What is a covered query in mongodb?

5

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Why cross join is used?

1083

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What is difference between microsoft and windows?

1042

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What are differences between Voltage, EMF & Potential difference ?

2001

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Explain what is the standard property when a component interface is created?

840

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What is the best place to start silverlight application?

1

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Is powerpoint an effective teaching tool?

347

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How to do dunning for vendor? What are the purposes of dunning for vendors?

1027

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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

2200

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How to convert string to objectid in mongoose?

1

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Explain wpf relative binding/ relative resource?

147

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A dice is rolled twice, what is the probability that on the second chance it will be a 6?

334

---

Define the universe?

875

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How can the default lifecycle methods of beans be nullified?

544

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COL1,COL2 ABC,1 XYZ,2 HERE IN COL2 VALUES 1,2 NOT STSANDARD(IE MEANS NOT FIXED VALUES LIKE OTHER SOME VALUES LIKE 10,20) O/P IS COL1,COL2 ABC,2 XYZ,1

1956

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