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ProgrammingDEV Community ·

Xiaomi's HyperOS 4 Rolls Out in China With Upgraded AI Features

Xiaomi has begun releasing HyperOS 4 in China, bringing an updated set of AI-driven features to its devices. The Voice Recorder can now turn recordings of meetings or lectures into structured summaries highlighting key points. The Notes app is designed to convert rough, unstructured text into organized to-do lists or polished drafts. Inspiration Ball and HyperIsland add contextual suggestions and a more interactive hub for tracking ongoing tasks. Xiaomi has not announced when, or whether, the update will reach global markets.

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ProgrammingHacker News ·

New York Lawmaker Proposes Bill Requiring Game Ownership Over License Sales

A New York representative has announced a bill that would require consumers to be granted ownership of video games rather than merely licenses to play them. The proposed legislation would also obligate publishers to keep games functional after official support ends. The announcement was reported by Tom's Hardware and drew discussion on Hacker News. The source material provides limited detail beyond the bill's core requirements, so specifics such as timelines or enforcement mechanisms are not yet known.

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ProgrammingDEV Community ·

Go Realtime Channels Should Notify, Not Store, Logistics Device State

A realtime channel should deliver current logistics device events to authorized dashboard clients, but it should not serve as the record of those events. Durable device state belongs in a database or log, with a small notification published afterward so clients know what changed. On reconnect, clients should read from the durable source before resuming the live stream, since a reconnected socket does not prove missed updates were received. Connection tokens should be scoped to tenant, facility, and topic, because browser clients are untrusted even when their users are. The author also recommends separate service targets for durable ingestion and dashboard freshness, and testing the gap between them.

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ProgrammingDEV Community ·

Deribit Gas Audit Finds About $2.5M in Potential Annual Savings

An independent audit examined Deribit's latest Ethereum mainnet deployment and its Optimism L2 contracts to assess gas efficiency. The review found several inefficiencies, including redundant storage operations, inefficient calldata encoding, and loop-based batch processing without early exits. Estimated combined savings across L1 and L2 reach roughly $2.5 million per year at current gas prices. The auditors reported no critical security flaws tied directly to gas usage, though some patterns could be abused to raise user transaction costs. Addressing these issues would also improve performance during periods of high network load.

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ProgrammingDEV Community ·

Checkout failure alerting via polled logs and error APIs, with rollback kept separate

The article describes a checkout failure alerting design that polls logs and an errors API and evaluates the evidence in a shadow decision process before any action. Each checkout carries an operation ID through payment and reservation commit, and a poller normalizes records, saves source cursors, and checks a rolling window. Qualifying decisions produce durable alerts with idempotency keys, while an operator or separate controller verifies current reservation and payment state before any rollback. The author stresses that detection and control must stay separate, and that exception counts should never trigger rollback directly. The evidence contract is kept minimal, excluding guest names, addresses, payment data, and access tokens, and the decision threshold is passed in as a policy argument.

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ProgrammingDEV Community ·

Generating Natural-Sounding Voice Content for E-Learning With Modern TTS

Engaging narration can improve learners' comprehension, retention, and satisfaction, which is pushing e-learning platforms away from static recordings toward AI-generated speech. Modern text-to-speech systems built on deep learning models produce expressive output, and they come in two forms: standard TTS using pre-trained voices, and voice cloning that replicates a specific speaker from a short audio sample. Both are available through REST APIs that can be integrated into course production workflows. The article walks developers through using ElevenLabs' API, covering account setup, secure storage of the API key, and a Python script that converts a lesson title and description into an MP3 file. A Node.js example is also provided for platforms built on that stack.

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ProgrammingDEV Community ·

A screen-time app that adds friction and logs unlocks instead of blocking apps outright

A developer built an iOS screen-time app called ChoiceField after finding that hard blocks and one-tap locks were easy to defeat and simply reset user behavior. Instead, the app keeps every app accessible but adds a small pause, using per-app daily allowances and a pause screen that offers a wait or a set of pre-chosen unlocks. Each unlock is logged and shown back to the user so patterns become visible, and a trusted friend can optionally freeze apps for a set window. The developer reports that after six weeks their late-night screen time dropped from about 50 minutes to around 20, and nightly unlocks fell from 5-6 to 0-1. The app is free to start on iOS 17 and later, and it runs entirely on-device using Apple's built-in Screen Time APIs.

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ProgrammingDEV Community ·

CompTIA A+ Core 2 (220-1202) Puts Security at the Center of the New Exam

CompTIA's 220-1202 has replaced the 220-1102 as the A+ Core 2 exam, with security now the dominant theme. About a third of the test covers the Security domain, and security concepts also appear in the operating system and troubleshooting domains. The exam includes up to 90 multiple-choice and performance-based questions over 90 minutes, with a passing score of 700 out of 900. Its domains are Operating Systems (28%), Security (33%), Software Troubleshooting (24%), and Operational Procedures (15%). The guide stresses that Core 2 is not the easier half of A+ and recommends allocating study time accordingly.

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ProgrammingDEV Community ·

GrowSight: Open-Weight AI Tool Audits Small Business Websites Locally

GrowSight is an AI-powered website auditing tool built for small businesses that cannot afford consultants. It takes a public URL and examines structure, content, calls to action, accessibility signals, and desktop and mobile layouts. The project combines rule-based checks with analysis from the open-weight Gemma 3 4B model, run locally through Ollama. The developer describes it as an early MVP, with ongoing work on scan reliability and recommendation quality, and notes its suggestions are not guaranteed to raise revenue.

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ProgrammingDEV Community ·

Why Mirror Speed Depends on Throughput and Connection Overhead, Not Just Proximity

A developer who runs a local mirror of large open-source Windows tool repositories explains that nearby mirrors are not always fastest. Network saturation and routing can make a distant mirror with a dedicated pipe perform better. Measuring throughput requires avoiding file caching, and single-file tests miss the cost of thousands of small git objects. Each request adds connection setup delay, so concurrent downloads become important. The author describes using aria2 and a parallel download utility to speed up refreshing a large SDK mirror.

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ProgrammingDEV Community ·

Non-ITIL Candidates Can Pass the ITIL 4 Foundation Exam With Focused Preparation

The ITIL 4 Foundation exam has a reputation for being tricky, with some candidates passing easily while experienced IT managers sometimes fail. The article argues that success depends less on intelligence and more on mastering the framework's specific vocabulary and applying its models to scenarios rather than relying on personal experience. The exam consists of 40 closed-book multiple-choice questions in 60 minutes, with a passing score of 26 out of 40. Key areas include the Service Value System, its five elements, the four dimensions of service management, and the seven guiding principles, which candidates should learn to recognize within realistic scenarios.

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ProgrammingDEV Community ·

Warum viele QR-Codes nicht scannen: die vergessene weiße Ruhezone

Ein QR-Code lässt sich oft nicht scannen, obwohl er korrekt aussieht, weil der leere Rand um das Muster fehlt. Diese sogenannte Ruhezone hilft der Kamera, den Code vom Text oder Bildern in der Umgebung zu unterscheiden. Der Standard empfiehlt mindestens vier Module Abstand auf allen Seiten. Typische Fehler sind zu enge Platzierung an Rahmen, unruhige Hintergründe oder zu starkes Verkleinern des Codes. Der Autor rät zu einem freien Rand in Hintergrundfarbe und einem Test auf einem echten Smartphone in Druckgröße; er bietet außerdem einen kostenpflichtigen Generator an, der die Ruhezone automatisch einhält.

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ProgrammingDEV Community ·

Scope-Creep Catcher: Offline Tool to Stop Unbilled Freelance Work

Freelancers and digital agencies often absorb unpaid extra tasks because clients casually request additions that seem small. Scope-Creep Catcher is a private desktop application that runs entirely offline on a user's laptop, so contracts, rates, and emails never reach a third-party cloud. It reviews draft statements of work for missing revision caps, vague deadlines, and risky phrasing, and suggests replacement clauses. During projects, it sorts incoming client requests into included work, billable extras, or items needing clarification, and it generates priced change orders and polite reply emails for billing extra work.

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ProgrammingDEV Community ·

MarkLogic Server Patches 31 Flaws, Several Rated Critical, Enabling Full Database Takeover

Progress has fixed 31 vulnerabilities in MarkLogic Server, with three rated 9.9 and two rated 9.6 on the CVSS v3.1 scale. Affected releases include versions 12.0 through 12.0.3 and 11.0 through 11.3.6, and the fixed versions are 12.1.0 and 11.3.7. Exploitation could allow unauthorized administrative actions, data access or modification, credential exposure, code execution, and service disruption, all without visible warning signs. Older releases such as 10.x are not patched, while Data Cloud customers have already been updated. Organizations are advised to upgrade and review role assignments, remove unnecessary privileges, and rotate credentials for accounts that held elevated rights before patching.

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ProgrammingHacker News ·

Retired Penn professor arrested after blocking an Uber Eats delivery robot

A retired University of Pennsylvania professor was taken into custody for obstructing an Uber Eats delivery robot in Philadelphia. The incident was reported by PhillyVoice, which framed it as a protest against the autonomous machines. The source material available provides limited detail beyond the arrest itself. Further specifics about the charges or the professor's stated motives are not included in the available text.

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ProgrammingHacker News ·

Grant Sanderson of 3Blue1Brown Argues Now Is a Strong Time to Study Math

A video by the math educator Grant Sanderson, who runs the 3Blue1Brown channel, has been shared on Hacker News, where it gathered 15 points. The video, hosted on YouTube, makes the case that the present is an especially favorable moment for people to pursue mathematics. The source material provided is limited to the link and engagement metadata, so the specific arguments made in the video cannot be confirmed from this item alone. The discussion thread on Hacker News had no comments at the time the item was recorded.

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ProgrammingHacker News ·

A Look at Alexey Pajitnov's Games Beyond Tetris

A video titled "Beyond Tetris: The Other Games of Alexey Pajitnov" was shared on Hacker News, where it gained 4 points. The piece is hosted on YouTube and focuses on titles created by Alexey Pajitnov apart from his well-known puzzle game Tetris. The post had no comments at the time it was captured. The source material provided contains only the link and metadata, so the specific games and details discussed in the video are not described here.

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ProgrammingDEV Community ·

Meta-learning method aims to keep aquaculture sensors accurate on low-power solar buoys

The article describes a technique called meta-optimized continual adaptation for water-quality monitoring in fish farms running on low-power autonomous devices. It grew out of a field trip to a tilapia farm, where solar sensor buoys suffered from membrane biofilm drift, algae-driven shifts in turbidity readings, and rapid battery drain. The author argues that aquaculture data is highly non-stationary, labels such as calibrated oxygen readings are scarce, and power budgets are tight, all of which constrain system design. The proposed approach combines meta-learning, continual learning, and edge-efficient inference so that a model can adapt quickly from few examples while retaining critical knowledge, such as detecting genuine low-oxygen events. The piece also notes that the author is still working through unresolved challenges.

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ProgrammingDEV Community ·

Remote developer weekly release rhythm: Monday planning, midweek previews, Friday delivery

The article describes a fixed weekly workflow for working with a remote developer, aimed at making progress visible between calls. Each week begins with a short call to agree on what should go live by Friday, with large tasks split into independently workable pieces. Midweek, the client receives a preview link to test in-progress work and give feedback while changes are still inexpensive. Releases ship on Friday with plain-language notes covering what changed, what to check, and what comes next. The code stays in the client's own repository from the start, and the approach is said to suit ongoing product work rather than one-off fixes or projects lacking a clear goal.

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ProgrammingDEV Community ·

Awas drops AI-proposed scam evidence unless quotes match pages verbatim

A developer built Awas, a tool that checks job ads for recruitment scam signs, for the Nebius Global AI Hackathon. The original plan was to find published reports about each advertised company, but only 8 of 20 known scam cases met the 12-case target. Reports also rarely named the recruiting company, so the author rescoped the verdict to rules quoted from official pages. Web search now only supplies context for families, not inputs to the rules. A code gate keeps model-proposed evidence only when its quote appears word for word in the fetched page, and the author published the failed coverage result.

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