1,342 articles published in 2023.
TL; DR: We’re announcing a new open source type checker for Hack, called Hakana. Slack launched in 2014, built with a lot of love and also a lot of PHP code. We started migrating to a different language called Hack in 2016. Hack was created by Facebook after they had struggled to scale their operations…
In this article, Andy Budd shares his way of requesting feedback: rather than sharing a linear case study that explains every design revision, the first thing to do would be to better frame the problem.
Today’s post is a little different. It’s about a single customer’s website not working correctly because of incorrect action taken by Cloudflare.
A brand-new patch in PostgreSQL 16 provides a way to reserve connection slots for non-superusers. Find out the news here!
A lot has changed since the initial launch of our basemap in late 2020. We’re Meta now, but our mission remains the same: Giving people the power to build community and bring the world closer together. Across Meta, our family of applications (Facebook, Instagram, WhatsApp, among others) are using our basemap to connect people through […]
In this episode of the Smashing Podcast we ask how has the design industry changed? Is technology making our work easier? Vitaly Friedman talks to veteran designer Veerle Pieters to find out.
Vercel Remote Cache makes your Turborepo caching strategy multiplayer, allowing you to share caches with your teammates and CI.
A look at what went into building the world’s largest public code search index.
Explore how GitHub Advanced Security can help address several of the OWASP Top 10 vulnerabilities
Facebook for iOS (FBiOS) is the oldest mobile codebase at Meta. Since the app was rewritten in 2012, it has been worked on by thousands of engineers and shipped to billions of users, and it can support hundreds of engineers iterating on it at a time. After years of iteration, the Facebook codebase does not […]
Web development, especially what you can do with CSS, has become increasingly complex. With the added capabilities of CSS Grid, it is now possible to achieve layouts that look like they were laid out by hand. Let’s tackle a practical example of how to do something like that.
Administrators can now use Gateway traffic egress policies to determine which egress IPs are used when.
Today we’re adding more flexibility to HTTP alerting, enabling customers to customize the types of activity they’re alerted on and how those alerts are organized.
The Gestalt team tells us how they used Figma’s REST API to create FigStats, a dashboard for visualizing component usage.
We’ve got ten top games from the latest Ludum Dare game jam plus source code for you to check out. Pun intended.
Below are my prepared remarks delivered at the EU Open Source Policy Summit in Brussels on Feb 3rd.
Over the past few days, Cloudflare, as well as other sources, have observed healthcare organizations targeted by a pro-Russian hacktivist group claiming to be Killnet.
Recently, a vulnerability was reported to our bug bounty about a bug in the way some of our code interprets IPv4 addresses mapped into IPv6 addresses.
Explore how the GitHub Docs team uses GitHub Projects for content coordination, reviews, and publishing.
What if developers want to leverage branch deployments but don’t have a full ChatOps stack integrated with their repositories? We wanted to set out to find a way for all developers to be able to take advantage of branch deployments with ease, right from their GitHub repository, and so the branch-deploy Action was born!
The hardest part of writing tests is setting things up. Test suites have complicated helper tools, stubs, and fixtures. Learn 4 things you can do to get started.
Podcasts are a fantastic opportunity to get up close with the people who know their craft. In this post, we compiled podcasts that are bound to provide valuable insights into UX and new perspectives on the field. Perfect for a short coffee break or a long commute.
In handling forms in React, you can either set up a custom solution or reach out to one of the many form libraries available. In this article, we compare some React Libraries: SurveyJS, Formik, React Hook Form, React Final Form, and Unform.
Lightsail provides all the power we need to host our websites, as we are used to from AWS, but making it way easier than ever before. In this article, Leonardo Losoviz explores how to launch a WordPress site in Lightsail in a quick and easy way.
The DEI Resource Hub is a vetted collection of resources, tools, and best practices designed to help open source maintainers create and maintain inclusive and diverse open source communities.
We’re taking a look at how open source software has evolved on GitHub, and how the role of a maintainer and contributor has changed alongside the massive growth in open source software.
In January, we experienced two incidents, one that resulted in degraded performance for Packages and Pages and another that impacted Git users.
After Duplo modularization, we noticed that the task producing a transitive R class was taking a significant amount of time to execute. To eliminate this task altogether, and since the non-transitive R class is advertised to have up to 40% incremental build time improvement, we decided to migrate our codebase to use it. If you’re not…
The new App Directory architecture has been the main character of the recent Next.js release, which keeps bringing up many questions. In this article, Atila Fassina explores the advantages and pitfalls of this new strategy and reflects on whether you should use it in production now or not.
Deep linking and attribution are important functionalities for a growing business. Deep links seamlessly get you to the content you want in the app. Attribution helps us understand which activity (such as marketing or sharing) drives you to that content. At Spotify in 2017, these critical functionalities were in disrepair. But over the course of five years, we’ve endured ups and downs and learned
As the field of machine learning (ML) continues to evolve and its impact on society and various aspects of our lives grows, it is becoming increasingly important for practitioners and innovators to consider a broader range of perspectives when building ML models and applications. This desire is driving the need for a more flexible and scalable ML infrastructure.
On January 14, between 00:15 UTC and 03:45 UTC, Spotify suffered an outage. The impact was small at first and increased over the course of an hour until most functionality (including playback) was not working. Spotify engineers were first notified of the problem at 00:40 UTC, and our incident response team was immediately assembled. Due to the nature of the incident, triage took longer than one wo
Historical tutorial for a GPT-3 Twitter bio generator. For new AI apps on Vercel, use Vercel Functions with Fluid compute and streaming.
In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control configuration that is set up with "tc qdisc" and "tc class" commands.
Have you ever seen data corruption from transaction ID wraparound? Avoid PostgreSQL performance problems - read here what causes it.
In this series, we talk to industry experts about how they’re managing the the future of design systems—from tooling to automation to accessibility.
In the coming months, we’re scaling, expanding, and launching new programming to further DEI within open source communities.
We’ve made architecture changes to Meta’s event driven asynchronous computing platform that have enabled easy integration with multiple event-sources. We’re sharing our learnings from handling various workloads and how to tackle trade offs made with certain design choices in building the platform. Asynchronous computing is a paradigm where the user does not expect a workload […]
Do you need a little inspiration boost? Well, then our new batch of desktop wallpapers is for you. Designed by artists and designers from across the globe, they come in versions with and without a calendar for February 2023.
Throughout a customer journey (particularly in B2B), there will be interactions that are primarily between two people rather than a human and an interface. In this article, Paul Boag explains why you cannot improve the user experience without considering the entirety of the UX journey.
Update to the latest version of Desktop and previous version of Atom before February 2.
Developers often feel discouraged from editing SVG markup and experimenting with SVG animations, thinking it’s a significant time investment or they need to use a complex animation library to do so. In this article, Adrian showcases his favorite tricks, which make the process streamlined and fun.
In our third and final blog post leading up to Data Privacy Day, we drill down into the challenges for cross-border data flows, in particular personal data transfers from the EU to the US.
Using the story of Geo Key Manager v2 as an example, let’s re-imagine access control for distributed systems using a variant of public-key cryptography, called attribute-based encryption.
Today, 78 years after the liberation of the Auschwitz death camp, we mark the International Holocaust Remembrance Day. With Cloudflare’s Project Galileo, we protect Holocaust educational websites and at risk public interest groups. Read more to see how attacks on these groups increased in 2022.
Tucked down somewhere in the Safari Technology Preview 161 release notes is a seemingly innocous line about support for a new HTML element and attribute:
Object Graph Notation Language (OGNL) is a popular, Java-based, expression language used in popular frameworks and applications, such as Apache Struts and Atlassian Confluence. Learn more about bypassing certain OGNL injection protection mechanisms including those used by Struts and Atlassian Confluence, as well as different approaches to analyzing this form of protection so you can harden similar
Managing network solutions amidst a growing scale inherently brings challenges around performance, deployment, and operational complexities. At Meta, we’ve found that these challenges broadly fall into three themes: 1.) Data center networking: Over the past decade, on the physical front, we have seen a rise in vendor-specific hardware that comes with heterogeneous feature and […]
Let’s unpack our approach to BFCM Scale Testing to explore some of what it takes to ensure that our ecommerce platform can handle the busiest weekend of the year.
In this article, Rachel walks you through various ways that product teams can utilize to build relationships with customers. She will share some tips and tricks from her experience that have helped her nurture customer relationships and build better products.
Learn how Vercel builds, deploys, and scales serverless applications with speed and global reliability
We continue to expand and improve our data localization suite to help support our customers who have to comply with data localization requirements
Laying the groundwork for developer-enabled compliance.
The technical journey discusses the motivations, challenges, and technical solutions employed for warehouse schematization, especially a change to the wire serialization format employed in Meta’s data platform for data interchange related to Warehouse Analytics Logging. Here, we discuss the engineering, scaling, and nontechnical challenges of modernizing Meta’s exabyte-scale data platform by migra
This story looks at the opportunity Dev Degree gave me, the challenges I overcame, and the weaknesses that turned out to be strengths. If you’re thinking about a career in tech, but don’t think you have the stuff for it, this story is for you.
Managing our colors can truly help people to access our content. In this article, Brecht de Ruyte takes a deep dive into how we can create a high-contrast system while maintaining a balance between designing something accessible and respecting the look and feel of a brand.
