kyanos(opens in new tab)
A simple & powerful eBPF-based network issue, analysis and tracing tool.
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Latest posts from blogs I follow
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How to get hired in 2025(opens in new tab)
A collection of red flags in software engineers' test assignments
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Is Prompt Injection a Vulnerability?(opens in new tab)
 I want to respond to my buddy Joseph Thacker's [blog post](https://josephthacker.com/ai/2025/11/24/prompt-injection-isnt-a-vulnerability.html) about whether Prompt Injection is a vulnerability. I'm in the "Ye...
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Happy Thanksgiving from Big W!(opens in new tab)
With Thanksgiving upon us I’m reminded that 2025 is quickly coming to a close. As you look ahead to 2026 I hope you consider Big W Engineering Solutions to help you scale up, expand your capabilities, or overcome tough challenges. ...
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I no longer block AI bots on my website(opens in new tab)
It's now a common pass time for bloggers, content publishers and website administrators to share their best tips and trick on how to best block scraping bots. I've also spent
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A Software Engineer's Guide to Agentic Software Development(opens in new tab)
I've cracked the code on breaking the eternal cycle - features win, tech debt piles up, codebase becomes 'legacy', and an eventual rewrite. Using coding agents at GitHub, I now merge multiple tech debt PRs weekly while still delivering features. ...
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Kubernetes Configuration Good Practices(opens in new tab)
Configuration is one of those things in Kubernetes that seems small until it's not. Configuration is at the heart of every Kubernetes workload. A missing quote, a wrong API version or a misplaced YAML indent can ruin your entire deploy. ...
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Is the BenQ coding monitor any good?(opens in new tab)
The BenQ coding monitor does come with one major downside, but it (surprisingly) became my primary monitor as soon as I unboxed it.
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Thoughts on Prompt Injection OPSEC(opens in new tab)
 I want to respond to [this blog post](https://disesdi.substack.com/p/ai-red-teaming-has-an-opsec-problem) that's arguing that prompt injection strings are essentially zero-days that we should not share wi...
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What is a tech bubble anyway? (Changelog News #171)(opens in new tab)
Cedric Chin says comparisons of our current AI *maybe-bubble* to the dot-com bubble and the 2008 GFC are limiting, Matthew Prince does a post-mortem on last week's Cloudflare outage, "hl" is a fast / powerful log viewer for humans, Enthusiast ...
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Generalising itertools.pairwise(opens in new tab)
In this article you will learn about itertools.pairwise, how to use it, and how to generalise it. In this tutorial you will learn to use and generalise itertools.pairwise. You will understand what itertools.pairwise does, how to use it, and how ...
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Keep the Robots Out of the Gym(opens in new tab)
[](/images/keep-robots-out-gym-v35.webp) AI is getting so good now (at the end of 2025) that I now have a new, primary recommendation going into 2026: **Think very carefully about where you get help from AI.** I ...
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The AI Quality Paradox(opens in new tab)
[](/images/ai-quality-dystopia.png) [Nano Banana Pro has shown me a type of AI dystopia I hadn't thought of before.](https://blog.google/technology/ai/nano-banana-pro/) During the soon-to-be good-ol-days of 2023 to 2025, when we saw low-quali...
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Progressive Web Scraping with a Four-Tier Fallback System(opens in new tab)
 [[toc]] Hey, this is Kai, Daniel's assistant. Daniel asked me to write a technical tutorial about this four-tier progressive web scraping system we just built together. Different websites need different app...
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Prompt Injection Isn’t a Vulnerability(opens in new tab)
OKAY. OKAY. OKAY. It can be a vulnerability. But it’s almost never the root cause.
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Handmade holiday gifts(opens in new tab)
Selling things stresses me out. But making things is fun, so here we are. If you’re looking for holiday gifts – for yourself or others – I’d love to help out. Take my pots, please!
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Antigravity(opens in new tab)
First impressions about Antigravity, the new agentic IDE from Google
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TIL #137 – Inline SVGs in Jupyter notebooks(opens in new tab)
Today I learned how to inline SVGs in Jupyter notebooks in two simple steps. Today I learned how to inline SVGs in Jupyter notebooks in two simple steps: URL-encode the SVG markup. If you have an SVG file, open it ...
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Grid Paper(opens in new tab)
Try Grid Paper I’ve been getting into drawing dungeons on isomorphic grids. It’s fun but I was a little frustrated with the process of sourcing and printing out graph paper with an isomorphic grid on it. You have two bad ...
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🤖 How I Accidentally Spent Over 62 Million OpenAI Tokens(opens in new tab)
I’ve been fighting a runaway OpenAI bill for the last few weeks. I was worried I was leaking one of my API keys in a non-obvious way, possibly in one of my public projects. Two weeks ago, I deleted all ...
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How reducers work(opens in new tab)
I did a livestream about how reducers work, and now, I give it to you.
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TIL: Default code block languages for mkdocs(opens in new tab)
Really useful for making inline code examples have code highlighting.
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Should I rewrite the Python Launcher for Unix in Python?(opens in new tab)
I want to be upfront that this blog post is for me to write down some thoughts that I have on the idea of rewriting the Python Launcher for Unix from Rust to pure Python. This blog post is not ...
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Rewriting SQLite: Adding a new join algorithm(opens in new tab)
I am not sure that there exists a group of bigger SQLite nerds than those of us at Turso. We use SQLite for everything.. Including for OLAP workloads where we should be using duckdb, or for services which we would ...
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Judge AI by Outputs, not Mechanism(opens in new tab)
[](/images/ai-understanding-outputs.png) This song captures extraordinarily well why arguments about AI understanding are completely misguided and empty. This is a 1950s soul version of "Many Men" by 50 Cent. ...
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NOT a swarm! (Changelog & Friends #118)(opens in new tab)
Practical AI co-host, Chris Benson, joins us to discuss the latest advancements in AI, drones, home automation, and robotic swarming tech. Chris defines "swarm" with detail/precision and it turns out that what most people are calling a swarm today is ...
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Self-Host Weekly (21 November 2025) (opens in new tab)
Survey results, cranberry sauce, government affairs, and open-source burnout
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2025 Self-Host User Survey Results (opens in new tab)
Visualized results across 4,000+ responses to 2025's annual user survey
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Entrepreneurs and athletes(opens in new tab)
Entrepreneurs and athletes are all the same: they find the red zone and stay there until they win... or die of exhaustion. Actually, many entrepreneurs are also athletes, as if
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Non-determinism and ownership(opens in new tab)
Humans and LLMs are both non-deterministic, probabilistic entities when it comes to work... but humans actually are held accountable for mistakes.
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The varying strictness of TypedDict(opens in new tab)
I was writing some code where I was using httpx.get() and its params parameter. I decided to use a TypedDict for the dictionary I was passing as the argument since it was for a REST API, where the potential keys ...
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Leave the em dash Alone(opens in new tab)
 I'm annoyed by all the hate against the em dash. As [Matthew Butterick captures brilliantly](https://practicaltypography.com/hyphens-and-dashes.html), it adds pauses to sentences. Or more specifically and importantly for...
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Like solar, Rust is inevitable(opens in new tab)
Proofreading yesterday's analysis of Rust usage at Cloudflare made me put words on a deep feeling that I have since long time, as this blog can attest. Rust is not
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The "Vibe Coding Keyboard" How I Made My Walk-and-Talk Setup Even More Awesome(opens in new tab)
So, picture this: you’re working at a walking desk, you’ve got a cool voice-to-text tool like MacWhisper running, and you want to control it all with just a couple of dedicated keys. That was the dream that led me to ...
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Creating communal computers (Changelog Interviews #667)(opens in new tab)
Spencer Chang caught our attention with the alive internet theory website, but he creates all kinds of computery things to bring people together around play, connection, and creation. Spencer's experiments with computing-infused objects inspired him to create an entire line ...
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How Cloudflare uses Rust to serve (and break) millions of websites at 50+ millions requests per second(opens in new tab)
Yesterday, on Novemver 18, 2025, Cloudflare deployed
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Data-at-Rest Encryption in DuckDB(opens in new tab)
DuckDB v1.4 ships database encryption capabilities. In this blog post, we dive into the implementation details of the encryption, show how to use it and demonstrate its performance implications.
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gitlogue(opens in new tab)
A git commit history replay tool for the terminal.
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It feels good to be online when most of the internet is down 😎(opens in new tab)
A significant portion of the web is currently down due to a Cloudflare outage. This is the second / third time that something like that happen in less than 30
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Notes #75(opens in new tab)
Du 9 au 18 novembre 2025
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Why is Zig so cool? (Changelog News #170)(opens in new tab)
Nilo Stolte explains why Zig is "a totally new way to write programs", George Mack gives twelve actionable ways to be more creative, Mario Zechner shares his findings on using MCP vs Bash tools, Josh Collinsworth compares creating AI art ...