tutorial

Late last summer someone handed me a curious USB device that I popped in my bag and then sat on my shelf until today when I thought it was about time I plugged it into my computer to see what it did. That device was the Blink(1), a fully open source USB powered indicator light that is highly programmable and customizable to suit just about any need you might have for a... USB powered indicator light.

Volley, next generation network communications for Android Volley is now the preferred method for communicating with external services to and from your Android app. In this video we look at how to use the library in your application and the options it provides for managing multiple connections quickly and efficiently.

GitHub, and the Git version control system it's based on, are fantastic tools for managing and collaborating on projects – code-based or otherwise. In this article, we'll look at options for making Git and GitHub projects fit better into developer workflows, allowing for a smooth and hands-off deployment process.

Using layout managers to craft awesome Android interfaces Layout managers provide flexible frameworks to layout user interface elements in an Android application. In this video we look at some of the most common and how to use them.

Your app is ready, the next steps are to get it into the Google Play Store for people to download and use. In this video we look at preparing your application for release and creating a listings page for your creation.

Jovo aims to create a development framework that allows you to write code once and deliver to multiple voice platforms, taking out a lot of the extra work.

Developers are building many different types of experiences in Messenger, and while messaging is at the core of a bot's architecture, the Messenger webview provides devs with the flexibility to incorporate elements of their webpage experience into their app. Whether you're looking to add a checkout flow, share a new product page, or simply distribute content, the webview opens up a world of possibilities to create richer interactions.

Learn how chaos engineering helps you find seemingly random errors in today's modern, increasingly complex applications.

If you've wanted a spell checker or autocorrect that simply does more, check out how this tool is bein used to check for tense and syle as well.

Learn how to use the open source and popular React.js framework to create your own chatbot for that app you're developing.

It’s hard to find terms getting more attention in the software world in the last few years than the closely related practices of *Continuous Integration*(CI) and*Continuous Delivery* or *Continuous Deployment*(CD), often referred to in tandem as CI/CD. Organizations across the world, from one-person development shops to multinational corporations, are implementing CI and CD for their software products.

Take a look at using Heroku to host the microservices behind a small bot project the author maintains.

Speech synthesis is a not a new technology — computers have been attempting to speak to us for decades — but with the recent rise of voice-activated appliances, speech synthesis is undergoing a renaissance. At more than one meetup I heard Speech Synthesis Markup Language (SSML) mentioned for modeling computerized speech and thought it warranted further investigation.

Notifications: you probably love them or hate them. I like them when they are useful to me, and this is something that the OpenBack SDK attempts to solve. It offers a framework for you to make your in-app notifications more than annoying notices, but tailoring them to users contexts and allowing them to do more with notifications.

Learn about Ubuntu Core's role in IoT development and how Snaps, as a packaging system, augment Linux, containers, and IoT.

The big question with any paid service is whether the cost justifies the features. Let's break down the Kontena SaaS platform so you can decide.