大约有 24,000 项符合查询结果（耗时：0.0230秒） [XML]
ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
...
If you are using ubuntu, you have to use the following steps to avoid this error(if there is no replication enabled):
run the command vim /etc/mysql/my.cnf
comment bind-address = 127.0.0.1 using the # symbol
restart your mysql server once.
Update
In Step 1, if you cannot find b...
Find (and kill) process locking port 3000 on Mac
How do I find (and kill) processes that listen to/use my tcp ports? I'm on mac os x.
31 Answers
...
How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
....org/pub/repos/apt/ utopic-pgdg main
Follow below commands
wget -q -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo apt-get update
sudo apt-get install postgresql-9.4
sudo pg_dropcluster --stop 9.4 main
sudo /etc/init.d/postgresql start
Now we have everything, ...
git:// protocol blocked by company, how can I get around that?
... diagnose this as the actual problem.
Diagnosing the Problem
References: https://superuser.com/q/621870/203918 and https://unix.stackexchange.com/q/11756/57414
There are several tools we can use to determine if the firewall causing our problem - use whichever is installed on your system.
# Using...
What is the difference between syntax and semantics in programming languages?
What is the difference between syntax and semantics in programming languages (like C, C++)?
10 Answers
...
How to repeat last command in python interpreter shell?
How do I repeat the last command? The usual keys: Up, Ctrl+Up, Alt-p don't work. They produce nonsensical characters.
26 An...
Get a pixel from HTML Canvas?
Is it possible to query a HTML Canvas object to get the color at a specific location?
10 Answers
...
is there an virtual environment for node.js?
...e also some Node version management systems that can help.
Check out Nave https://github.com/isaacs/nave
NVM could also be used https://github.com/creationix/nvm
There is also one called n https://github.com/visionmedia/n
...
Correct way to convert size in bytes to KB, MB, GB in JavaScript
I got this code to covert size in bytes via PHP.
17 Answers
17
...
Circle-Rectangle collision detection (intersection)
How can I tell whether a circle and a rectangle intersect in 2D Euclidean space? (i.e. classic 2D geometry)
25 Answers
...