Tell me what is orm (object-relationship-model) in rails?

424

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What is difference between concurrenthashmap and hashtable?

417

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Is void a class?

471

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What is msil, and why should developers need an appreciation of it if at all?

565

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What should be the name of xml file used for validation in struts?

533

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How to write 'foreach' statement for tuple datatype in pig scripts?

296

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Difference between ac parallel circuit and ac series circuit?

1603

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How many joins in sql?

542

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Explain Apache Ambari architecture?

45

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How we can add custom view helpers to zend framework 2?

136

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What is different meaning of pre-advice and pay order to the benificiary.

2302

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I want to know how to calculate the size of electricity cable in building?

1532

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What is the purpose of gui map configuration?

612

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What keyboard shortcut is ctrl s?

328

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What are building blocks of xml?

446

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