symfony questions

• Can you contrive a simple example in MySQL where clustered index is the solution, instead of normal index?
• How to define a method that can take arbitrary arguments in java?
• Is 0 necessary in 0777 here in PHP?
• How to include the mysql header?
• How does extern work in c++?
• What's "@Override" there for in java?
• When should you use outerHTML in JavaScript? [closed]

symfony answers