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ProgrammingDEV Community ·

KubeSilicon Lets Developers Run Linux VMs on Apple Silicon Macs via Kubernetes

KubeVirt cannot run on Apple Silicon Macs because it depends on KVM, which macOS lacks. The author, who maintains the private cloud operator VirtFoundry, built KubeSilicon to fill that gap for local development. Users declare a SiliconVM object in a local cluster, and a daemon running on the Mac boots a Linux ARM64 guest using Apple's Virtualization.framework. Pods in the cluster can then reach the VM by IP or DNS name, and the author reports VMs reaching Running in about six seconds once the image is cached. The project is validated only on kind with Docker Desktop and is a separate API from KubeVirt, aimed at laptop use rather than production Linux servers.

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ProgrammingDEV Community ·

12 Free Browser-Based PDF Tools for Developers, No Upload or Sign-Up Needed

A developer who runs DonePDF, a free site offering over 90 PDF utilities, has highlighted a dozen tools suited to developer workflows. Most of these tools run entirely in the browser, so files never leave the user's machine and no account is required. The featured tools cover conversions between PDF and formats such as Markdown, JSON, HTML, and Base64, plus diffing, validation, analysis, sanitizing, and repair. The browser tools rely on open-source libraries including pdf.js, pdf-lib, Fabric.js, and Tesseract.js, while a few heavier tasks still run on the server and are labeled as such. The author invited readers to suggest further PDF tasks they handle manually or by script.

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ProgrammingDEV Community ·

Pairing Cron Triggers with Worker Queues for Long-Running Healthtech Reports

A developer guide describes using a nightly cron job to publish a single idempotent reconciliation request, rather than running long reports directly inside the scheduler. A worker queue consumer then handles the slow report generation, retries, completion tracking, and email delivery. The article explains that standard queues are at-least-once, so consumers must be idempotent, and recommends keeping trigger messages small with a deterministic job key. It notes cron's 900-second execution limit and that missed triggers are not backfilled, making deliberate replay procedures necessary. The piece also includes a TypeScript snippet for discovering a queue capability schema before implementing the publish call.

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ProgrammingDEV Community ·

Building an Event Recommendation Engine with Ahnlich and PostGIS

A developer describes how they built the recommendation system for Eventa, a distributed event ticketing platform for organizers and attendees. The platform runs eight backend services across NestJS and Go, communicating via gRPC, HTTP, Kafka, and RabbitMQ, with each service maintaining its own PostgreSQL database. The article focuses on the Discovery Service, which indexes published events and uses Ahnlich, a vector database for semantic search, to match events with attendee interests. Geographic searches and distance calculations are handled separately using PostGIS, a PostgreSQL extension. The developer explains that the project moved from a local Docker Compose setup to a VPS because their PC could no longer handle the containers.

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ProgrammingDEV Community ·

Guide Outlines Criteria for Choosing an AI Text-to-Speech Voice

A developer guide explains that the voice is the first point of contact for users in voice-enabled products such as navigation apps, e-learning platforms, and chatbots. It notes that modern neural text-to-speech models can closely mimic human prosody and accents, but the number of options can be overwhelming. The article recommends first defining the voice persona, covering tone, accent, language, and expressiveness. It then compares providers including ElevenLabs, Google Cloud, Amazon Polly, and Microsoft Azure on naturalness, cost, and integration, and highlights voice cloning and licensing terms as further considerations.

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ProgrammingDEV Community ·

Blueprint Outlines Modular Micro-SaaS Stack Using FlutterFlow, Supabase and Celery

A DEV Community article presents an implementation blueprint for a micro-SaaS built with FlutterFlow on the client, Supabase for authentication and PostgreSQL, and Celery for background jobs. A server-side API sits between the client and privileged job creation, validating ownership, quotas, and idempotency keys before committing a job and outbox event in one database transaction. A dispatcher then publishes events to a broker, where Celery workers execute tasks and store results for the client to read with authorized access. The author stresses that the design is not a measured throughput benchmark, since capacity depends on workload, connections, broker setup, and worker concurrency. The included database migration has not been run and must be validated in staging, and the article discloses AI assistance and related products from its publisher.

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ProgrammingDEV Community ·

How to Spot Phishing Messages Before You Click on Them

Phishing messages are a common way attackers compromise accounts, usually by tricking people into clicking links or entering passwords on fake pages rather than through technical hacking. Warning signs include sender addresses that differ from the displayed name, misspelled or lookalike domains, and urgent demands such as account closures or failed payments. Requests for passwords, one-time codes, card numbers, or remote device access are strong indicators of fraud, since legitimate banks and major services generally do not ask for them via message. Experts recommend previewing links before opening them, navigating directly to official sites, and enabling two-factor authentication so a stolen password alone is insufficient. If a phishing attempt succeeds, changing the affected password, ending other sessions, and contacting the bank when financial data is involved are advised, along with reporting the message to the impersonated service.

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ProgrammingDEV Community ·

Tool Lets One Laptop Keep Multiple GitHub Accounts From Impersonating Each Other

A developer describes how Git and the gh CLI assume a single identity per machine, causing commits authored under the wrong email, pushes made through an unintended account, and confusing permission errors. The problem spans four layers: commit author settings, SSH key selection, the gh CLI's single active account, and HTTPS credential storage. The article notes that common workarounds such as SSH host aliases fix only one layer and leave others broken. It introduces ghidmgt, a tool designed to keep several already-authorized accounts on the same machine separate. The author also cautions that whether a device may legitimately hold a given account is a matter for contracts and employer policy rather than configuration.

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ProgrammingHacker News ·

Sony Discontinues Its Last Standalone 4K Blu-ray Player in Japan

Sony has reportedly ended sales of its final standalone 4K Blu-ray player in Japan. With that model gone, the PlayStation 5 remains the only 4K Blu-ray option Sony offers there. The move reflects the continued decline of dedicated disc players as streaming gains ground. The source article on TechPowerUp covers the discontinuation, while the available text provides few additional details.

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ProgrammingDEV Community ·

Sloth Notes: an open-source, on-device AI tool that condenses meeting notes

Sloth Notes is a small open-source web app that turns rough English meeting notes into a short, source-linked digest and a list of suggested follow-up actions. Users paste their notes, choose a highlight count, and a compact open embedding model, MiniLM, runs in the browser to pick the most representative sentences. Each highlight links back to its original sentence so readers can verify what was kept or dropped. In one demonstration on a synthetic study-group recap, text shrank from 127 to 59 words in roughly half a second, though the creator stresses this is not a broad benchmark. The project, released under the MIT license with no build step or API key, runs locally and does not send notes to a server, though the model files are downloaded on first use.

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ProgrammingDEV Community ·

Open EvidenceKit Lite: A Local Tool for First-Pass Citation Checking

A developer built Open EvidenceKit Lite, a local tool that takes an English claim and up to five synthetic evidence records and prepares a consistent first-pass review. The tool checks references, applies supplied time and source constraints, and uses an open-weight natural language inference model to suggest how each piece of evidence relates to the claim. Its reports combine source IDs, model scores, rule checks and review reasons, though the developer stresses that humans must still inspect the evidence and no time savings have been measured. The model's scores are uncalibrated and the tool does not authenticate sources or reliably extract dates, with missing references halting inference and conflicting evidence routed to human review. Testing on a wider candidate set showed weaker results, including a false support judgment on a quoted payment claim, and the developer chose to retain these failures in the public record. The project is MIT licensed and released on GitHub, with model weights downloaded separately.

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ProgrammingHacker News ·

OpenAI Describes Security Measures for Its Frontier Model Training Environment

OpenAI has published a post detailing how it secures the environment used to train its frontier AI models. The company frames the piece as an overview of its protective approach to this infrastructure. The item surfaced on Hacker News, where it drew 13 points and 4 comments. The source material provided is limited to the link and discussion metadata, so specific technical measures cannot be verified from this text alone.

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ProgrammingHacker News ·

Corgi: a terminal multiplexer for managing AI coding agents with activity feeds

A developer has released Corgi, an open-source terminal multiplexer for running AI coding agents, inspired by the Herdr project. It shows what each agent is doing through a running activity feed and lets users jump to the next unread agent with F1. A unified launcher supports Codex, Claude Code, and Pi, with fast session search, resume, and inline usage tracking. Terminal quality-of-life features include click-to-copy links, image pasting over SSH, image thumbnails, and per-workspace CPU, memory, and GPU monitoring. The author is seeking feedback on the tool, which has been used by a few friends for several weeks.

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ProgrammingHacker News ·

Rune 1.3 Adds TypeScript Support, Helix Editor Integration, Kitty Graphics and OSC-7501

Rune has released version 1.3, introducing several new features. The update adds TypeScript support along with integration for the Helix editor. It also brings support for Kitty graphics and the OSC-7501 protocol. The information available comes from a Hacker News post that links to the official release blog, and the discussion there has so far drawn little attention.

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ProgrammingHacker News ·

Blogger Argues Modern Life Mirrors a Obscure 1970 Sci-Fi Film

A blog post on thanksforthatjim.bearblog.dev claims that contemporary society resembles the plot of an obscure 1970 science fiction film. The piece was shared on Hacker News, where it gathered 39 points and 9 comments. The article URL and discussion thread offer the full argument and reader reactions. The provided material does not name the film or detail the specific parallels the author draws.

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ProgrammingHacker News ·

Block Unveils Dessa, a Full-Duplex Speech Model Aimed at Natural Conversation

Block has introduced Dessa, a speech model it describes as a full-duplex system, meaning it can listen and speak at the same time. The model was highlighted on Hacker News, where the post drew 19 points and 2 comments. Based on the available material, the company positions Dessa as a highly authentic approach to speech interaction. The source provided only a link and engagement metrics, so specific technical details, benchmarks, and availability are not confirmed here.

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ProgrammingDEV Community ·

Google Play Billing: Confirming Purchases Are Acknowledged, Not Just Unlocked

A purchase in an Android app can appear complete on screen while Google Play never receives confirmation that it was processed. For a completed purchase, the app must verify it, grant access, and acknowledge it to Play, since unacknowledged eligible purchases can be automatically refunded and entitlements revoked. Consumables are fulfilled through consumption, and pending purchases should not unlock access until they reach the PURCHASED state. Developers are advised to test with a license tester and a Play test payment method, checking both that the buyer gets the right access and that Play shows the purchase as acknowledged. Because test refund timing is accelerated, it should not be treated as the production deadline.

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ProgrammingDEV Community ·

Oracle's October patch update fixes 1,295 flaws, six rated maximum severity

Oracle released its October 2026 Critical Patch Update on 20 October, addressing 1,295 vulnerabilities across its product lines. Six of these carry the top CVSS v3.1 score of 10.0 and can be exploited remotely without authentication. One flaw in E-Business Suite's Workflow Notification Mailer, versions 12.2.3 to 12.2.15, lets an unauthenticated attacker take over Workflow and possibly affect other products. The guidance stresses that WebLogic's T3 and IIOP protocols, which are often poorly monitored and loosely firewalled, are a common path to exposure. Administrators are advised to patch internet-facing and T3-exposed systems first and to restrict T3 and IIOP traffic at the network layer.

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ProgrammingHacker News ·

Florida Officer Accused of Impersonating Dead Man for Years and Renovating His Home

A Florida law enforcement officer reportedly discovered the body of a man and then assumed his identity for several years. According to the report, the officer moved into the dead man's home and carried out renovations there. The source material provided is limited to a link and discussion metadata, so the specific details, timeline, and legal developments could not be independently verified. Further reporting from the original outlet would be needed to confirm the full circumstances of the case.

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ProgrammingDEV Community ·

LazyFlow AI Turns Scattered Notes Into Tasks Using a Local Open-Weight Model

A developer has built LazyFlow AI, a productivity assistant that converts messy notes, ideas, and reminders into organized, actionable tasks. The tool summarizes notes, extracts tasks, and assigns priorities, with results viewable in a task manager. It runs locally through Ollama using the open-weight Qwen2.5 3B model, so it does not depend on a paid, closed AI API. The project uses a React and TypeScript frontend, a Python FastAPI backend, and SQLite storage, and is shared on GitHub. The developer says local inference also offers a path toward keeping personal note content on the user's own machine.

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