What is the difference between FirstOrDefault() and SingleOrDefault() extension method in LINQ ?

124

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What tq means in chat?

1063

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while calculating KVA using Volt and Ampere Reading, why we multiply the result with Square Root of 3 (i.e, 1.73)?

2070

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What are the restrictions on external table columns?

991

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Is python is intended oriented?

812

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What is a heartbeat in HDFS?

880

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What is 'Type Inference' in Scala?

7

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Can we define a class in a jsp page?

851

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How would you create getter and setter methods in ruby?

5

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What is dynamic array with example?

927

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The old welding machine use electro- -magnetic winding to step up the current for welding rods,what is new principle inside the welding

1513

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What snow flake schema?

39

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bill to addres? ship to addres? rimit to address?

5671

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What is encapsulation in c++?

1210

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Who to difference between analog in & analog out in dcs?

1555

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