@trekhleb

Author of 190k ★️ javascript-algorithms repository on GitHub. Sr Software Engineer at @UBER. Opinions are my own.

 California, USA
trekhleb.dev
Joined August 2010
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#Javascript #Algorithms repository is over 50K⭐️now. I've launched it as a #technical #interview preparation playground for myself and I wouldn't even dare to think that it would be so warmly embraced by community. I'm shocked and I'm glad. 👉🏻github.com/trekhleb/javascri…
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Added connections between Bible verses through the common yet distinctive Hebrew/Greek original words As in the example below, the word ἐνεργέω (energeō) gives a more vivid understanding of "God's work within those who are born-again" trekhleb.dev/bible-cross-ref… #Bible #study
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Self-parking car, using a genetic algorithm trekhleb.dev/self-parking-ca…
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31,102 #Bible verses inter-connected via 343,557 interactive cross-references trekhleb.dev/bible-cross-ref…
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The "Consensus" mode in Yes-Brainer is insightful. LLMs discuss and change their minds mid-debate. Best third language for a bilingual 8yo? Round 1: Claude: French. GPT + Gemini: Mandarin. Round 2: both flip to French, naming what moved them. yesbrainer.ai/council/912347… #llm #ai
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When a question actually mattered, I'd paste it into Claude, GPT, and Gemini in three tabs and compare. So I turned the ritual into an app. Yes-Brainer: a council of AI models that answer, vote, and debate — in your browser, with your keys, open source. yesbrainer.ai

Yes-Brainer — several AI models, one question

Ask several AI models one question and compare their answers — independently, by anonymized peer vote, or through a multi-round debate. Free and open source, runs in your browser: no account, no...

yesbrainer.ai
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A couple more demo screenshots
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I was a bit apprehensive about using --dangerously-skip-permissions in Claude Code, so I put it in a Docker sandbox over the weekend. Mounts only the current project folder, nothing else. github.com/trekhleb/claude-p… #claude #claudecode #docker
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Data-driven summaries for California cities and counties CaliVibe has collected a decent amount of data, so I was curious to use Claude to generate a summary for each city/county Example for Half Moon Bay: trekhleb.dev/cali-vibe/city/… #california #maps #ai #claude #vibecoding
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...and “the ultimate California contradiction: a place so gorgeous it almost makes you forget you're one medical emergency away from financial ruin” was both “fun” and “not really fun”, since it may not be that far from reality for many people.
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Keeping content like this on a short “leash”, without letting it cross the line, across 700+ cities and counties turned out to be a bit problematic. So, for now, you can check out a more restrained and data-driven version of the descriptions using the link above.
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"To LLM" is the new "To Google"
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California monthly sunshine hours map ☀️ trekhleb.dev/cali-vibe/ #california #data #map #visualization
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Since more metrics have been added to CaliVibe, the next step was adding the ability to compare California cities and counties based on them. Again, 100% of the code was written by Claude. trekhleb.dev/cali-vibe/?comp… #california #map #vibecoding #claude
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Vibe-coded CaliVibe for fun — an interactive map to explore California counties and cities through population, crime stats, temperature patterns, 3D terrain views, etc. ~98% of the code was written by @claudeai with a few sprinkles from @GeminiApp trekhleb.dev/cali-vibe/
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Added BART lines to the map: trekhleb.dev/cali-vibe/?tran… More transportation systems are coming... #california #Transportation #BART #map #vibecoding
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Added SacRT, Gold Runner, MetroLink, SD Trolley, Sprinter, Coaster, Pacific Surfliner, SMART, LA Metro Rail, Muni Metro, VTA, and Capito Corridor #california #transit #map
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The “98% of JS code generated by AI” metric doesn’t mean the project was low effort. It means that 100% of the code was written in English by a human (not 2%)
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