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About me

My name is Sagar Ganatra and I'm from Bangalore, India. I'm an UI Architect and my expertise include HTML5, CSS3, JavaScript, Object Oriented JavaScript, jQuery, Backbone, Require, Angular and several other JavaScript frameworks.

Apart from work, whenever I find time I indulge myself in reading books, cooking, swimming and blogging. This blog is dedicated to my views and ideas on the technologies that I work on, I also blog about my views on everything else that crosses my mind and on those light moments at sagarhg.tumblr.com



Publications:
  1. Book titled 'Kendo UI Cookbook'.
  2. Book titled 'Instant Kendo UI Mobile'.
  3. An article on - 'jQuery "Pinify" Plugin Tutorial for Building App-Like Sites'.
  4. Adobe Developer Connect article on 'RESTful Web Services in ColdFusion 10'.

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Adding beforeRender and afterRender functions to a Backbone View

I was working on a Backbone application that updated the DOM when a response was received from the server. In a Backbone View, the initialize method would perform some operations and then call the render method to update the view. This worked fine, however there was scenario where in I wanted to perform some tasks before and after rendering the view. This can be considered as firing an event before and after the function had completed its execution. I found a very simple way to do this with Underscore's wrap method.
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On GraphQL and building an application using React Apollo

When I visualize building an application, I would think of using React and Redux on the front-end which talks to a set of RESTful services built with Node and Hapi (or Express). However, over a period of time, I've realized that this approach does not scale well when you add new features to the front-end. For example, consider a page that displays user information along with courses that a user has enrolled in. At a later point, you decide to add a section that displays popular book titles that one can view and purchase. If every entity is considered as a microservice then to get data from three different microservices would require three http  requests to be sent by the front-end app. The performance of the app would degrade with the increase in the number of http requests. I read about GraphQL and knew that it is an ideal way of building an app and I need not look forward to anything else. The GraphQL layer can be viewed as a facade which sits on top of your RESTful services o
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De-obfuscating javascript code in Chrome Developer Tools

I had blogged about JavaScript debugging with Chrome Developer Tools  some time back, wherein I have explained how these developer tools can help in debugging javascript code. Today Google Chrome 12 was released and my Chrome browser was updated to this version. As with every release, there have been some improvements made on performance, usability etc,. One feature that stood out for me is the ability to De-obfuscate the javascript code. What is Minification? Minification is the process of removing unnecessary characters such as white spaces, comments, new lines from the source code. These otherwise would be added to make the code more readable. Minifying the source code helps in reducing the file size and thereby reducing the time taken to download the file. This is the reason why most of the popular javascript libraries such as jQuery are minified. A minified jQuery file is of 31 KB in size where as an uncompressed one is about 229 KB. Unfortunately, debugging minified javascript f
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