KRB questions

• Should htmlspecialchars() be used on information on input or just before output?
• How do I Update Only a Few Rows at a Time? (Multiple-Table Syntax)
• Git Merge Conflict (UU): How do I resolve conflict without adding file to next commit?
• PHP - Does a class need to have the same name as the file?
• Overriding body background with JQuery?
• How do I setup a private git repository in Ubuntu?
• Should I use both striptags() and htmlspecialchars() to prevent XSS?
• How do you find if a number is within a range in Java? Problems with Math.abs(num1-num2) <= inRange
• How to retrieve a YouTube video's tags with YouTube v3 API?
• Can I assign a value to a $_POST variable in PHP?

KRB answers