Why do we need to write test classes?

551

What are the different file permissions in the HDFS for files or directory levels?

146

What does split () do in python?

1002

What does time time () do in python?

825

Can I specify fractional weight values such as 670 or 973 for font weight?

825

What is a contextual selector in css?

599

What are fixed type contracts in procurement processes?

911

Is jdbc secure?

981

Implement a function with both ratioed and domino logic and merits and demerits of each logic?

3796

What are the examples of non-deterministic force.com formula fields?

565

What are functions in sql?

955

How to clone an object in javascript?

1010

Explain what is discrete and continuous data in data mining world?

42

How is it different from a normal table?

1032

In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

2031