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ProgrammingHacker News ·

Ubuntu 26.10 'Stonking Stingray' Released

Canonical has released Ubuntu 26.10, codenamed 'Stonking Stingray', according to an announcement posted to the Ubuntu announcement mailing list. The release is the latest in Ubuntu's regular six-month development cycle. The announcement was shared on Hacker News, where it drew modest attention from the developer community. The source material provided contains only the announcement link and discussion metrics, so details about specific features or changes are not included here.

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ProgrammingDEV Community ·

Apple Unveils HomeView, a 7-inch Siri-Powered Smart Home Display

Apple has announced HomeView, a 7-inch smart home display powered by Siri AI, unveiled on October 13, 2026. The device merges smart home controls, personalized experiences, communication tools, and AI assistance into a single interface. It supports voice and touch input, control of compatible accessories, camera feed monitoring, and apps such as FaceTime, messages, calendars, and reminders. HomeView can recognize up to six household members and tailor home screens for each, and it can be placed on a tabletop or mounted on a wall.

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ProgrammingDEV Community ·

KeptTools Offers Free Developer and Image Tools That Run Entirely in the Browser

A developer built KeptTools, a set of free online utilities that process content locally rather than uploading it. The collection includes JSON, JWT, SQL, and encoding tools for developers, plus image tools for conversion, cropping, compression, and background changes. Work is performed by JavaScript on the page, and no account is required. Closing the tab ends the session without storing files for processing on the company's servers. Some features download a small AI model on first use, but the user's photos are not sent to the server.

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ProgrammingDEV Community ·

BidReady AI Aims to Simplify Government Tender Review for Small Businesses

BidReady AI is an AI-assisted tool built to help small businesses and contractors review government tender documents before deciding whether to bid. The tool extracts eligibility conditions, financial criteria, registrations, and certificate requirements while keeping each one linked to its source page for verification. It also compares those requirements against a company's available evidence, runs deterministic financial checks, and generates a structured report flagging possible gaps. The project's creators say it is meant to speed up initial review rather than replace professional judgment or guarantee eligibility. The open-source tool is built with React, TypeScript, and FastAPI and is being presented as a submission for a Hacktoberfest AI challenge.

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ProgrammingDEV Community ·

Testing supabase-js Code In-Process with Vitest and tinbase, No Server Required

Supabase app tests typically either mock supabase-js, which skips real database rules like RLS and constraints, or run against a live backend that needs Docker or a cloud project. This guide proposes a third approach: running a Supabase-compatible backend inside the test process itself. The setup uses tinbase, an alpha open-source backend that runs on PGlite, Postgres compiled to WebAssembly, and it is intended for development and testing rather than production. supabase-js is pointed at the backend through a custom fetch function, so requests reach real Postgres without any ports or network. The example shows a notes table with row-level security and a check constraint, verified by Vitest tests that create authenticated anonymous users and confirm that invalid inserts are rejected.

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ProgrammingDEV Community ·

How BlockingQueue and Channels Work, From Runtime Down to the CPU

This installment of a concurrency programming series explains how blocking queues and channels hand messages between threads. It walks through the layers involved, from Java source and JDK classes like ArrayBlockingQueue and AQS, down through the JVM, OS thread parking, and x86-64 hardware. It describes how put and take operations rely on locks, condition waiting, and wakeup signals to coordinate producers and consumers. The article also explains how atomicity, visibility, and ordering guarantees are supported by atomic instructions, cache coherence, and acquire/release memory semantics. Go channels are presented alongside the Java model as a comparable handoff mechanism.

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ProgrammingDEV Community ·

Debugging Unnecessary React Re-Renders: Finding and Fixing Them with Real Examples

The article explains why React components sometimes re-render unnecessarily, even when they are wrapped in memoization. It emphasizes that a re-render isn't inherently a problem and that the real issue is expensive work triggered for no good reason. Using a dashboard example, it shows how a memoized profile component still re-renders because the parent creates a new object reference on every render. The author recommends confirming the cause with React DevTools' Profiler before applying fixes. The piece warns against adding memoization indiscriminately instead of first measuring where performance is actually lost.

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ProgrammingDEV Community ·

SudokuNova v0.2.1 Adds Native Windows Menus, Shortcuts and Improved MSI Installer

SudokuNova, an open-source offline Sudoku app built with Kotlin and Compose Multiplatform, has released version 0.2.1 on GitHub as a maintenance update. The release adds native Game and Help menus, including keyboard shortcuts such as Ctrl+N for a new puzzle and Ctrl+H for a hint, with Command-key equivalents on macOS. The default window now opens at a more comfortable size and remains resizable. The Windows MSI installer gains per-user installation, directory selection, a Start-menu group and a stable upgrade identifier. Direct MSI upgrades from v0.2.0 are not guaranteed, so the release documentation outlines recommended precautions.

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ProgrammingDEV Community ·

Open-source desktop app manages Android emulators without Android Studio

A developer released Enmulator, a free GPLv3 desktop app for managing Android Virtual Devices on Windows, macOS, and Linux without requiring Android Studio. Built with Tauri 2, a Rust backend, and a React 18 frontend, it supports creating, cloning, and deleting emulators, batch operations, and 66 preloaded device profiles across 16 brands. The app also offers device identity spoofing, including IMEI, operator, and locale settings, using Magisk's resetprop where available, and reports which fields were successfully applied. Additional features include proxy and GPS mocking, live logcat, a file explorer, and a headless REST API for CI or scripting.

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ProgrammingDEV Community ·

Chat History Bloats Context Windows; Microsoft.Extensions.AI Reducers Offer a Fix

Long support chats keep resending system prompts, tool-call noise, and old tangents on every request, which raises costs and can degrade model attention before hitting token limits. Naive approaches like keeping only the last N messages can break tool-using agents by separating function calls from their results, causing provider errors. Microsoft.Extensions.AI 10.10 introduces an experimental IChatReducer interface, a ReducingChatClient wrapper, and a UseChatReducer builder method to trim what the model sees while preserving the full transcript in a session store. The article describes count-based and token-aware reducers, plus a summarizing reducer that compresses older turns, and advises using a cheap model for summaries and keeping the system message intact. The full offline-tested project is promoted as a paid resource on a separate platform.

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ProgrammingDEV Community ·

How to scrape Threads posts without logging in, using Python and JavaScript

A developer explains a method for collecting Threads posts without a Meta login, using a third-party scraper called Threads Scraper on the Apify platform. The author notes that Meta's official Threads API requires a developer app and access token and is oriented toward publishing and managing one's own account. Code examples in Python and JavaScript show how to pull posts from a profile, search by keyword, and fetch replies to a specific post. The guide also describes limits: logged-out search returns roughly 60 to 85 posts per keyword, the "recent" sort is not Threads' own Recent tab, and language detection is approximate. Usage is billed per result on Apify's paid tier, with a free plan that includes a small monthly credit.

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ProgrammingDEV Community ·

Building Secure Cross-Chain Bridges: Key Architecture and Smart Contract Practices

Blockchain interoperability is growing in importance as businesses build applications spanning multiple networks, with users seeking to move assets and access protocols beyond a single ecosystem. Cross-chain bridges connect these networks but introduce security challenges that developers must address from the outset. Reliable bridge development involves more than linking two chains, requiring attention to smart contract security, message verification, validator design, liquidity management, monitoring, and recovery. A guide on the topic outlines the essential steps, security practices, and technical decisions involved, noting that AI-assisted analysis and automated monitoring are also shaping bridge infrastructure in 2026. The article explains that bridges may lock-and-mint, burn-and-mint, or relay messages and contract calls, with each design carrying distinct trust assumptions.

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ProgrammingDEV Community ·

Developer builds Duo-Man, a virtual Walkman app for the foldable iPhone Duo

Developer Vidit Bhargava has created Duo-Man, an app for the foldable iPhone Duo using the new BitRig development environment. The app uses hinge state events to mimic the cassette-door behavior of classic Walkman players. Its features include interface control through APIs for the 7.6-inch internal display, and audio feedback built from real field recordings. It also integrates with Apple Music and local files, and supports Apple Pencil to simulate physically spinning a cassette tape reel.

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ProgrammingDEV Community ·

CSS alpha(): serve davvero o è solo zucchero sintattico?

Il testo analizza tre modi per ottenere una variante trasparente di un colore definito in una custom property CSS. Per anni la soluzione più diffusa è stata scomporre il colore in canali, con il limite di vincolare il formato colore e rendere il codice fragile. Le alternative moderne sono color-mix() con transparent, che miscela il colore verso la trasparenza, e i colori relativi, che ricostruiscono il colore in un'altra funzione impostandone l'alpha. La nuova funzione alpha() svolge esattamente il compito di impostare un'opacità, senza scegliere spazi colore né riscrivere i canali, rendendo il codice più leggibile.

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ProgrammingDEV Community ·

AI, Quantum Computing and Biotech Seen as Key Technologies for the Next Decade

Emerging technologies such as artificial intelligence, quantum computing and biotechnology are increasingly moving from research labs into commercial products. AI is evolving from single-task tools toward agentic systems that can plan steps, use tools and revise their own results toward a goal. Quantum computers exploit superposition and entanglement to tackle specific hard problems like molecular simulation, though qubits remain fragile and error-prone. Biotechnology, now heavily data-driven, depends on bioinformatics, which makes it a valuable skill for computer science students. The article also highlights that all three fields demand large computing power, which cloud infrastructure increasingly provides.

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ProgrammingDEV Community ·

RecallForge: an offline, open-source study workspace with source-linked practice

The developer built RecallForge, a free and open-source tool that helps learners repeat cycles of practice, mistake review and revision. The browser-based viewer works without an account, storing study data locally in the browser and functioning offline once opened. It includes sample packs on investment fundamentals, technical analysis, financial risk and Cell Biology, though these are demonstrations rather than official exam material. Learners can study with immediate feedback or sit timed exams, and can build focused retests from wrong or skipped questions. The article also stresses that browser-local data can be lost when browser data is cleared or devices change, which is why portable encrypted or plain JSON backups are provided.

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ProgrammingDEV Community ·

TierMenu: flat rate pricing software for small HVAC, plumbing and electrical shops

Many small trade shops set prices from memory or outdated spreadsheets, so technicians often quote the same job differently. TierMenu is a flat rate pricing tool built for shops with one to five technicians. Shops enter labor rates and parts costs, then build a price book where each task gets labor hours, parts and an optional fixed fee, with tiered markups available. On site, technicians present up to four options that homeowners can compare, select, extend and sign electronically, with signed PDFs locked afterward. The app also converts approved proposals into invoices, manages membership renewals and reports which options customers choose, while leaving scheduling, payroll and card processing to existing tools.

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ProgrammingDEV Community ·

Why tutorial hell is a calendar math problem, not a discipline problem

A developer argues that people who abandon long online courses are blamed for lacking willpower, when the real issue is poor time arithmetic. Hands-on work typically takes several times longer than the advertised video length, so a 40-hour course can demand around 160 hours. With only about 6 protected hours per week, finishing such a course could take roughly seven months of uninterrupted effort. The author recommends fixing the weekly time budget first, such as committing to about 20 hours over 30 days, and building one small, tangible project within that window.

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ProgrammingDEV Community ·

TestFlight 4.4.0 Adds iOS 27 Support, Landscape Mode and Resizable Mirroring

Apple has released TestFlight version 4.4.0 with updates aimed at developers targeting iOS 27, iPadOS 27, macOS 27, and visionOS. The iPhone version now supports landscape orientation, letting developers test interface layouts beyond portrait mode ahead of the iPhone Duo launch. On macOS 27, the TestFlight window can be resized fully when used through iPhone Mirroring, which benefits developers who rely on macOS for testing. The update also includes general bug fixes and performance improvements for build distribution and beta testing workflows.

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