I used to write more

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Go 1.25 introduces experimental support for encoding/json/jsontext and encoding/json/v2 packages.

The collaborative infinite canvas is an AI-generated image that extends endlessly in all directions. All changes you make are visible to everyone else in real time.

How good are LLMs at text-based video games?

The peak of hype isn’t the best moment to reflect on AI. Will it take your job, or is it the next fad like NFTs? Are AI startups ridiculously overvalued, or are the companies that sleep on AI doomed? ...

Personal website for Andreas Varotsis

A paper from Anthropic describing persona vectors and their applications to monitoring and controlling model behavior

At Uber, back-end service efficiency directly influences operational costs and user experience. In March 2024 alone, the top 10 Go services accounted for more than multi-million dollars in compute spend alone —an unsustainable amount that underscored the need for systematic performance tuning. Traditionally, optimizing Go services has required deep expertise and significant manual effort. Profiling, benchmarking, and analyzing code could take days or even weeks. Performance tuning is prohibitively expensive and non-trivial for most teams. PerfInsights was born as an Uber Hackdayz 2024 finalist and has since evolved into a production-ready system that automatically detects performance antipatterns in Go services. It uses runtime CPU and memory profiles with GenAI-powered static analysis to pinpoint expensive hotpath functions and recommend optimizations.

Go's data race detector can miss possible races in executed code when using mutexes

As the Trump administration's “big, beautiful bill” eliminates many clean-energy incentives in the U.S., China continues huge investments in wind and solar power, reportedly accounting for 74 percent ...

How do agents act over very long horizons? We answer this by letting agents manage a simulated vending machine business. The agents need to handle ordering, inventory management, and pricing over long...

Transform any Cobra CLI into an MCP server. Contribute to njayp/ophis development by creating an account on GitHub.

We let Claude run a small shop in the Anthropic office. Here's what happened.

The models that did the best learned to lie, deceive, and betray their fellow players

File parsers in Go contain unexpected behaviors that can lead to serious security vulnerabilities. This post examines how JSON, XML, and YAML parsers in Go handle edge cases in ways that have repeated...

Posted on Friday 23 May 2025. 2,909 words, 19 links. By Matt Webb.

Minecraft made me a coder. LLMs let me become the game designer I always wanted to be.

Contribute to brumar/loop development by creating an account on GitHub.

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