What is the difference between first() and firstordefault() selector methods in linq?

154

What is the definition of a session?

987

Do you know how the dose for children is being estimated based on preclinical data?

1059

Can you run linux on a macbook pro?

937

How do I apply a formula in conditional formatting?

707

Do an action or make an action?

164

Explain difference between onrow and onread method?

919

What is labor and material payment bond?

1174

What are frames and scripts 'in artificial intelligence'?

1016

How do you get closure?

1

How to perform drag and drop action in selenium webdriver?

882

Call to copy of an action and call to existing action… i know the diff but in real project how to use..? i want live scenario.pls help me..

1811

How do I make a table on word?

560

Distinguish between array and arraylist in c#?

1034

Is Struts Framework part of J2EE?

1043