
The best problem-solving writing in software engineering — databases, performance, security, frontend and distributed systems, in one feed.


In this episode, we’re talking about designing for safety. What does it mean to consider vulnerable users in our designs? Drew McLellan talks to expert Eva PenzeyMoog to find out.

In my previous article, I created a fragmentation effect using CSS mask and custom properties. It was a neat effect but it has one drawback: it uses a lot of

It might be the very first thing a lot of people learn in JavaScript:

We've got viewport units (e.g. vw, vh, vmin, vmax), and they are mostly pretty great. It's cool to always have a unit available that is relative to the entire

The GitHub Campus Expert applications are officially open for the August 2021 generation!

The “transform” property is such a powerful part of the CSS language! In this blog post, we'll take a deep look at this property and see some of the nifty things it can do.

What the research is: A first-of-its-kind study detailing our backbone management strategy to ensure high service performance throughout the COVID-19 pandemic. The pandemic moved most social interactions online and caused an unprecedented stress test on our global network infrastructure with tens of data center regions. At this scale, failures such as fiber cuts, router misconfigurations, […] Read

After almost five years in development, the new HTTP/3 protocol is nearing its final form. Earlier iterations were already available as an experimental feature, but you can expect the availability and use of HTTP/3 proper to ramp up over in 2021. So what exactly is HTTP/3? Why was it needed so soon after HTTP/2? How can or should you use it? And especially, how does it improve web performance? Let

Today, we are proud to announce a new way to connect your Pages application with your headless CMSs and databases: introducing Deploy Hooks for Pages.

Nuxt offers an incredible developer experience, with a lot of performance and application setup best practices baked in. In recent releases, they’ve been

I recently wrote a very basic Sass loop that outputs several padding and margin utility classes. Nothing fancy, really, just a Sass map with 11 spacing

ZippyDB is the largest strongly consistent, geographically distributed key-value store at Facebook. Since we first deployed ZippyDB in 2013, this key-value store has expanded rapidly, and today, ZippyDB serves a number of use cases, ranging from metadata for a distributed filesystem, counting events for both internal and external purposes, to product data that’s used for […]

In Understanding GraphQL for Beginners–Part Three, we learn what are mutations and create mutation queries to modify data.

VS Code can be supercharged wuth hundreds of [VS Code extensions](https://www.smashingmagazine.com/2021/05/useful-vs-code-extensions-web-developers/). In this article, Leonardo shares four useful extensions that help him in his daily work.

Cloudflare is excited to announce our Back to School initiative that provides special K-12 Education pricing to help school districts stop cyber attacks while improving web performance.

Flutter is Google's UI framework used to create flexible, expressive cross-platform mobile applications. It is one of the fastest-growing frameworks for

It’s been a busy time of the year for our Hubbers (GitHub employees). We’ve been shipping products, getting ready for launches, and taking some much needed time off for the…

How can we make disabled buttons more inclusive? When do they work well, and when do they fail on us? And finally, when do we actually need them, and how can we avoid them? In this article, Vitaly Friedman will take a look to common usability issues with disabled buttons, how to fix these issues and when disabling buttons actually makes sense. We’ll start from the beginning, looking into when disa

By using PostgREST with Postgres, we can build REST API-based applications. In particular, it's an excellent fit for Cloudflare Workers, our serverless function platform. Workers is a great place to build REST APIs.

We are releasing Winterfell, our implementation of a STARK prover/verifier to Crates.io Winterfell is an easy to use open source implementation of STARKs for security and privacy applications. One potential application for Winterfell’s zero-knowledge proofs is blockchain privacy and scalability. “Any sufficiently advanced technology is indistinguishable from magic.” —Clarke’s Third Law What if the

In this article, we’ll discuss and learn about the use case of iterating over React `children` and the ways to do it. In particular, we will deep dive into one of the utility methods, `React.Children.toArray`, that React gives us, which helps to iterate over the children in a way which ensures performance and determinism.

When multiple clients access the same storage concurrently, race conditions abound. Durable Objects can make it easier. We recently rolled out improvements to Durable Objects that automatically correct many common race conditions while actually making your code faster.

Embracing the fragility of the web empowers us to build UIs capable of adapting to the functionality they can offer, whilst still providing value to users. The User Experience (UX) doesn’t need to be all or nothing — just what is usable. This premise, known as graceful degradation allows a system to continue working when parts of it are dysfunctional — much like an electric bike becomes a regular