Developer builds Junction app to auto-switch Mac browsers based on battery state

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A developer created a free macOS utility called Junction after noticing his Zen browser drained battery significantly faster than Safari at coffee shops. The app sits in the menu bar and intercepts every system-wide link click, routing it to a user-specified browser based on customizable rules. Its key feature is power-state awareness, automatically switching to a battery-friendly browser when unplugged and reverting when the charger is connected, with no restart required. Users can also set host- or regex-based rules, such as always opening GitHub links in Chrome, with a keyboard-navigable picker for unmatched links. Junction is available for free, with an optional one-time supporter license for those who wish to contribute.

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Amblyotube Uses Meta Quest VR to Treat Lazy Eye Through YouTube Viewing

Amblyotube is a Meta Quest application designed to treat amblyopia, commonly known as lazy eye, by delivering tailored visual stimuli to each eye while users watch YouTube content. The app uses AI-driven shaders to sharpen input for the weaker eye and reduce dominance of the stronger eye, encouraging the brain to integrate signals from both. Users can adjust settings such as opacity, blur, contrast, and brightness through an in-headset control panel, though accurate configuration is flagged as critical to avoid worsening imbalances. A controlled flicker effect highlights human figures in video content to keep the lazy eye engaged, mimicking therapeutic repetition within everyday entertainment. The project is currently open for developer review, with a public APK available through Seven Sports' developer portal.

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ProgrammingDEV Community ·

Rails Has Quirky Ordinal Methods Up to .forty_two for Array Access

Ruby on Rails includes a set of unconventional helper methods that allow developers to access collection elements by ordinal position. These methods include .second, .third, .fourth, and .fifth, and unusually extend all the way to .forty_two. The inclusion of .forty_two is widely regarded as a nod to the number 42, famously referenced in Douglas Adams' 'The Hitchhiker's Guide to the Galaxy' as the answer to life, the universe, and everything. These convenience methods are part of Rails' ActiveSupport library and serve as readable shortcuts for index-based access. The quirky addition reflects the Rails community's tradition of blending practicality with developer humor.

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ProgrammingDEV Community ·

Developer Builds Ethereum-Like Blockchain From Scratch in C++17 With No External Libraries

Developer Martial Zinsou has released Nstrike version 0.1.0, an open-source MVP implementation of an Ethereum-style blockchain written entirely in modern C++17. The project was built from scratch without any external dependencies such as OpenSSL, Boost, or secp256k1, with all cryptographic primitives implemented manually. Nstrike includes a mini virtual machine, ERC-20 token support, Proof-of-Work consensus, a JSON-RPC 2.0 server, and a command-line wallet interface. The codebase passes a suite of 32 unit and integration tests covering SHA-256, Keccak-256, ECDSA, and 256-bit arithmetic. Published under the MIT licence, the project is compatible with macOS and Linux and is available on GitHub.

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ProgrammingDEV Community ·

ng-prism offers Angular-native Storybook alternative with compiler-driven docs

A developer has released ng-prism, an Angular-native component showcase tool designed as an alternative to Storybook for Angular component libraries. Unlike Storybook, ng-prism uses a single @Showcase decorator placed directly on the component, with the TypeScript Compiler API extracting metadata at build time rather than relying on separate story files or runtime reflection. The tool renders components directly into the document instead of an iframe, avoiding isolation issues with Angular CDK overlays and portal-based elements like MatDialog. Version 22.2 ships with three new features: a visual-regression panel, an Overview contact sheet, and a redesigned UI built around a density scalar. Setup requires one command that integrates ng-prism's builders into an existing angular.json, and a provided transformer strips the decorator from compiled output so end users of published libraries need not install ng-prism.

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