Why we are using def keyword for method?

957

how can i text accracy of ETL migration? i am very new to data warehousing. we are writing ETL scripts using SCRIPELLA tool. how can i test the correctness of data. and we are generating reports using pentaho . is there any easy way to test the pentaho. how can test these ETL scripts written in scriptella? thanks in advance

2536

Explain why is post-weld heat treatment (stress relieving) sometimes necessary for welded vessels?

1015

Are the expressions * ptr ++ and ++ * ptr same?

1155

What is site collection?

810

How do I spawn a thread?

970

Can Exception handling we can handle multiple catch blocks?

1041

Does c++ have a hash table?

999

How to use multiple database server in back end ?

1044

What is the advantage of packet switching?

1123

Explain the concept of dependency injection.

517

What do you mean by VPN? What does it contain?

952

what is use of space parameter in dd statement?

1283

Is python a compiled or interpreted language?

983

Backup Script was blocked then you are unable to archive the data. how do you analyze it and where do you identify ?

1955