Async Python Is Secretly Deterministic
When adding async support to our Python durable execution library, we ran into a fundamental challenge: durable workflows must be deterministic to enable replay-based recovery. Making async Python workflows deterministic is difficult because they often run many steps concurrently. For example, a common pattern is to start many concurrent steps and use asyncio.gather to collect […]
How to Make a Sliding, Self-Locking, and Predator-Proof Chicken Coop Door (2020)
Want a secure flock, but don’t feel like hand locking a latch or padlock on your coop door every night? Well look no farther! This vertical door slides easily with the small tug of a string that is conveniently located outside your coop. Most importantly, the coop door self locks from the inside as it […]
A case study in testing with 100+ Claude agents in parallel
In our previous blog post, we introduced mngr and how you can use it to usefully launch hundreds of parallel agents. Here’s all the details of how we are actually using mngr to run and improve itself, by testing its own demo script. This is how the entire setup works: We start from a tutorial […]
iNaturalist
Every observation can contribute to biodiversity science, from the rarest butterfly to the most common backyard weed. We share your findings with scientific data repositories like the Global Biodiversity Information Facility to help scientists find and use your data. All you have to do is observe.
Go on Embedded Systems and WebAssembly
TinyGo brings the Go programming language to embedded systems and to the modern web by creating a new compiler based on LLVM. You can compile and run TinyGo programs on over 100 different microcontroller boards from maker boards such as the BBC micro:bit and the Arduino Uno, to industrial processors from Nordic Semiconductor and ST […]
OpenClaw privilege escalation vulnerability
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F-15E jet shot down over Iran
One US service member has been rescued after a US F-15E Strike Eagle fighter was shot down over Iran, prompting a frantic effort to locate its two-strong crew, in the first such incident since the war began almost five weeks ago. US officials familiar with the situation said one crew member was still missing late […]
Netflix Void Model: Video Object and Interaction Deletion
VOID removes objects from videos along with all interactions they induce on the scene — not just secondary effects like shadows and reflections, but physical interactions like objects falling when a person is removed. It is built on top of CogVideoX and fine-tuned for video inpainting with interaction-aware mask conditioning. Example: If a person holding […]
Porting Go’s strings package to C
Creating a subset of Go that translates to C was never my end goal. I liked writing C code with Go, but without the standard library it felt pretty limited. So, the next logical step was to port Go’s stdlib to C. Of course, this isn’t something I could do all at once. I started […]
Running Out of Disk Space in Production
Last night I put up a simple server which allowed customers to download the digital Kanjideck files. This server is hosted on a small Hetzner machine running NixOS, at 4GB of RAM and 40GB of disk space. One of these downloadable files weights 2.2GB. The matter at hand boils down to a simple Haskell program […]