Here is some notes about Docker I learned today.
Apt-get Connection Failed
The following error happens when I run “apt-get dist-upgrade”:
How to read configuration file in Rails
Run program automatically on startup under Ubuntu
The Invisible Cron Job
On a server we know there is a database backup process which runs twice a day but there is nothing related in the “crontab -e” text content. Why?
Matplotlib and Its Local Library Dependencies
How to make RVM and Sdkman coexist
Understanding Java Weak References
From here.