Whats the difference between abstract factory pattern and factory pattern?

593

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What is active record(ar) in yii?

3

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Instructions to migrate running instances from one openstack compute server to another openstack compute server?

19

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What is return on shareholder s funds? What does it show?

577

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How can we update a record in the target table without using update strategy?

643

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What does the immutable bit do to a file?

452

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Iam a B.Tech graduate and completed my engineering in 2009, from 2005 to 2009 and after that i had done nothing.Now i want to do job and get into BPO field . Friends give me suggestions as what to say in interview... if they ask me that what would you had done ... these many years without doing job ??????? pls urgent

1421

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Explain about wifi broadband?

496

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what changes did you develop at your most recent employer?

614

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What are the three parts of a simple empty class?

1445

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What is iostream in c++ used for?

540

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How scala is different from java?

1

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How to achive in angular ?

444

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Who is the father of json and what is the scripting language json is based on?

1

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Explain the difference between singleton and single call?

527

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