Programming

Wolfram Hempel discusses issues around building realtime apps at scale, and introduces deepstream, an extensible, open-source server.

Yaphi Berhanu explains why trying to learn JavaScript by working on projects can be misguided, and offers tips on a better approach.

Lucero covers how to build an image with the Dockerfile, explaining syntax, best practices, basic tools and runtime libraries, packages and shipping.

Patrick Catanzariti provides a guide to how many virtual reality headsets are already available today and how many more are on their way!

Michael Grogan explains how to link the UI and server side in a Shiny app, customize Shiny themes, and implement error messages to guide end users.

Chris Ward looks beyond developing for Google Play and Apple's App Store to enterprise app stores, and their opportunities for better returns and support.

NoSQL databases use denormalized data, so relational JOINs are impossible. Craig explains how MongoDB's new $lookup operator overcomes this restriction.

Lucero del Alba presents three DevOps tools, and considers the benefits and challenges of switching to a DevOps culture.

Ben Dickson covers what you need to know about SQL injection and how to protect your site against it.

Michael Grogan looks at the commands used to build an application in Shiny — both on the UI (user interface) side and the server side.

Charles Costa looks at the implications facial recognition may have on the doxing attacks of the future.

Adam introduces the the basics of the Web Server Gateway Interface, which lies beneath every Python web framework, showing how to code your first WSGI app.

Chris Ward explores getting started in blockchain using Eris, a blockchain and smart contract application platform for developers.

Last week was the Java Virtual Machine Language Summit (JVMLS) where renown experts present the newest developments of the JVM.

Self types let a class reference its own type. Java doesn't have them, but there is a trick.

Lucero explains the concept of software containers and how Docker helps solve many of the issues relating to software delivery and app deployment.

Shaumik Daityari looks at what makes Python suited to web development, and why it's the go-to language for an increasing number of web developers.

Thomas explores Ecto features, including query composition, joins and associations, SQL fragment injection, explicit casting, and dynamic field access.

Adam Bard shows how to get small, low-traffic projects up and running with Dokku on DigitalOcean, creating a Heroku-like experience without the cost.

Elio Qoshi looks at the future of blockchain technology post-Bitcoin, after recent public difficulties with the Bitcoin ecosystem.

Thomas looks at the basics of querying with Elixir's Ecto library, going through joins, associations, aggregation functions, and so on.

Read Java Serialization: Building a Persistent Phone Book and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.

Thomas introduces Ecto, Elixir's predominant library for working with databases, building a simple database-driven app using Ecto's four main components.

Hugo discusses the importance of code reviews, and how to get them happening within your development team.

Read Jump Start Git: Branching in Git and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.

Camilo Reyes shares some important tips on working effectively in a team, growing as a programmer, and stepping up as a leader.

Lincoln Daniel explains how to use a Hashmap to store and manipulate key-value pairs in Java, building a simple study guide app along the way.

Ashraff explains how to create streams and then transform them using three widely used higher-order methods named map, filter and reduce.

Jehan introduces Please, a bash script for automating the installations of many CMSs and Frameworks by configuring them automatically into your Vagrant box.

Shaumik introduces web scraping, and how you can create your own web scraping scripts for collecting data from the web.