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gkoos

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  4. Show HN: Fetch Reliability Arena – Compare HTTP clients under chaos (fetch-kit.github.io)

    Live benchmark comparing fetch, axios, ky, and ffetch side-by-side with configurable latency, failures, and rate limiting. No setup needed. Run chaos scenarios and see real-time reliability metrics.

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  8. Show HN: Ffetch v5 – TypeScript-first fetch client (npmjs.com)

    ffetch v5 is out ffetch is a TypeScript-first fetch client focused on production reliability. Core functionality includes: - timeouts (global and per-request) - retries with exponential backoff + jitter - lifecycle…

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  9. Show HN: A novel pattern for handling in-flight requests in distributed caches (infoq.com)
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  11. Modern JavaScript Concurrency – 2025 Edition (blog.gaborkoos.com)
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  15. Show HN: Chaos-fetch – TS library for simulating network chaos in fetch requests (github.com)

    A TypeScript/ESM library for injecting latency, failures, and other network chaos into fetch requests. It supports flexible middleware and can be combined with chaos-proxy for advanced testing scenarios. npm:…

    3 points 0
  16. Chaos Proxy – Simulate API failures, latency, and rate limits for testing

    I made Chaos Proxy, a tool to inject chaos into API requests for testing and development. You can simulate latency, random failures, dropped connections, and rate limits using a simple YAML config or code. Great for…

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  18. Show HN: Browser extensions for my privacy-first temporary email service

    I previously shared a simple disposable email tool focused on privacy (no tracking, no signup). https://nullmail.cc Now I've released extensions for Chrome and Firefox to make it easier to use: - Generate a new address…

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  19. Ffetch 2.0 – fetch() wrapper with timeouts, retries, circuit breaker (npmjs.com)
    1 points 1
  20. Mermaid Diagram Editor/Renderer (mermaid-editor.online)
    4 points 1
  21. Go Channels: A Runtime Internals Deep Dive (blog.gaborkoos.com)
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  22. Privacy-first temporary email service (nullmail.cc)
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  24. Show HN: A Privacy-First Temp Email Service (nullmail.cc)

    Hey all, as a little weekend project I built a privacy-focused temporary email service: https://nullmail.cc - No sign-up or personal info required. - Instant, disposable, ephemeral mailboxes. - Deletes all data on…

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  25. A lightweight, production-ready drop-in replacement for native fetch (npmjs.com)
    2 points 1