Joe questions

• How do I remove a certain line which has a certain variable using regex
• How do I know the list of commits / changes before I push
• How to specify the size of an integer in the migration script
• Do I need to install python packages as root [duplicate]
• Facelet was modified messages
• How to make maven-pmd-plugin support the latest PMD release?
• how do you enforce conditional not null check across sql columns
• How to generate random numbers which will provide proper results on division
• auto generation of serial version uid using maven2 plugin
• How to track user online status?

Joe answers