
Improve test error messages of your abstractions
How to manipulate stack traces to get beautiful error messages with Jest and your test helper functions.
The best problem-solving writing in software engineering — databases, performance, security, frontend and distributed systems, in one feed.

How to manipulate stack traces to get beautiful error messages with Jest and your test helper functions.

The social media company released React Native, and it quickly became the most popular framework for building mobile apps with JavaScript. In this article, based on his experience with creating a GPS and navigation application, Chafik Gharbi will show you how to create a mobile app using Expo and Firebase services such as Firestore, Firebase functions and Expo push notifications.

Announcing our first four recipients and expanding our commitment to support the negative emissions ecosystem.

In CSS, line-height is probably one of the most misunderstood, yet commonly-used attributes. As designers and developers, when we think about line-height, we

A surprisingly common response when asking people about things they'd fix about anything in CSS, is to improve the handling of viewport units.

10 games from Ludum Dare 46 for your entertainment and source code-viewing pleasure.

Traditional in-office teams share how they are adjusting to remote life

A month is a long time to stay on top of things. In today’s monthly post, Iris Lješnjanin brings you an overview of everything we’ve been working on and have also enjoyed reading over the past month. Here at Smashing, we believe that is is now more important than ever to stay in touch and support each other. Behind the scenes, the team is working tirelessly on ways to keep the community connected,

Creating accessible images seems like a simple topic at first glance — you just need to add alt text to an image, right? But the topic is much more nuanced than some people think. In this article, Carie Fisher will review the different types of images, dive into some real-world examples of inaccessible public service announcements (PSAs), and discuss which elements matter most when critical messag

This article discusses the question if binary data should be stored inside PostgreSQL or not. The performance of the various options is benchmarked.

With Luke Hefson’s many different roles at GitHub, he’s learned about tons of hacks and protips that he can’t wait to share with you.

With GitHub’s focus on developers, community, and customers, we can’t imagine a better place for our team to be.

Hey, it's HighScalability time! LOL. Who knew a birthday service could lead to an existential crisis? Do you like this sort of Stuff? Without your support on Patreon this kind of Stuff can't happen. You are that important to the fate of the smart and thoughtful world. Know someone who wants to understand the cloud? I wrote Explain the Cloud Like I'm 10 just for them. On Amazon it has 111 mostly 5

Zoom scaled from 20 million to 300 million users virtually over night. What's incredible is from the outside they've shown little in the way of apparent growing pains, though on the inside it's a good bet a lot of craziness is going on. Sure, Zoom has made some design decisions that made sense as a small spunky startup that don't make a lot of sense as a defacto standard, but that's to be expected

In this post, we’ll cover Shopify’s journey from manually provisioning TLS certificates to the fully automated system that supports over 1M businesses.

6:28 am First alarm rings. Snooze. 6:30 am Second alarm rings. Snooze. 6:34 am Final alarm rings and I know this is the last one, so I hop out of bed and immediately play some music. Music really has a way of waking me up, and I typically play Sofi Tukker or Rufus Du Sol…

Smashing Meets is a friendly, inclusive, online meetup for people who work on the web. We focus on front-end and UX, but cover all sorts of topics from performance to accessibility. We organize Smashing Meets together with some amazing communities from around the world. Join us for Smashing Meets — two free online meetups with speakers, activities, and plenty of chances to make new friends. Just l

React is a fantastic JavaScript library for building rich user interfaces. It provides a great component abstraction for organizing your interfaces into well-functioning code, but what about the look and feel of the app? There are various ways of styling React components from using stylesheets to using external styling libraries. In this article, Shedrack Akintayo will explain the cons and pros of

In May 2020, Backblaze, a founding Bandwidth Alliance partner announced S3 compatible APIs for their B2 Cloud Storage service. We are excited to see Backblaze introduce a new level of compatibility in their Cloud Storage service.

Everything is flexible these days. If you write grid-template-columns: 200px 200px 200px;, sure, you'd have equal-width columns, but that's a rare day. What

Dropbox has released the File and Folder Embedder in Preview. Start here to learn how to embed Dropbox content in your app using shared links.

Tips from the Figma design team on how to spark creativity at home.

Connectivity is at the heart of our mission to give people the power to build community. We are committed to bringing more people online to a faster internet — and with 3.5 billion people globally unconnected, there is still a lot to do. Africa is currently the least connected continent, with just over a quarter […]

On April 24th, 2020, we proudly celebrated the graduation of our first Dev Degree program cohort. This milestone holds a special place in Shopify history because it’s a day born out of trial and error, experimentation, iteration, and hustle. The 2016 cohort had the honor and challenge of being our first class, lived through the churn and pivots of a newly designed program, and completed their educ