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.
Notes of Installing Ubuntu 14.04.1 AMD64 on Virtualbox
Vim Tips
An error has occurred in Atlassian Confluence
I got the following error page when using Atlassian Confluence version 5.5.6, which tells me several facts:
Confluence is using Struts, String and Hibernate based on Java;
Tomcat is used;
The Java frameworks are really complex from the point of call stack view. This is the longest Java call stack(356) I have even seen.