vaibhav questions

• how to make the margin constant on both side of a div
• Adding a space before 3rd character from end of string
• Angular JS : Uncaught DOMException: Failed to execute 'removeChild' on 'Node' on HTMLScriptElement.callback
• JSON-Simple causes compiler warning "Type safety: The method put(Object, Object) belongs to the raw type HashMap."

vaibhav answers