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Can you please explain the difference between angular.js and backbone.js?

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Suppose there are two requests for 2 different pages of same site and from 2 different browsers, How Web server recognise the different request and send result to the exact sender browsers.

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i am an OBC candidate i got 386.50 marks in cgl2011 tier I+tier II put together.... going for interview what are ny chances of getting selected?

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How do you type a fraction?

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If we add enum constants to a sorted collection ( treemap , treeset ), what will be the order in which they will be maintained?

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why the voltage and current in a long transmission line are called travelling wave?

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What is the net charge of a non-ionized atom?

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What is the maximum percentage voltage drop (vd%)for a motor control center

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what is the main usage of an abstract keyword?please follow the program class A { void display() { System.out.println("hai"); } void print() { } } class B extends A { void print() { System.out.println("Hello"); } } In this program i was gives the implementation of print() according to my requirements in subclass.And there is no definition in superclass then why we can use abstract keyword before a method that i want to gives definition in other classes,is any mistakes in the above usage of method?

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