The PayPal Logo Challenge

Recently, I came across an interesting blog post in PayPal Engineering blog site. It was an article about how the author curated a solution to generate PayPal’s logo using just CSS3. One thing that kept me thinking was t

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undefined in JavaScript

JavaScript is very flexible that sometimes not knowing to use it safelywould end up causing pitfalls. This post explains the traps of undefinedin JavaScript and ways to overcome them. undefined is one of JavaScript’s six

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