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Made an easy social auth with connecting & disconnect social accounts. Then rendering png of objects with lazyloading feature and rendering a particular object on the web.
Made a prototype of a distributed network that monitors air quality on a street-by-street level and also plotted different maps & graphs using javascript libraries.
Made an image scanner with auto edge cutting & take all the text from the image. It is very useful to get the required text from the image for further processing.