If you are reading this blog there may be two reasons. First, you are the programmer and second, you want to be a better programmer. So here we go, Even bad code can function, But if the code isn’t clean, it can bring a development organization to its knees. Every year, countless hours and significant resources are lost because of the poorly written code. But Continue Reading
You’ll often get to hear from good programmers about having “loosely coupled” classes. What do they mean by saying that? Let’s understand this first before jumping onto the Law of Demeter. Loosely Coupled In object-oriented design, the amount of coupling refers to how much the design of one class depends on the design of another class. In other words, how often do changes in class
“Any fool can write code that a computer can understand. Good programmers write code that humans can understand.” – Martin Fowler “I can code.” I always say to myself. But do others think the same? Is my code good enough for people to understand? Do other people think “Damn I wish I could write such code.?” – that’s the main question I always had in Continue Reading
Writing good code in accordance with all the best practices is often overrated. But is it really? Writing good and clean code is just like good habits which will come with time and practice. We always give excuses to continue with our patent non-efficient bad code. Reasons like no time for best practices, meeting the deadlines, angry boss, tired of the project etc. Most of Continue Reading
“Good software system begins with clean code” and by “clean code”, I mean it is code that is easy to understand and easy to change. This is the point where there is a need to know about SOLID Principles which helps us in writing the clean code as the code is like humour. “When you have to explain it, it’s bad.” The SOLID PRINCIPLES tell Continue Reading
Earlier we discussed in our blog how to configure the ANTLR plugin for the intellij for getting started with our language. In this post we will discuss the basics of the ANTLR and exactly how can we get started with our main goal. What is the lexer, parser and what are their roles and many other things. So lets get started, Antlr stands for ANother Continue Reading
The benefits of DDD have been elucidated multiple times. For us, at Knoldus, we want to make sure that quality of software developed goes a long way. More than 70% of the cost of the software is spent in the maintenance of the software and hence it becomes absolutely essential that a good amount of time is spent in making the right software right. The Continue Reading
Functional way of updating Complex nested objects
playing-reactjs This blog describes a basic example to render UI using React(A JavaScript library for building user interfaces) with Play 2.4.x, Scala, Anorm and WebJars. It also demonstrates the use of evolution in Play 2.4.x This is a classic CRUD application, backed by a JDBC database. It demonstrates: Handling asynchronous results, Handling time-outs Achieving, Futures to use more idiomatic error handling. Accessing a JDBC database, Continue Reading
All about AnguarJs, ReactJs, BackboneJs, JQuery and other libraries, from the intro to the actual concept.
Playing-Microservices This blog describes a basic Microservice architecture design using Play 2.4.X and Scala. The big idea behind microservices is to architect large, complex and long-lived applications as a set of cohesive services that evolve over time. The term microservices strongly suggests that the services should be small. In short, the microservice architectural style is an approach to developing a single application as a suite Continue Reading
In this blog I have created a basic example for generating PDF documents dynamically from Play Application with the help of play2-pdf module Play 2.3.x PDF module: This module helps generating PDF documents dynamically from your Play! web application. It simply renders your HTML- and CSS-based templates to PDF. It is based on the Flying Saucer library, which in turn uses iText for PDF generation. Continue Reading
Playing Gravatar Image In this blog I have created a basic example to generate gravatar using email address with Play Framework Gravatar: An “avatar” is an image that represents you online—a little picture that appears next to your name when you interact with websites. A Gravatar is a Globally Recognized Avatar. You upload it and create your profile just once, and then when you participate Continue Reading
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Knoldus is the world's largest pure-play Scala and Spark company. We modernize enterprise through cutting-edge digital engineering by leveraging Scala, Functional Java and Spark ecosystem. Our mission is to provide reactive and streaming fast data solutions that are message-driven, elastic, resilient, and responsive.
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