OpenJev

Article URL: https://openjev.com/ Comments URL: https://news.ycombinator.com/item?id=49752041 Points: 30 # Comments: 6

Audioproxy Gem Enables On-Demand Audio Transcoding in Rails Without Background Jobs

A Ruby gem called Audioproxy allows Rails developers to generate signed, cached audio preview URLs directly from Active Storage attachments without needing a job queue. The tool encodes format options, bitrate, and source URI into a signed URL path, with the first page load triggering transcoding and all subsequent requests served from a variant cache. It supports a range of processing options including trimming, fading, normalization, and expiry, all baked into the signed URL. Waveform peak data can also be generated as a format type, ensuring the visual waveform always matches the processed audio variant. The gem raises descriptive errors for unattached files or unknown options, reducing the risk of silent failures in production.

Bill Gates Deepens Stake in US Waste Giant Republic Services via Cascade Investment

Bill Gates has significantly expanded his investment in Republic Services, one of the largest waste management companies in the United States. His private investment vehicle, Cascade Investment, recently purchased over three million additional shares in the firm. The expanded holding now accounts for more than 38% of Republic Services' outstanding common stock. This sizeable position could yield Gates hundreds of millions of dollars annually in dividend income. Republic Services operates nationwide, providing waste collection and recycling solutions across the country.

Muslim Artist, 85, Carves Hindu Gods on Living Trees in Viral Social Media Sensation

Ishtiaq Ali, an 85-year-old Muslim artist, has gained widespread attention on social media for carving Hindu deities, including Lord Ganesha, directly onto living trees without harming them. Ali spent much of his life working daily wage jobs before discovering his calling in this unique form of art. His craft reflects a deep understanding of Hindu iconography, including symbolic details such as the direction of Ganesha's trunk and the significance of carving the eyes last. The artist's work has been widely shared online, drawing admiration for both his skill and his cross-cultural devotion to the art form.

Is Will registration mandatory? No, but witnesses are

Top Olympic official wants even bigger Asian Games

NC Girl, 12, Repairs 114 Stuffed Animals for Kids Displaced by Home Fires

A 12-year-old girl from North Carolina launched a personal initiative to help children who lost their homes in fires. She sourced discarded stuffed animals from local thrift stores, then cleaned and restored each one. In total, she repaired and donated 114 toys to affected children. The project provided emotional comfort to displaced kids while also promoting the value of recycling and reusing toys.

World Signal

Discussion | Link

Developer traces HP laptop mute LED bug from Reddit hack to upstream kernel fix

A software developer discovered that the mute LED on their HP Omen 16-wd0xxx laptop failed to illuminate under Linux, despite audio muting correctly and the LED working normally on Windows. Initial investigation using evtest and /sys/class/leds/ ruled out hardware failure and pointed to a missing driver-level signal. A Reddit workaround involving direct hex writes to Realtek ALC245 codec registers resolved the symptom, but the developer found the approach unsatisfying for a problem likely already solved upstream. By cross-referencing the laptop's PCI subsystem ID against entries in the kernel's alc269.c quirk table, they identified and verified the correct fixup — ALC245_FIXUP_HP_MUTE_LED_V1_COEFBIT — through manual codec register testing. The fix was subsequently merged upstream and later proved useful in diagnosing the identical bug on a different user's laptop.

Sister killed while pregnant, brother waits months – then hacks her husband to death

How Diffusion Models Turn Noise Back Into Data Using Reverse Learning

Diffusion models generate data by first defining a forward process that gradually corrupts real samples with Gaussian noise over many steps until only pure noise remains. This stepwise corruption simplifies the complex original data distribution into a manageable Gaussian endpoint, making it easier to work with mathematically. The model then learns a reverse diffusion process, training probabilistic transitions that move from noisy states back toward clean, structured data. During generation, the model starts from random Gaussian noise and repeatedly applies these learned reverse steps to produce realistic outputs. The key distinction is that while the forward corruption process is mathematically defined, the reverse generative process must be learned entirely from data.

Wontopos Offers Long-Term Memory API for AI Agents With No LLM Data Exposure

Wontopos is a company building WOS, a memory API designed to give AI agents persistent, long-term memory by storing user data and recalling only relevant entries per query. Developers can integrate it via SDK for custom control, or use an MCP connector with zero code for tools like Claude, Cursor, and Gemini CLI. A key design principle is cost stability: retrieval returns a fixed, bounded set regardless of how large the memory store grows over time. The system never runs an LLM over stored memories, and supports multilingual storage and querying without language restrictions. Four model variants are currently live — two Tablet and two Scroll versions — with a fifth, Book, still in development.

St Stephen's Student Kills 3 Labourers After Ramming Car on Dwarka Expressway

Three labourers were killed on Dwarka Expressway in Delhi in the early hours of Thursday after a speeding car ploughed into them. The driver of the vehicle has been identified as a student of St Stephen's College. The incident occurred when the workers were present on or near the expressway, likely engaged in some form of labour activity. Authorities have taken cognisance of the case and the accused is believed to have been apprehended following the fatal crash.

Eight Air India Express Crew Suspended Over Delayed Breathalyser Tests in Amritsar

Air India Express has suspended eight crew members, including four pilots, following violations related to breathalyser testing protocols. The incident occurred after a flight landed in Amritsar, where crew are required by regulation to complete a mandatory post-flight declaration within two hours of landing. The suspended staff allegedly failed to comply with this two-hour breathalyser testing window. Aviation safety regulations mandate such checks to ensure crew members are not under the influence of alcohol after operating flights.

Scientists discover first new living cat species in more than a century

Why Offline-First Architecture Should Be a Design Decision, Not an Afterthought

A developer building Aafiyat, a clinic management system, argues that offline-first architecture should be planned from the start rather than bolted on later. Unlike online-first apps that cache data and wait for reconnection, offline-first apps write data locally first and sync with the cloud only when connectivity is restored. Aafiyat uses Electron and SQLite to store patient records, prescriptions, and billing data locally, queuing changes for synchronization with Supabase once the network returns. The developer is applying the same principle to Nankana Home Care, a PWA for medical assistants using IndexedDB for local storage. While acknowledging challenges like conflict resolution and partial sync failures, the author contends that apps serving clinics, field workers, or areas with unreliable connectivity cannot afford to treat offline use as an edge case.

Understanding LINQ Deferred Execution: Why Your Query Runs Later Than You Think

LINQ queries in C# do not execute at the point of declaration; instead, they store a recipe for retrieval that only runs when iterated via methods like foreach, ToList(), or Count(). Because queries evaluate against the live data source each time they are enumerated, modifying the underlying collection between enumerations will affect the results. This behavior can cause serious performance issues, such as triggering multiple database calls from a single query variable used in different places. Developers can avoid redundant executions by materializing results early using ToList(), ToArray(), or ToDictionary(), which store a fixed snapshot in memory. Deferred execution is a deliberate design rooted in functional programming's lazy evaluation concept, introduced to C# when LINQ launched in 2007, and it offers real benefits when composing dynamic queries before a single database call is made.

Student Opens Fire at Philippines School, Kills 2 Classmates Before Shooting Himself

A student at a school in the Philippines shot two of his classmates before turning the gun on himself. The incident occurred on a Friday, though the specific location within the Philippines was not detailed. The shooting has drawn attention to a pattern of school gun violence in Southeast Asia. It follows a high-profile incident in Thailand in August, where a student carried out a shooting rampage at a school on the outskirts of Bangkok.

CISA gives federal agencies 3 days to patch two critical Cisco zero-days under active exploit

CISA added two critical Cisco vulnerabilities to its Known Exploited Vulnerabilities catalog within the same week in September, setting patch deadlines of just three days for U.S. federal agencies. The first flaw, CVE-2026-76461, is a root-level remote code execution bug in Cisco Secure Email Gateway triggered by a malicious email requiring no authentication or user interaction. The second, CVE-2026-76460, is an authentication bypass in Cisco Identity Services Engine with a perfect CVSS score of 10.0, affecting the system that controls network access permissions. Both vulnerabilities were already being actively exploited in the wild at the time CISA issued its advisories. Security experts warn that patching alone is insufficient, as attackers may have already planted persistent backdoors on compromised systems before patches are applied.

Why AI Agent Retry Logic Is Really an Event-Driven Architecture Problem

Synchronous call chains in multi-service backends appear reliable during demos but break down under real production load, as tail latency compounds across each service hop. When one downstream service slows or fails, the entire chain stalls — even services that completed their work correctly are blocked. Introducing a message queue decouples services so each can process events independently, preventing one slow component from backpressuring the rest. However, queues introduce their own challenges: at-least-once delivery semantics, duplicate messages, ordering guarantees, and poison message handling. The author argues these same distributed-systems problems resurface in AI agent pipelines that execute sequential tool calls, making retry logic a queueing problem in disguise.