Farewell Node.js
I’ve been fighting with Node.js long enough in production now that I don’t enjoy working with it anymore unfortunately, so at least for now this my formal farewell! And more importantly I need maintainers! Node does some things well, but ultimately it’s not the right tool for the type of software I’m interested in these days. I still plan on using Node for web sites, but if you’re interested in ma
Yo Developers API
There are endless ways to use the world’s simplest API (it only has one endpoint…). If you run a blog, a website, a shopify online store or any other kind of service, you’ll be able to boost your engagement with the Yo API. Some example use cases: A blog can Yo the readers whenever a new post is published. Imagine getting a Yo From PRODUCTHUNT.An online store can Yo its customers whenever a new pr
Grunt vs Gulp vs Make vs Rake vs Jake vs Cake vs Brunch vs Ant vs Maven vs Bash vs You
Build tools are this thing that you use to make your workflow easier. Sometimes they work for you, sometimes they don’t. They’re all pretty awesome and have their pro’s and con’s, but just like when you are picking out which member of the opposite sex to hit on at a bar — you’re either better off lowering your standards OR you can just try what seems to work for you. Do you want to handcraft your
The Airbnb Tech Blog
A deeper look into how our Engineers and Data Scientists build a world of belonging
Better logging in Node.js
Logging in Node.js via console.log is perfectly adequate for development and debugging, but what should you do if you want more robust logging in production? There are some very good options in the NPM registry: winston (Github: flatiron/winston, MIT) is a particularly expressive logging library, a strong addition to your Node.js toolbox. In many cases, it might make sense to use something like th
How I designed a website without Photoshop
Photoshop has always been my favourite tool ever since I started making websites. It’s always been pretty much the same — open photoshop > make a new document with a grid which is approx. ~1400px wide > and start designing. When the design was done. I would usually print out paper mockups in A3-format and glue it to black cardboards and also upload JPG images to a web server, so the client could s
Scaling Node.js with recluster
Servers written in Node.js are typically pretty fast, in part due to its non-blocking I/O, and in part due to the very optimised v8 JavaScript engine. One of the limiting factors, of course, is that JavaScript is single-threaded, and will only make use of a single processor core. However, it is possible to take advantage of multi-core environments via the recluster library (Github: doxout/recluste
Your syntax highlighter is wrong
TL;DR: Colors are value judgments. Ensure your colors value the right things.
Import web pages into Sketch
Sometimes you need to tweak or slightly redesign an existing web page without original assets. Some common ways to do this would be to recreate a page from scratch, tweak it in a web inspector, or in the worst case make a screenshot and mess with bitmap (if you enjoy pain). Another hacky way to do that is to actually convert the web page to a vector graphic. Here is how I do it: 1. Convert page to
Why Atom Can’t Replace Vim
1976 was a good year for text editors. At MIT, Richard Stallman and Guy Steele wrote the first version of Emacs. And over at Berkeley, Bill Joy wrote vi (though it wouldn’t be called that for a few years yet). It’s reductionist to say that these two editors were each built around one big idea, but what the hell, let’s be reductionist. Because what stands out today, looking at modern editors like S
Koa 0.5.0
We’ve had three minor releases since the last blog post so let’s see what has changed! Formatted JSON responsesIn 0.4.0 we removed the app.jsonSpaces setting — a setting used to specify the formatting of a JSON response. The default values were to pretty-print in development, and compress JSON in other environments. The main issue here is that this can cause unexpected results when running tests i
Finding the right Node.js WebSocket implementation
For a current project at WhoScored, I needed to learn JavaScript, Node.js and WebSocket channel, after seven years of writing web applications with Java and Spring framework. We wanted an application that can send data to thousands of concurrent users, and Node.js appeared to be the right way of doing it with its event-driven, non-blocking I/O model that can scale up easily. Firstly, to learn Java
Callbacks vs Coroutines
There’s been a lot of arguing lately regarding a somewhat recent Google V8 patch providing the ES6 generators, sparked by “A Study on Solving Callbacks with JavaScript Generators”. While generators still sit behind the —harmony or —harmony-generators flags it’s enough to get your feet wet! In this post I want to go through my experiences with coroutines and why I personally think they’re a great t
Currying in JavaScript
Currying refers to the process of transforming a function with multiple arity into the same function with less arity. The curried effect is achieved by binding some of the arguments to the first function invoke, so that those values are fixed for the next invocation. Here’s an example of what a curried function looks like: babyAnimals is a curried function; it is designed for the first argument to
Performance Tuning
By Jack Lawson This is one of the graphs that you prefer to watch go down and to the right: median site load time over the last three months. Page load time has been shown to correlate directly to user frustration; users are more likely to leave after the first visit and never come back as a site loads slower. With the benefit of great tooling and advice, we’ve been able to cut our site load time
JavaScript and iOS 7
Everyone is talking about the flatness, but I love to look around and see some of the smaller wins on the developer side of an iOS SDK. I am really excited about something that I haven’t seen mentioned much, and that is a new bridge between the worlds of JavaScript and the runtime of iOS and OS X: Introducing a new Objective-C API to JavaScriptCore. iOS developers can now integrate scripting into
Facebook’s New React JavaScript Library Tutorial Rewritten in AngularJS
Update: Thank you guys for voting me up to the top of Hacker News! Update: React was a side project that I reviewed the day it launched, and you guys liked this post. Please try Rate My App, where you improve every morning with daily video feedback for new side projects from Show HN and Product Hunt. Thanks! Facebook React is a new JavaScript framework. I found their official tutorial for creating
Oh, I’m not a… — Career Pathing — Medium
“I’m not a designer”, “I’m not a developer”, “I can’t code”. We all hear it, we all say it. But it’s wrong.Give yourself one week of trying that thing that you can’t do and I guarantee, you won’t be saying “I can’t do [x]”. But seriously, when developers say, “Oh no, I can’t design”, I see it as a cop out. A “designer” and a “developer” are made of the same stuff, all that separates them is the la
Our First Node.js App: Backbone on the Client and Server
By Spike Brehm Here at Airbnb, we’ve been looking curiously at Node.js for a long time now. We’ve used it for odds and ends, such as the build process for some of our libraries, but we hadn’t built anything production-scale. Until now. The ProblemThere’s a disconnect in the way we build rich web apps these days. In order to provide a snappy, fluid UI, more and more of the application logic is movi
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Nicolas Schuele – Medium
