How to modify the form validation in drupal?

93

State the necessary condition for differentiability of a function f(x,y) at a point (a,b).

830

What are the different types of routing policies in route53?

104

Is there a way to remove the last object from a list?

467

What are circular references? How garbage collection deals with circular references.

532

What is volcanologists?

533

What is advantage of categories? What is difference between implementing a category and inheritance?

372

Explain the codeigniter library.

314

Explain python is one line?

452

Why is the importance of a consistent style? What tools can help you assure a consistent style?

215

Define inner join? Explain with an example?

509

What according to you should be done for the growth and development of the economy?

598

Name the two most abundant elements in the universe?

542

Can you use objective c in swift?

1

What are the implicit member functions of class?

593