Tell me something about objective-c blocks?

1

how to validate the date(dd/mm/yyyy)using regular expression in javascript? It should also satisfy the leap year feb 29 problem. Please help me.

6318

What is shadow dom and how it is helping to perform better in angular 2?

805

Can I change the margins on one page in word?

581

Explain the difference between pipe and a tube.

1103

What are the different types of operators in python?

840

Why is back emf used for a DC motor? Highlight its significance.

1209

Where can you find the information about the configuration of sap maxdb volumes of the type "file"?

1

What is upsizing?

1055

Compare Apache Hadoop and Apache Spark?

445

How will enable cd burning service in 2003?

333

What is the need for having multibyte data input and output buffers in case of device ports?

896

Is c still relevant?

1087

sir i have applied for ntpc and engineers india can u suggest some books which have one words.

1804

What are the automation metrice in your project?

2285