github

OpsInit: Adding a Github webhook in Jenkins Pipeline

Have you ever tried adding GitHub webhook in Jenkins?? In this blog, I will be demonstrating the easiest way to add a webhook in our pipeline. First, let’s see what is a webhook?? The concept of a WebHook is simple. A WebHook is an HTTP callback: an HTTP POST that occurs when something happens. GitHub webhooks in Jenkins is used to trigger our build whenever Continue Reading

Akka http with json4s

Akka Http uses the spray-json library for JSON support. But a few days back while working on a project which was using the json4s library for marshalling/unmarshalling, I got stuck during parsing of JSON request and extracting that parsed values into my target Scala data model.

Git Cheat Sheet: Basics

In this blog, I have listed some of the basic commands like installing and configuring the Git. How Git works is not the focus of this post. I have piled up some commands for performing basic operations in git. 1) Install Git sudo apt-get update sudo apt-get install git 2) Configuring username and email of git git config –global user.email “shivangi.gupta@knoldus.in” git config –global user.name Continue Reading

Do GIT Right – The 10 commandments!

In this blog post, I’ll be sharing with you the 10 commandments for doing GIT right. Let’s get to it! 1. The KISS principle – Keep It Simple Silly! Commits should be small, clear and precise. For e.g., two different bugs should have two different commits. If there is a task that requires touching multiple files, break those changes into small logical commits with neat Continue Reading

One-way & two-way streaming in a Lagom application

Now a days streaming word is a buzz word and you should have heard many types of streaming till now i.e. kafka streaming, spark streaming etc etc. But in this blog we will see a new type of streaming i.e Lagom-streaming. Lagom-streaming internally uses Akka streams, with the help of which we will see one way & two way streaming. But before going forward, it Continue Reading

A Java Lagom service which only consumes from Kafka topic (Subscriber only service)

Subscriber only service means an application which only consumes, does not produce. We have generally seen the applications which both produces and consumes data from a Kafka topic but sometimes we need to write an application which only consumes data i.e. consumes data from a 3rd party service. So in this blog I am going to explain how to write a Lagom service which only Continue Reading

Internationalization with Play Framework(2.6.x)

In this blog, I will demonstrate how your application can support different languages using Play Framework 2.6.0    What is Application/Website Internationalization ?   Application/Website Internationalization can be defined as a process of developing and designing an application that supports not only single language but also different languages so that it can be easily adapted by the users from any language, region, or geography. It ensures that the code base of your application is flexible enough Continue Reading

Markdown

Learning Markdown

Markdown is a lightweight markup language with plain text formatting syntax designed so that it can be converted to HTML and many other formats using a tool by the same name. It is often used to format readme, for writing messages in online discussion forums, and to create rich text using a plain text editor. So, here is a quick introduction to some of the elements of Continue Reading

Setting a git server in local area network

In this blog, we will learn to setup a git server in a system which will be accessible over the local area network. First we have to setup SSH server to the system(Git Server), to provide access to other (git client) system. We will do this to get access to our git server, so git client will be able to push and pull code to Continue Reading

Git Flow – An Introduction

Hi Folks, Knoldus have organized an one hour session on 19th Aug 2015 at 5:00 PM. Topic is  Introduction to Git-Flow. So many people have joined and enjoyed the session. I am going to share that slide here. Please let me know if you have any question related to linked slide.

Getting started with git-flow to automate git branching workflow

This blog shows the basic usage and effect of git-flow operations. git-flow git-flow are a set of git extensions to provide high-level repository operations for Vincent Driessen’s branching model. It has attracted a lot of attention because it is very well suited to collaboration and scaling the development team. Key Features: Git flow provides excellent command line help and output Git-flow is a merge based Continue Reading

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