Blogs

Grails gives us the freedom to create web applications quickly and with maximum productivity, but with the fast development, we often leave the basic code quality rules and after a few months of project we end up so much messy code that even we are not able to read it, forget about understanding it. Codenarc really […]

MySQL and MongoDB are a very popular open-source databases these days. Through this blog, I wanted to share a use case of migrating MySQL database to MongoDB database and perhaps want to share few lessons during the migration process which would be helpful. There are three steps to the migration process: Suppose you have a user table […]

In this post we are going to learn about Gradle installation in Ubuntu 14.04. 1. Open terminal and execute this command to install Gradle $ sudo apt-get install gradle This command will set the path variables automatically. And, you are ready to work with Gradle. code 2. Download Gradle from the official website and extract it […]

Introduction   Boto is a python package  which provides an interface for AWS. With boto library, we can call the AWS resources using python script. This article walks you through the step by step guide for using boto library for calling AWS resources. Step 1  : Installation Step 2 : Configuration Step 3 : Creating […]

I recently had to integrate a PayPal payment mechanism in one of my Android applications. So I thought to share my knowledge with the community that you can easily integrate payment mechanism in your application. What is PayPal? Established in 1998, PayPal is an American company allowing payments and money transfers to be made through […]

Now a days , angular ui-router is being used actively for maintaining routes in angular applications. In my current project, I came across a use case in which I had to perform certain checks before executing certain route mapping. For example lets consider the most basic situation in which we want to directly show dashboard […]

Couple of days back, we got to know about Pivotal deciding to end the sponsorship of Groovy and Grails project from 31st March 2015 through Guillaume Laforge’s blog post and Graeme Rocher’s post  Like many others in the community, news has taken us by quite some surprise. Just to give everyone context, we are a […]

This is the second blog of the Spark series. This blog post include setup of Spark environment followed by a small word count program. The idea behind the blog is to get hands on in Spark setup and running simple program on Spark. If you want to know more about Spark history and it’s comparison […]

In one of the recent use case, we had to implement a complex event processing in real time mode. Storm is used as real time processing engine, but since It doesn’t provide batching of events therefore we took upon Esper to do the required job. Esper can be thought as a complex event processing (CEP) […]

Big Data has witnessed a tremendous movement and growth over the last couple of years. As per the top research agencies, Big Data has recently emerged as the most successful “launch pad”,   giving a way to the maximum number of start-up ever.  As the space evolves further, more and more organizations of varied sizes and discrete domains […]

VPN provides a solution to connect the company resources (servers or data) present inside a private network or located at physically far-away location over a private, secure, and reliable network channel at a lower cost than that of setting up a dedicated leased line to accomplish the same task. Introduction to OpenVPN Developed in 2002 […]

Google Play allows max 50 MB of APK size for any android application. But in many cases in projects where we use large number of images and media files such as sound and videos, the APK size grows beyond 50 MB limit. Google play now provide facility of uploading two more files called “APK Expansion Files”. Each […]