大约有 47,000 项符合查询结果(耗时:0.0312秒) [XML]
must appear in the GROUP BY clause or be used in an aggregate function
...with itself to get the additional columns you'd need to show:
SELECT m.cnam>me m>, m.wmnam>me m>, t.mx
FROM (
SELECT cnam>me m>, MAX(avg) AS mx
FROM makerar
GROUP BY cnam>me m>
) t JOIN makerar m ON m.cnam>me m> = t.cnam>me m> AND t.mx = m.avg
;
cnam>me m> | wmnam>me m> | mx
--------+--------+------...
'pip' is not recognized as an internal or external command
...riable. By default, pip is installed to C:\Python34\Scripts\pip (pip now com>me m>s bundled with new versions of python), so the path "C:\Python34\Scripts" needs to be added to your PATH variable.
To check if it is already in your PATH variable, type echo %PATH% at the CMD prompt
To add the path of you...
git add, commit and push commands in one?
...Making lazygit a function instead of an alias allows you to pass it an argum>me m>nt. I have added the following to my .bashrc (or .bash_profile if Mac):
function lazygit() {
git add .
git commit -a -m "$1"
git push
}
This allows you to provide a commit m>me m>ssage, such as
lazygit "My commi...
Graph Algorithm To Find All Connections Between Two Arbitrary Vertices
I am trying to determine the best tim>me m> efficient algorithm to accomplish the task described below.
16 Answers
...
How to check if a string contains a substring in Bash
...
You can use Marcus's answer (* wildcards) outside a case statem>me m>nt, too, if you use double brackets:
string='My long string'
if [[ $string == *"My long"* ]]; then
echo "It's there!"
fi
Note that spaces in the needle string need to be placed between double quotes, and the * wildcard...
Is it worth using Python's re.compile?
...
I've had a lot of experience running a compiled regex 1000s of tim>me m>s versus compiling on-the-fly, and have not noticed any perceivable difference. Obviously, this is anecdotal, and certainly not a great argum>me m>nt against compiling, but I've found the difference to be negligible.
EDIT:
Aft...
How do I force make/GCC to show m>me m> the commands?
...tion problem, but I cannot seem to get GCC (or maybe it is make??) to show m>me m> the actual compiler and linker commands it is executing.
...
No appenders could be found for logger(log4j)?
I have put log4j to my buildpath, but I get the following m>me m>ssage when I run my application:
31 Answers
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Permanently add a directory to PYTHONPATH?
...
You need to add your new directory to the environm>me m>nt variable PYTHONPATH, separated by a colon from previous contents thereof. In any form of Unix, you can do that in a startup script appropriate to whatever shell you're using (.profile or whatever, depending on your favo...
Git submodule add: “a git directory is found locally” issue
...
I cam>me m> to this SO post trying to add a submodule with the sam>me m> path as a submodule that I recently deleted.
This is what ultimately worked for m>me m> (this article helped out a lot):
If you haven't already run git rm --cached path_...
