First post

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Well guys this will be my blog to share some cool stuffs related to computers.

My first post will be soon..!

Popular posts from this blog

Oldest computer???

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Which is the oldest computer??         Well some would say ENIAC, others would say Colossus, what ever it is, im sure its not my computer :) because i just purchased it, didnt invent it :) The Answer is : " Antikythera "         It is an ancient mechanical computer which was being in use around 200BC (around 2000 years ago!!!). This device has been recovered from Antikythera Wreck (near greek island called crete), hence it gets its name "Antikythera". It is figured out that it was being used for two purposes, Astronomical and Astrological purposes. This device was used by greek astronomers for their research works!         Above is the picture of the recovered Antikythera. Scientists say, there are large number interconnected gears and is very complicated than a modern swiss watch!!. This device was recovered in 1900-1901. It took around 70 years to understand the complet...
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Listen a property for changes in JavaScript

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There are two very interesting functions of Object in JavaScript - watch and unwatch. These two methods could be used to track changes of some specific properties of any Object. watch() watches for a property of an Object, if a value is assigned to that property, it will run registered function. Example,             Here i have an Object obj1 which has property myprop with value 1. Later watch method is used to register myprop property, if any changes/assignment is made to that property appropriate function is called. In this case whenever myprop of obj1 is assigned a value function is executed and alerts a msg. obj1 = {myprop:1}; //  start watch on obj1.myprop from here obj1.watch("myprop",    function (prop_name, oldval, newval) {       alert("obj1." + prop_name + " changed from " + oldval + " to " + newval)       return newval;    }); ...
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