Category Archives: Tutorial

Introduction to GraphQL – A Query Language for APIs


GraphQL is an API standard that provides a more efficient, powerful and flexible alternative to REST. It was created by Facebook in 2012 and was open-sourced in 2015 and is now maintained by a large community of companies and individuals from … Continue reading

Posted in Scala, Tutorial, Web, web application, Web Services, Web Standard | Tagged , , , , | 3 Comments

Machine Learning with Random Forests


Machines, working on our commands, for each step, they need guidance where to go what to do. This pattern is like a child who doesn’t understand the surrounding facts to make decisions for a situation. The grown ups usually do it … Continue reading

Posted in machine learning, sbt, Scala, Tutorial | Tagged , , , , , | 1 Comment

Amazon Rekognition: Welcome to Visual Recognition


We have always been captivated ❤ and mesmerized 😮 by sci-fi movies like James Bond, and we dreamt of those technologies to become reality one day but here we are in the world of Artificial Intelligence and Deep Learning living … Continue reading

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Scala Best Practices : Pure Functions


We grew up in a world of imperative programming that’s why we are more addictive to writing code in imperative style. Everything is mutable around us. Mutability is not that bad. But shared mutability is devil’s work. The moment we … Continue reading

Posted in Scala, Tutorial | Tagged , , , | 1 Comment

SQL made easy and secure with Slick


Slick stands for Scala Language-Integrated Connection Kit. It is Functional Relational Mapping (FRM) library for Scala that makes it easy to work with relational databases. Slick can be considered as a replacement of writing SQL queries as Strings with a … Continue reading

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Jenkins – Integrating Email Service


Jenkins is one open source tool to perform continuous integration and build automation. Using it, all development work can be integrated as early as possible. The resulting artifacts are automatically created and tested and as a result the process of … Continue reading

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Jenkins Build Jobs


In continuation to my previous blogs Introduction to Jenkins and Jenkins – Manage Security , I will now be talking about creating build jobs with Jenkins. It is easy and simple to create a new build job in Jenkins. Follow … Continue reading

Posted in integration, Performance Testing, testing, Tutorial | 2 Comments

Akka Persistence using MongoDB – Part I


Akka is a powerful actor based tool kit for Concurrency, Parallelism and Clustering. But for every concurrent applications, Akka actors are not fit because Futures are another alternative for performing Concurrency. Most of the developers follow simple rules for using … Continue reading

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Implementation of Gulp.js from Scratch


Are you tired of doing  the same things manually i.e., creating the folders, compiling and copying  the files deploying them on separate environments (i.e., dev or prod) manually.  A lot of mouse clicking,  lot of  copy-paste, a lot of configuration changes … Continue reading

Posted in AngularJS, AngularJs2.0, JavaScript, knoldus, Scala, Tutorial | Tagged , , | Leave a comment

Improve Memory Usage and Performance of Application Using Yourkit Profiler


In this blog we are walking through how to improve performance of application using Yourkit profiler it is  helpful for both Tester and Developers. Your Kit is big achievement in the evolution of the profiling tools. It is intelligent tools for … Continue reading

Posted in Java, Scala, testing, Tutorial | Tagged , , , , , , | 1 Comment