Mureinik questions

Mureinik answers

• String Reverse Confusion in java - String - StringBulider
• Javadoc @param with -
• Am I performing my order of operations incorrectly in Java?
• Object Oriented adding items to an a arrayList
• How to count the number of occurrences of a specific value in a column in SQL without doing two SQL calls
• gitlab-ci.yml: syntax error near unexpected token `fi'
• There's a GROUP_CONCAT, is there a GROUP_SUM?
• Type Error with operations with dates (datetime package)
• Is there a .gitnotice file?
• new line character in JSP