Vipul Sharma

Introduction Understanding decorators in Python is one of the most trickiest thing and creating one is one of the most craftiest thing in Python. It requires understanding of few functional programming concepts, how functions work, namespace/scope/lifetime of data items and most importantly closure. What is a decorator ? A decorator is a design pattern which allows us to...

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(Coldplay origami star; see bottom for link to tutorial)  There's an amazing Android app called CamScanner which lets you use the camera of your mobile phone and scan any text document. I've been using the app since few months and the best thing about the app I like is its perspective transformation i.e. to transform an angled image (non-top-down...

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