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Tech

A story about how I dug into the PostgreSQL sources to write my own WAL receiver

Article URL: https://medium.com/@mailbox.sq7/a-long-story-about-how-i-dug-into-the-postgresql-source-code-to-write-my-own-wal-receiver-and-what-53fd251d8f25 Comments URL: https://news.ycombinator.com/item?id=47812973 Points: 7 # Comments: 1

Tech

Tesla brings its robotaxi service to Dallas and Houston

Tesla is expanding its robotaxi service to Dallas and Houston, according to a social media post from the company. The post says simply that “Robotaxi is now rolling out in Dallas & Houston 🤠” and includes a 14-second video showing Tesla vehicles driv

Tech

Any Color You Like: NIST Scientists Create 'Any Wavelength' Lasers

Article URL: https://www.nist.gov/news-events/news/2026/04/any-color-you-nist-scientists-create-any-wavelength-lasers-tiny-circuits Comments URL: https://news.ycombinator.com/item?id=47819453 Points: 39 # Comments: 6

Tech

Optimizing Ruby Path Methods

Article URL: https://byroot.github.io/ruby/performance/2026/04/18/faster-paths.html Comments URL: https://news.ycombinator.com/item?id=47819369 Points: 17 # Comments: 7

Tech

College instructor turns to typewriters to curb AI-written work

Article URL: https://sentinelcolorado.com/uncategorized/a-college-instructor-turns-to-typewriters-to-curb-ai-written-work-and-teach-life-lessons/ Comments URL: https://news.ycombinator.com/item?id=47818485 Points: 66 # Comments: 46

Tech

Graphs that explain the state of AI in 2026

Article URL: https://spectrum.ieee.org/state-of-ai-index-2026 Comments URL: https://news.ycombinator.com/item?id=47817581 Points: 55 # Comments: 36

Tech

UpCodes (YC S17) is hiring SDRs to help make construction more productive

Article URL: https://up.codes/careers?utm_source=HN Comments URL: https://news.ycombinator.com/item?id=47817473 Points: 0 # Comments: 0

Tech

PgQue: Zero-Bloat Postgres Queue

Article URL: https://github.com/NikolayS/pgque Comments URL: https://news.ycombinator.com/item?id=47817349 Points: 47 # Comments: 3

Tech

Show HN: AI Subroutines – Run automation scripts inside your browser tab

We built AI Subroutines in rtrvr.ai. Record a browser task once, save it as a callable tool, replay it at: zero token cost, zero LLM inference delay, and zero mistakes. The subroutine itself is a deterministic script composed of discovered network ca

Tech

VC Ron Conway says he has a ‘rare form of cancer’

Conway wrote that he “will be stepping back from some of my usual activities,” but he will “continue to support” founders backed by his firm SV Angel.

Tech

AI chip startup Cerebras files for IPO

In recent months, the company announced an agreement with Amazon Web Services to use Cerebras chips in Amazon data centers, as well as a deal with OpenAI reportedly worth more than $10 billion.

Tech

Young sons of U.S. marshal ride horseback from Oklahoma to New York (2018)

Article URL: https://texascooppower.com/the-astonishing-ride-of-the-abernathy-boys/ Comments URL: https://news.ycombinator.com/item?id=47818704 Points: 21 # Comments: 5

Tech

Thoughts and feelings around Claude Design

Article URL: https://samhenri.gold/blog/20260418-claude-design/ Comments URL: https://news.ycombinator.com/item?id=47818700 Points: 8 # Comments: 1

Tech

Traders placed over $1B in perfectly timed bets on the Iran war

Article URL: https://www.theguardian.com/world/2026/apr/18/iran-war-bets-ethics-concerns Comments URL: https://news.ycombinator.com/item?id=47818305 Points: 57 # Comments: 51

Tech

Headless Everything for Personal AI

Article URL: https://interconnected.org/home/2026/04/18/headless Comments URL: https://news.ycombinator.com/item?id=47817902 Points: 12 # Comments: 2