
Through the eyes of a Cloudflare Technical Support Engineer
Justina Wong, Technical Support Team Lead in Lisbon, talks about what it’s like working at Cloudflare, and everything you need to know if you want to join us.
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Justina Wong, Technical Support Team Lead in Lisbon, talks about what it’s like working at Cloudflare, and everything you need to know if you want to join us.

The world runs on software, and a large portion of it, especially the open source software that’s part of everything we experience, is built by millions of developers on GitHub…

February is Black History Month in the US and Canada, a month when we celebrate our amazing Black/African American heritage and what it represents in our society, our work, and…

Are you a student developer looking to land an internship? We’ve got answers! We recently sat down with Co.Lab Co-founder Helen Huang on GitHub Campus TV to find out how…

A little tool to make DNS queries

How Shopify’s Test Infrastructure team was able to reduce the p95 of Shopify’s core monolith CI from 45 minutes to 18.

Where to put the label in a web form? In the early days, we talked about left-aligned labels versus top-aligned labels. These days we talk about floating labels. Let’s explore why they aren’t a very good idea, and what to use instead. Some people assume float labels are best because Google’s Material Design uses them. But in this case, Adam Silver recommends using conventional text fields which ha

We've covered the idea of hiding things in CSS many times here, the most recent post being Marko Ilic's "Comparing Various Ways to Hide Things in CSS" which

React component tests should be interesting, straightforward, and easy for a human to build and maintain.

Of all the reasons we love and use Jetpack for CSS-Tricks—a poster child WordPress site—is that we can sleep easy at night knowing we have real-time backups

UPDATED 2023: A trigger is a way to automatically respond to events. This is a tutorial on how to manage and program triggers in PostgreSQL.

As technology transforms the global economy, Dr. Bernice King, the CEO of the King Center for Nonviolent Social Change, is striving to make sure these new economic opportunities are available…

Developers know the value of openness, and increasingly policymakers are taking note. Open source and open standards approaches offer promising solutions to mounting policy problems related to digital sovereignty. One…

What the research is: Silent data corruption, or data errors that go undetected by the larger system, is a widespread problem for large-scale infrastructure systems. This type of corruption can propagate across the stack and manifest as application-level problems. It can also result in data loss and require months to debug and resolve. This work […]

Rendering optimizations that come naturally.

A classic problem in CSS is maintaining the aspect ratio of images across related components, such as cards. The newly supported `aspect-ratio` property in combination with `object-fit` provides a remedy to this headache of the past! In this article, Stephanie Eckles will show you how to use these properties, in addition to creating a responsive gradient image effect for extra flair.

Learn more about how Vercel's latest feature will give access to usage information so your Team can optimize your builds.

Let’s talk shadows in web design. Shadows add texture, perspective, and emphasize the dimensions of objects. In web design, using light and shadow can add

The z-index property can be a tricky little bugger. Sometimes, no matter how much you crank up the number, the element never rises to the top! In this article, we explore stacking contexts, and see how they can thwart our efforts to use z-index. We'll also learn how to use this mechanism to our advantage.

We will be hosting a talk about our work on Scaling a Distributed Priority Queue during our virtual Systems @Scale event at 11 am PT on Wednesday, February 24, followed by a live Q&A session. Please submit any questions to [email protected] before the event. The entire Facebook ecosystem is powered by thousands of distributed systems […]


At Shopify, we’ve long used database replication for redundancy and failure recovery, but only fairly recently started to explore the potential of replicas as an alternative read-only data source for applications.

As digital practitioners, GDPR has impacted every facet of our professional and personal lives. Whether you’re addicted to Instagram, message your family on WhatsApp, buy products from Etsy or Google information, no one has escaped the rules that were introduced in 2018.

Allowing users to securely log parts of the request that match firewall rules while making it impossible for anyone else to decrypt.