heron questions

• May I save user id inside $_SESSION variables?
• How to change NOW() timezone
• Fire function if visitor tries to close browser window by clicking "x" button
• Web based IDE solution [closed]
• PHP tidy removes <span>
• Shuffle random picture from resources on button click
• Generating new css from old css file that consists only needed selectors using Javascript
• C# Error: Unassigned local variable error when using "switch"?
• Double borders in CSS
• Delete rows from multiple tables at once

heron answers