大约有 7,400 项符合查询结果（耗时：0.0251秒） [XML]
Compare floats in php
... divide on $b ? the PHP manual just did if(abs($a-$b) < $epsilon) the MySQL manual also did the same HAVING ABS(a - b) <= 0.0001
– Accountant م
May 1 '17 at 18:51
1
...
Wait for a process to finish
...
I found "kill -0" does not work if the process is owned by root (or other), so I used pgrep and came up with:
while pgrep -u root process_name > /dev/null; do sleep 1; done
This would have the disadvantage of probably matching zombie processes.
...
Git - fatal: Unable to create '/path/my_project/.git/index.lock': File exists
...
Did you accidentally create the repository using the root user?
It just happens that I created the git repository as the root user.
I deleted the git repository and created it again without sudo and it works.
...
Not equal != operator on NULL
...i as I understand, which brought in a lot of ANSI-92 syntax. My belief is MySQL is similar, starting support in 4.x.
– OMG Ponies
Apr 14 '11 at 4:46
...
docker error: /var/run/docker.sock: no such file or directory
... using boot2docker as every command passed into the boot2docker VM runs as root by default.
You're seeing the error when you're running as sudo because sudo doesn't have the DOCKER_HOST env set, only your user does.
You can confirm this by doing a:
$ env
Then a
$ sudo env
And looking for DOC...
How to exit in Node.js
... encounter, including Unix shells like Bash, the shells for databases like MySQL and PostgreSQL, and the REPLs for programming languages like Python, PHP, and Ruby. It is the only method of exiting shells I ever use.
– Mark Amery
May 23 '15 at 22:52
...
How to clean node_modules folder of packages that are not in package.json?
...far as I know, in new NPM version, all the dependencies are located at the root node_modules folder, and not as before, where each dependency had it's own dependencies install in their own node_modules folders..with countless copies of the same dependencies... so does npm prune takes this into consi...
How do I unlock a SQLite database?
...
@KyleCarlson - sqlite and mysql is fundamentaly different in that aspect. There's nothing particularly wrong with SQLite-db-browser.
– Berry Tsakala
Dec 23 '13 at 15:46
...
Default value in Doctrine
...nd to use the columnDefinition in the annotation, or somebody will use the mysql client or phpmyadmin and the values will be wrong...
– NDM
May 4 '15 at 14:09
...
Gulp command not found after install
... case, once I ran:
npm config set prefix /usr/local
I confirmed the npm root -g was pointing to /usr/local/lib/node_modules/npm, but in order to install gulp in /usr/local/lib/node_modules, I had to use sudo:
sudo npm install gulp -g
...