What is the use of string function substr(string,position,max) in AWK?
B is 20 miles east of A. D is 30 miles east of C. E is 10 miles north of D. C is 20 miles north of B. How far E is from A?
Write some characteristics of cloud computing?
How to assign query results to variables?
What is Cassandra?
How many joins in sql server?
What is a cshtml file?
What is the use of method save()?
How to insert missing authorization?
What does function identity () do?
Can I use the win32 api from a .net framework program?
When to use nsmutablearray and when to use nsarray?
How do I use regsvr32?
Why use to d3.js?