Lamp Questions

If you know questions put them here. If you know answer of a question put below that question. If you have doubt in any question or answer, you can add comments below that answer.

Eg.

Q. What is scaffolding?

A. Scaffolding is a meta-programming method of building database-backed software applications. It is a technique supported by some model-view-controller frameworks, in which the programmer may write a specification that describes how the application database may be used. The compiler uses this specification to generate code that the application can use to create, read, update and delete database entries, effectively treating the template as a "scaffold" on which to build a more powerful application. Scaffolding was popularized by the Ruby on Rails framework. It has been adapted to other software frameworks CodeIgniter, Symfony, CakePHP, Yii.

Q. What are friend functions?

A. If a function declared as friend in a class. Then a friend class of that class can call that friend function and no visibility rule apply there.

Q. What happened if the action of any form is "mailto " and thats form containing some textboxes and textareas.?

A. If the method of form is POST than values of textarea and textfield will come in the body of mail body with field name like t=puneet&submit=submit (where t is the name of textbox name) And if the method is GET than nothing will come in mail body.

Q. IF we want to stop the display of folder content directly on browser like http://abs.com/image/ then what should we do?

A. For that we have a function in .htaccess file directoryIndex off . once you set the value of directoryIndex as off then the value of folder will not reveal out on browser directty.