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Javascript

So you want to build an app with React ? “Getting started” is easy… and then what?

React is a library for building user interfaces, which comprise only one part of an app. Deciding on all the other parts — styles, routers, npm modules, ES6 code, bundling and more — and then figuring out how to use them is a drain on developers. This has become known as javascript fatigue . Despite this complexity, usage of React continues to grow.

The community answers this challenge by sharing boilerplates . These boilerplates reveal the profusion of architectural choices developers must make. That official…

Based in Budapest, Hungary, Andras Fincza (Head of Engineering) and Rafael Ördög (Technical Lead) work for Emarsys , a global marketing automation platform. Read our Emarsys customer story to learn more about their migration experience on Heroku.

How did you introduce microservices at Emarsys?

We take an evolutionary approach to our architecture. Our marketing automation platform was originally designed as a monolithic system built in PHP and MySQL and running on in-house infrastructure. We were running two major services on our in-house infrastructure: one for HDS (historical data service) and the other for…

Last week, Terence Lee and I caught up with Tom Dale at EmberConf to talk about FastBoot, when you should avoid native apps, and why JavaScript on the server and the browser might start to converge. Check the end for the full recording! So let’s start with the drama, would you say Ember has declared war on native apps? [laughs] [sigh] Yeah. Yeah, I think that’s fair. Yeah. Sure. Why not? Let’s go with that. A lot of other frameworks, take this approach of bringing web technologies and dropping them into native experiences – React Native being the…

Heroku has years of experience operating our world-class platform, and we have developed many internal tools to operate it along the way; however, with the introduction of Heroku Private Spaces , much of the infrastructure was built from the ground up and we needed new tools to operate this new platform. At the center of this, we built a new operations console to give ourselves a bird’s eye view of the entire system, be able to drill down into issues in a particular space, and everything in between.

The operations console is a single-page React application with a reverse proxy on…

At the tail end of 2015, JavaScript developers have a glut
of tools at our disposal. The last time we looked into this, the modern JS landscape was just emerging.
Today, it's easy to get lost in our huge ecosystem,
so successful teams follow guidelines to
make the most of their time and keep their projects healthy.

Here are ten habits for happy Node.js hackers as we enter 2016.
They're specifically for app developers , rather than module authors,
since those groups have different goals and constraints:

1. Start every new project with npm init

Npm's init command…

This post is from 2014 – check out the update!

For most of the nearly twenty years since its inception, JavaScript lacked many of the niceties
that made other programming languages like Python and Ruby so attractive: command-line interfaces, a
REPL, a package manager, and an organized open-source community. Thanks in part to Node.js and npm,
today's JavaScript landscape is dramatically improved. Web developers wield powerful
new tools, and are limited only by their imagination.

What follows is a list of tips and techniques to keep you and your node apps happy.

1. Start new projects with npm…

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