Optimizing Vercel Sandbox snapshots
Vercel Sandbox snapshots let you save and restore your entire filesystem. Learn how we optimized snapshot restores with parallel downloads, streaming decompression, and local NVMe caching.
Quick Hit #156
Chrome 150 implements comma-separated container queries as well as <image> support for light-dark(), following Firefox support.
Quick Hit #114
Firefox 149 and Safari 26.4 now allow for querying the @container name only.
What’s !important #7: random(), Folded Corners, Anchored Container Queries, and More
For this issue we have random(), folded clip-path corners, anchored container queries, customizable select, scroll-triggered animations, and more.
Simplifying Containers with Cloudflare Sandboxes
How I replaced a long-lived Cloudflare Container with a one-shot Cloudflare Sandbox, deleted most of the control-plane code, and let an agent do the heavy lifting in less than an hour of my own time.
A Social Filesystem
Formats over apps.
Debugging WASM in Chrome DevTools - Eli Bendersky's website
Quick Hit #64
Chrome 143 has introduced anchored fallback container queries to help us query the currently applied fallback position of anchored elements.
The Range Syntax Has Come to Container Style Queries and if()
Being able to use the range syntax with container style queries — which we can do starting with Chrome 142 — means that we can compare literal numeric values as well as numeric values tokenized by custom properties or the attr() function.
New zine: The Secret Rules of the Terminal
Building a more accessible GitHub CLI
How do we translate web accessibility standards to command line applications? This is GitHub CLI’s journey toward making terminal experiences for all developers.
Open sourcing the home CMS
I’ve been bragging about my website software for years! For… whew, it’s been 5 years! I didn't want to make a CMS! I did it out of spite! I’ve been teasing folks about the cool things I did from the beginning — here are all the articles and series I’ve written that mention it: 2020: A new website 2021: Don’t shell out! 2022: Updating fasterthanli.me 2024: Face cams: the missing guide 2024: State o
Git turns 20: A Q&A with Linus Torvalds
To celebrate two decades of Git, we sat down with Linus Torvalds—the creator of Git and Linux—to discuss how it forever changed software development.
An Insider’s Tips for Taking the Certified Backstage Associate (CBA) Exam
TL;DR There’s a brand new engineering certification in town: Certified Backstage Associate (CBA). Offered through The Linux Foundation, the certification shows that you have the skills and knowledge to build and manage Backstage — the open framework for internal developer portals (IDPs) that was developed at Spotify and is now used at thousands of companies around the world. If you’re interested i
Searching for the cause of hung tasks in the Linux kernel
The Linux kernel can produce a hung task warning. Searching the Internet and the kernel docs, you can find a brief explanation that the process is stuck in the uninterruptible state. That explains the warning’s meaning, but doesn’t provide the reason it occurred. In this blog post we’re going to explore how the warning works.
Some terminal frustrations
Container Queries Unleashed
Container queries expand the universe of designs that can be implemented, giving us whole new superpowers. Now that container queries are broadly available, I think it’s time we start exploring this potential! In this post, I’ll share the “killer pattern” I can’t stop using in my work, and explore what’s possible with this new capability.
What's involved in getting a "modern" terminal setup?
"Rules" that terminal programs follow
A Friendly Introduction to Container Queries
It’s been a couple of years since container queries started landing in browsers… so why isn’t anyone using them? It turns out that container queries are kinda tricky; they’re not as straightforward as media queries. In this tutorial, we’ll break it all down and make sense of them, so that you can start using them in your work.
ASCII control characters in my terminal
ASCII control characters in my terminal
Stripe Terminal’s expanding ecosystem: New partnerships bring flexibility and innovation to unified commerce
We’re announcing a host of partnerships that allow Terminal to work with more third-party hardware, processors, and point-of-sale (POS) systems.
Terminal colours are tricky
Terminal colours are tricky
Clever Polypane Debugging Features I'm Loving
I'm working on a refresh of my personal website, what I'm calling the HD remaster. Well, I wouldn't call it a "full" redesign. I'm just cleaning things up,
Reasons I still love the fish shell
Reasons I still love the fish shell
Entering text in the terminal is complicated
Entering text in the terminal is complicated
Reasons to use your shell's job control
Reasons to use your shell's job control
Linux Crisis Tools
eBPF Documentary
GitHub-hosted runners: Double the power for open source
GitHub Actions continues its industry-leading support for the OSS community by doubling the Windows/Linux machine size to 4-vCPU runners at no cost for public repositories.
Rotating credentials for GitHub.com and new GHES patches
GitHub received a bug bounty report of a vulnerability that allowed access to the environment variables of a production container. We have patched GitHub.com and rotated all affected credentials. If you have hardcoded or cached a public key owned by GitHub, read on to ensure your systems continue working with the new keys.
Diff Debugging
Better debugging for Cloudflare Workers, now with breakpoints
We provide many tools to help you debug Cloudflare Workers; from your local environment all the way into production. In this post, we highlight some of the tools we currently offer, and do a deep dive into one specific area - breakpoint debugging - a tool we recently added into our workerd runtime
Asahi Linux folks are doing us a solid with WPA3 fixes
Behind "Hello World" on Linux
Behind "Hello World" on Linux
Lima: a nice way to run Linux VMs on Mac
Lima: a nice way to run Linux VMs on Mac
Useful DevTools Tips and Tricks — Smashing Magazine
Let’s discover the most popular DevTools tips that can boost your productivity and revolutionize your debugging workflow.
Lost in transit: debugging dropped packets from negative header lengths
In this post, we'll provide some insight into the process of investigating networking issues and how to begin debugging issues in the kernel using pwru and kprobe tracepoints
The Linux Crypto API for user applications
If you run your software on Linux, the Linux Kernel itself can satisfy all your cryptographic needs! In this post we will explore Linux Crypto API for user applications and try to understand its pros and cons
Print copies of The Pocket Guide to Debugging have arrived
Print copies of The Pocket Guide to Debugging have arrived
S p a m m y s y s c a l l s in strace dumps
New zine: The Pocket Guide to Debugging
New zine: The Pocket Guide to Debugging
A debugging manifesto
A debugging manifesto
The night of 1000 alerts (but only on the Linux boxes)
13 tiny, terrific, and terrifying games to hack, slay, and play this Halloween 🧛🏻♀️
Some seriously spooktacular open source games for the web, Windows, macOS, and Linux with all sorts of fun hacks for infinite lives, invulnerability, and playing with time.
WebKit Features in Safari 16.0
Whew boy, Safari 16 is officially out in the wild and it packs in a bunch of features, some new and exciting (Subgrid! Container Queries! Font Palettes!) and
Four Approaches to Debugging Server-side WebAssembly - Shopify
While it has many benefits for customizing business logic, WebAssembly poses new challenges when debugging. In this post, Jeff covers four approaches that can be taken to step debug code that will be running in a WebAssembly environment.
iShadeed's Container Queries Lab
Ahmad Shadeed got an early jump on container queries and has a growing collection of examples based on everyday patterns.
Some ways to get better at debugging
Some ways to get better at debugging
What happens when you press a key in your terminal?
What happens when you press a key in your terminal?
Conditionally Styling Selected Elements in a Grid Container
Calendars, shopping carts, galleries, file explorers, and online libraries are some situations where selectable items are shown in grids (i.e. square
Dig through SERVFAILs with EDE
Now we’re happy to announce we will return more error code types and include additional helpful information to further improve your debugging experience.
PIPEFAIL: How a missing shell option slowed Cloudflare down
This post tells the story of how a missing shell option called “pipefail” slowed Cloudflare down.
A nice story about Unix processes "infecting" each other
Slicing and Dicing Instant Logs: Real-time Insights on the Command Line
Today, I am going to introduce you to Instant Logs in your terminal
The container throttling problem
Debugging a weird 'file not found' error
Debugging a weird 'file not found' error
Powerful Terminal And Command-Line (CLI) Tools For Modern Web Development — Smashing Magazine
What’s your favorite command-line tool? In this post, Louis Lazaris shares a collection of relevant command-line apps and utilities that he has personally come across in the past few years. If there’s a useful one that hasn’t been mentioned and one you use regularly, please do share it in the comments.
Data pipeline asset management with Dataflow - Netflix TechBlog
The problem of managing scheduled workflows and their assets is as old as the use of cron daemon in early Unix operating systems. The design of a cron job is simple, you take some system command, you…
Creating the Perfect Commit in Git
A commit can be something that helps us stay on top of things. It can be a container for related changes that belong to one and only one topic, and thereby make it easier for us to understand what happened. In this post, we’re talking about what it takes to produce the "perfect" commit.
