Define signal sampling?

328

For a webbased application:- what should be code in expert veiw, for retrieving a single column name "username" from a server and checking whether exported "username" from datatable doesn't exist in server. suppose i have saved in excelsheet a username="gayatri" , which is exported, then checked for whether this username "gayatri" exist in server database or not ? if exist then allow to enter new username, which should be again checked for in loop , or else come out of loop and enter a distinct "username". plz let me have this answer in my id gayatrisahooin@hotmail.com

1563

How to install a template in joomla?

48

why does daos require transaction logging to be enabled?

3

how create a pivot tables, pivot charts in ms. excel

1289

How to select valid lines for secondary list?

400

Explain the main purpose of ospf?

381

How u refer webservices?

1253

WHAT IS THE SYLLABUS OO GROUP -I?

1488

What is a sql*loader control file?

374

Explain model in rails?

318

What is ‘important’ declaration used in css?

153

what are the best institutes in hyd for groups

1248

How do I duplicate a sheet?

145

Does table partitioning improve performance?

324