Build faster with Okta’s authentication and user management API. Register today for the free forever Developer Edition! React has quickly become one of the most favored front-end web frameworks, and is second only to plain old HTML5, according to JAXenter. So it’s no surprise that developers are learning it, and employers are asking for it. In this tutorial, you’ll start ...

Refactoring is a simple concept, and yet it takes some learning to come to a point where refactoring is beneficial. Refactoring means making small adjustments to code throughout the life of a system in order to improve many aspects and give better long-term results. Why Refactor Your Code? The purpose for refactoring code can be for readability, creating a more ...

Quick, someone tell me what this regular expression is doing: (?:\()?[0-9]{3}(?:\))?(?: )?(?:\.)?[0-9]{3}(?:-)?(?:\.)?[0-9]{4} It’s hard isn’t it? Regular expressions are not the easiest thing in the world to quickly understand. Most developers only work with regular expressions when they really, really have to. And even then, many will go and Google a site where you can quickly grab an expression that ...

One of the greatest changes of HTML5 was the native support for multimedia content, with tags for audio and video, that allow to reproduce them without the need of plugins for our browser or software in our computer. In this tutorial, we will see the usage of the audio element. For this tutorial, Chromium 56.0.2924.76 has been used for testing. Table ...

Build faster with Okta’s authentication and user management API. Register today for the free forever Developer Edition! Angular (formerly called Angular 2.0) is quickly becoming one of the most powerful ways to build a modern single-page app. A core strength is Angular’s focus on building reusable components, which help you decouple the various concerns in your application. Take authentication, for ...

Keeping container image sizes small is one of the most common “best practice” tips out there. There is good reason for this; it’s very simple to let a container with a complex Dockerfile and a large application turn into a large container image. A large container image can eventually become troublesome if left unchecked. When deploying a container into production, ...

Want to know How to Build (and Scale) with Microservices? Download the Whitepaper from AppDynamics: Grab it now! ES6 is a major update to the JavaScript language, the first since the adoption of ES5 in 2009. The features of ES6 are being incorporated into JavaScript engines around the web right now, and the changes are far reaching. The new features ...

Docker is an amazing tool for developers. It allows us to build and replicate images on any host, removing the inconsistencies of dev environments and reducing onboarding timelines considerably. To provide an example of how you might move to containerized development, I built a simple todo API using NodeJS, Express, and PostgreSQL using Docker Compose for development, testing, and eventually ...

Docker is an amazing tool for developers. It allows us to build and replicate images on any host, removing the inconsistencies of dev environments and reducing onboarding timelines considerably. To provide an example of how you might move to containerized development, I built a simple todo API with Ruby on Rails and PostgreSQL using Docker Compose for development, testing, and ...