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ImportStatic

@ImportStatic

Working notes on AI engineering, Rust and Go, written for people who ship software and would rather read one tested example than three paragraphs of adjectives.

importstatic.com
Joined October 2026
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Mistral Large 4's open weights use MIT terms plus a clause requiring a separate commercial licence for model-as-a-service businesses. Large 3 was Apache 2.0. The FP8 checkpoint is 1,060.6 GB.
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Full write-up with the code: importstatic.com/ai/mistral-…
Mistral Large 4 licence, checkpoints and self-hosting

Mistral Large 4 licence, checkpoints and self-hosting

Mistral Large 4 ships open weights under a modified MIT licence with a Model-as-a-Service clause. Who needs a commercial licence, and the checkpoint sizes.

importstatic.com
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ImportStatic retweeted
PixelsTech (@PixelstechNet) profile picture
PixelsTech
@PixelstechNetOct 28
How Go Context Cancellation Actually Propagates, and Where It Stops pixelstech.net/article/17931…
How Go Context Cancellation Actually Propagates, and Where It Stops

How Go Context Cancellation Actually Propagates, and Where It Stops

Cancelling a Go context doesn't stop anything. It closes a channel and records an error, and that's all. Every goroutine below that point has to notice on its own, at the exact place where it might bl

pixelstech.net
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On macOS, rustls with OS roots (rustls-native-certs) accepted the eMudhra test servers until rustls-webpki 0.103.16. reqwest 0.13 defaults and native-tls rejected them via Apple's revocation.
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Full write-up with the code: importstatic.com/rust/rustls…
Do rustls clients still trust the eMudhra certificates?

Do rustls clients still trust the eMudhra certificates?

On macOS, rustls with OS roots accepted the eMudhra test servers until rustls-webpki 0.103.16. Apple-verified setups rejected them; cargo update fixes the rest.

importstatic.com
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pgxpool defaults to max(4, NumCPU) connections. With 64 goroutines running 5 ms queries, 4 connections gave 608 req/s and 64 gave 8,879. With a CPU-bound query, nothing past 8 helped.
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Full write-up with the code: importstatic.com/databases/p…
pgxpool MaxConns: how to size a pgx pool in Go

pgxpool MaxConns: how to size a pgx pool in Go

pgxpool defaults to max(4, NumCPU) connections. How to tell from pool.Stat() whether that is too small, with measured throughput from 4 to 64 connections.

importstatic.com
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We are using it monitor our site, it is quite impressive
Image from ImportStatic (@ImportStatic)
Pi Ke (@pike0000) profile picturePi Ke
@pike0000Oct 27
I have built lots of websites, apps, browser extensions, I find the most difficult problem is not to build the product but to promote it. To promote and learn how people react to my product, I need to collect data from many different sources like hacker news, reddit, X, bluesky... So I build an service to track my product and put them all together and I then have a consolidated place to know what's going on with it. This ends with an open source project which I think would benefit others. Also you can contrinute to add more sources and give feedback on what can be improved. The service is self-hosted and all you APi keys and AI keys are saved on your machine, so safe to use. The repo: github.com/sonic0002/eaveson…
GitHub - sonic0002/eavesong: Self-hosted product monitor: mentions, reply drafts, competitors and...

GitHub - sonic0002/eavesong: Self-hosted product monitor: mentions, reply drafts, competitors and...

Self-hosted product monitor: mentions, reply drafts, competitors and search insights. Read-only. - sonic0002/eavesong

github.com
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gpt-6.1-terra is $1/$5 per million tokens against $2/$12 for gpt-5.6-terra. Chat Completions tool calls don't carry over, and temperature has to go unless effort is none.
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Full write-up: importstatic.com/ai/gpt-6-1-…
GPT-6.1 Terra migration: prices, parameters, tool calls

GPT-6.1 Terra migration: prices, parameters, tool calls

GPT-6.1 Terra costs less than half of GPT-5.6 Terra per request, but Chat Completions tool calls, minimal effort and temperature need changes first.

importstatic.com
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A Go package that wraps driver errors with %w lets callers match sql.ErrNoRows and *sqlite.Error; after a driver swap those checks compile and return false. Translate at the package boundary.
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Full write-up with the code: importstatic.com/go/go-error…
Go error handling in package APIs: %w, %v and logging

Go error handling in package APIs: %w, %v and logging

Go error handling for package authors: each %w makes the wrapped error part of your API. When to use sentinels, typed errors and %v, and where to log.

importstatic.com
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Fiber v2 decodes Brotli request bodies in c.Body(), and a fresh go get of v2.52.16 still resolves andybalholm/brotli v1.1.0. The port's CVE-2026-111497 fix is in v1.2.7. govulncheck reports nothing.
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Full write-up with the code: importstatic.com/go/brotli-c…
Brotli CVE-2026-111497 in Go and Rust: what is exposed

Brotli CVE-2026-111497 in Go and Rust: what is exposed

CVE-2026-111497 is in Brotli's C decoder. Which Go and Rust stacks link it, which frameworks decode br request bodies by default, and the versions to check.

importstatic.com
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OpenAI's 12-hour prompt cache write costs 2.5x input, so two requests 6 hours apart cost more than with the 30m default. It pays from the third reuse. Set request-wide, a chat cost 68% more.
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Full write-up: importstatic.com/ai/openai-1…
When OpenAI's 12-hour prompt cache write pays for itself

When OpenAI's 12-hour prompt cache write pays for itself

OpenAI prompt caching now has a 12-hour lifetime at 2.5x the input price. It pays from the third reuse, and set request-wide it raised a chat's input cost 68%.

importstatic.com
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date('now','end of month') is new in SQLite 3.54. On 3.53 it returns NULL, no error, so a WHERE built on it matches zero rows. And 'weekday -0' on old builds moves forward a week.
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Full write-up with the code: importstatic.com/databases/s…
Last day of month in SQLite: 'end of month' needs 3.54

Last day of month in SQLite: 'end of month' needs 3.54

SQLite 3.54 added 'end of month' and 'weekday -N'. Older builds, including the Go and Rust drivers we tried, return NULL with no error. The portable forms.

importstatic.com
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Claude Code reads AGENTS.md only if no CLAUDE.md or CLAUDE.local.md exists in your working dir or any parent, ~/CLAUDE.md included. ~/.claude/CLAUDE.md is exempt from that check.
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Full write-up with the code: importstatic.com/ai/agents-m…
AGENTS.md vs CLAUDE.md in Claude Code, Codex and Copilot

AGENTS.md vs CLAUDE.md in Claude Code, Codex and Copilot

AGENTS.md vs CLAUDE.md: Claude Code skips AGENTS.md if any CLAUDE.md sits above your repo. Which files Codex, Copilot, Cursor and Gemini CLI read, in one table.

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