and functions are objects in Python, just like anything else, and you can pass them around the way you do variables. In fact, you can think about a method (or function) as a variable...
Display an array in a readable/hierarchical format
...
<?php foreach($data[0] as $child) { echo $child . "<br />"; }?> this worked great thanks Brian !
– Xavier
Mar 22 '11 at 14:58
...
Integer to hex string in C++
...ex_len-1)*4 ; i<hex_len; ++i,j-=4)
rc[i] = digits[(w>>j) & 0x0f];
return rc;
}
share
|
improve this answer
|
follow
|
...
How to combine two strings together in PHP?
...atenate two strings together.
Use the concatenation operator . (and .=)
In PHP . is the concatenation operator which returns the concatenation of its right and left arguments
$data1 = "the color is";
$data2 = "red";
$result = $data1 . ' ' . $data2;
If you want to append a string to another string ...