Platform Lets Developers Learn by Rebuilding Redis, Git, and Databases from Scratch

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A new learning platform called Ship That Code has been shared on Hacker News, offering developers a hands-on approach to understanding core technologies. The platform teaches programming concepts by guiding users through rebuilding well-known tools such as Redis, Git, and databases from the ground up. The post was submitted under the 'Show HN' tag, which is used for creators showcasing their own projects to the community. It received 9 points and 5 comments at the time of submission, indicating early-stage community interest.

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Leaded Gasoline Was Recognized as Toxic From the Moment It Was Created

A Smithsonian Magazine article revisiting the history of leaded gasoline highlights that its dangers were understood even at the time of its invention. Despite this early awareness, the fuel additive tetraethyl lead was widely adopted and used for decades in vehicles worldwide. The decision to proceed with leaded gas prioritized industrial and commercial interests over known public health risks. The article underscores how scientific evidence of harm was suppressed or ignored by those who stood to profit from the product.

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ProgrammingHacker News ·

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ProgrammingDEV Community ·

Cordless v0.6 Launches CLI-First Terminal Dashboard with QR Pairing and Self-Contained Binary

Cordless, a tool for managing remote terminal and coding-agent sessions on mobile, has released version 0.6 with a redesigned CLI-first approach. Running the app now opens a full-screen terminal dashboard that immediately displays a pairing QR code, eliminating the need to run a separate pairing command. The update ships as a single self-contained binary bundling its own Node.js runtime and node-pty, removing any prior installation requirements. Security has also been tightened, with pairing codes now issued exclusively through an authenticated WebSocket call restricted to loopback connections, making remote device enrollment impossible. The persistent daemon architecture ensures that closing the dashboard never interrupts active sessions or phone connections.

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ProgrammingDEV Community ·

Common jq Pitfalls in Shell Scripts and How to Handle Them

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