why is a power transformer used only occasionally?it is used to step up at generating stations?and that needs to be done all day long !!!!!!!

1835

What are the different ways to optimize a sql query?

906

Is null a value?

993

How do you teach difference between rows and columns?

620

What is difference between session and cookies in php?

923

What is the namespace for iplugin interface? (Xrm.sdk)

877

What are the categories to execute sap background jobs?

1069

Explain how to enable cron in magento?

3

What do you understand by active and passive transformations?

900

How we can add the css in mvc?

973

What are the differences between substr and charindex in sql server.

1041

In c language can we compile a program without main() function?

1083

i have two questions for regular expression :- Q1. I have date pattern eg-29/11/2011 29-11-2011 29.11.2011 Que- if any separator is there between date,month and year pattern should match else it should not match eg- pattern should not match in case of 2911-2011 Q2. let say i have a string and there is a number in between of that string eg.-Amount 30002.234 successfully credited to your account . now i have to match this pattern in such a way that even if decimal is not there pattern should match ,how i will do this using regular expression

1425

How do you restart mysql?

868

What is the natural habitat of e.coli?

894