Why do we need apache spark?

274

How can you return multiple values from a function?

1132

Android ui is threadsafe? Is it true or false?

938

Which file extensions are most dangerous?

922

What are the two types of tags?

792

What is the ctrl alt delete menu called?

646

Explain cell padding and cell spacing.

831

Explain the difference between delete,drop and truncate in SQL Server?

1111

Dog lies down to sleep only after observing the surroundings. Why?

990

What do you do with deadletter queue cases?

974

Why vestigial side band is used in tv signal transmission?

992

How much quantity water should be placed in one cubic meter area?

1313

Step 3&4 are repeated until an the object in recognised uniquely.

2043

What is merge sort in c?

1057

What is the android g1 phone?

960