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ProgrammingHacker News ·

Researchers Detail QPACK Amplification Attacks Targeting HTTP/3 Servers

A blog post from Foxio describes amplification attacks that exploit QPACK, the header compression scheme used by HTTP/3. The attacks abuse header accordion behavior to force servers into disproportionate resource use. The write-up was shared on Hacker News, where it gathered modest attention. The source material provided is limited to the article link and basic discussion metrics, so the specific technical details and scale of impact are not covered here.

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ProgrammingHacker News ·

Oracle Issues Security Alert Advisory for CVE-2026-91403

Oracle has published a security alert advisory for the vulnerability identified as CVE-2026-91403. The advisory is hosted on Oracle's official security alerts page. The source article provides only the advisory link and a small Hacker News discussion thread with 12 points and 2 comments. Specific technical details about the affected products and severity are not included in the available text. Readers are directed to Oracle's advisory for full information.

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ProgrammingHacker News ·

Railway Discloses Security Issue, Details Available in Company Blog Post

Railway, a cloud deployment platform, has published a security disclosure on its blog dated Wednesday, October 21st. The post was shared on Hacker News, where it gathered 63 points and 14 comments. The available source material contains only the link and discussion metadata, so the specific nature of the vulnerability, its impact, and any remediation steps cannot be confirmed here. Readers are directed to the original blog post for full technical details.

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ProgrammingDEV Community ·

Nuclei: 20 Commands for Template-Driven Vulnerability Scanning

Nuclei, an open-source template-based vulnerability scanner from ProjectDiscovery, uses YAML templates to define detection signatures instead of custom scripts. The community-maintained repository offers over 11,000 templates, including coverage for 1,496 known exploited vulnerabilities. A guide outlines twenty practical commands explaining what each does and when to apply it during a security assessment. Examples cover scanning single or multiple targets, filtering by severity, selecting or excluding tags and templates, and limiting request rates. The approach aims to help security professionals move from broad discovery to targeted exploitation checks.

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ProgrammingDEV Community ·

Eventbrite, Meetup and Luma Events Now Available Through One Scraper

Eventbrite closed its public event search endpoint in 2020, Meetup now requires an OAuth app for its GraphQL API, and Luma offers no public search API, leaving developers to combine three separate sources. The author presents an Apify-hosted scraper that gathers listings from all three platforms without requiring API keys or logins. Each event is returned in a consistent format with fields such as title, dates, venue, pricing and organizer details, with unpublished fields left null. The tool can be run through a web interface or code, and the author suggests uses like building a weekly AI-written events newsletter, generating organizer lead lists and conducting market research. The author discloses that they built the scraper and that usage is billed per event saved.

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ProgrammingDEV Community ·

slothd: A Local, Offline AI Daemon That Quietly Tidies Messy Workspaces

A developer built slothd, an open-source AI file organizer that runs locally and stays offline-capable, to clean cluttered folders without uploading private files to the cloud. The daemon detects when the user is idle using native OS input APIs and only then scans and sorts files. It uses a two-stage approach, first triaging file metadata with lightweight models and then invoking Gemma 3 through Ollama to read PDFs and images. Every operation is a dry run by default and is logged to an SQLite manifest, so any change can be reverted with a single undo command. The project was submitted to the Hacktoberfest Open-Source AI Challenge.

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ProgrammingDEV Community ·

Study Competitor App Reviews to Find Weak Spots, Using AI to Sort Complaints

The article describes a method for product research by exporting low-star App Store and Google Play reviews of existing apps into a single file. It explains how to use a scraper tool on Apify, which the author built, to gather reviews from both stores with consistent fields. Filtering to ratings of three or below and sorting by helpfulness votes narrows the data to a manageable set. The author then suggests feeding this file to an AI model to group complaints into themes, rank them, and surface feature requests. The piece notes store limits, such as Apple sharing only the latest 500 reviews per country and sort order.

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ProgrammingDEV Community ·

AI agent experiment reports first non-zero figure: 20 article views, still no revenue

A three-day experiment running three AI-agent ventures from zero reports its first non-zero metric, though revenue remains at $0.00. The only audience gained so far is 20 views on the day-two article, all from dev.to's organic feed, with no community members yet. Crypto-related bait posts drew a few likes and followers, but the authors deliberately exclude these engagement signals from their count. The team launched a public ledger site listing every number with its source, and noted that a social-links field on Whop only supports seven networks. They concluded that dev.to is currently the only channel producing reach, and plan to focus on comments on articles people are reading.

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ProgrammingDEV Community ·

Dark Forum Monitoring Offers Early Warning of Corporate Credential Leaks

Stolen data often circulates on dark web forums for a period before a victim organization discloses a breach. These marketplaces trade database dumps, infostealer logs from tools such as RedLine, Lumma, and Raccoon, and large combolists. When a company's domain appears in a new dump or stealer-log feed, it can signal that its credentials are compromised and may be prepared for use against VPNs, email, or SaaS platforms. The article argues that defenders can use this gap to reset exposed credentials and harden systems before credential-stuffing attacks begin. It presents responsible monitoring of these sources as a practical early-warning approach.

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ProgrammingDEV Community ·

Study Finds Small Language Models Fail Eligibility Thresholds for Agent Microtasks

A paper on arXiv (2610.00025) examines whether small language models can handle narrow, high-frequency microtasks in agent harnesses, such as auto-approving shell commands, selecting tools, and managing memory. Testing Qwen3 models from 0.6B to 8B and Llama-3.x found that none of the 16 configurations met the confidence-anchored threshold (TAU = 0.95) set by a non-LLM baseline. Quantization to 4-bit precision did not change the outcome, and the gap appeared to scale with model size rather than numerical precision. The authors recommend placing a baseline that meets the threshold in front of small models and invoking them only when that baseline fails. An accompanying open-source, AGPL-3.0-licensed harness implements this fail-closed approach and reports 0 of 16 malicious inputs passing the benchmark.

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ProgrammingDEV Community ·

Separate Input, Retrieval, and Concurrency Limits for E-commerce Product Search

A single query limit is too blunt for product search, since long pasted messages, broad retrieval requests, and bursts of small searches each strain different parts of the system. The article recommends setting separate admission limits on input size, candidate breadth, and concurrent work, then rejecting or degrading requests before they consume the latency budget. It warns that reducing query length or candidate counts can silently drop decisive details, so teams should track a labeled query set alongside latency metrics. Capacity reviews should examine latency distributions and the heaviest accepted request class, especially after catalog imports change document size. Rejections should return stable, documented responses with reason-labeled metrics, so clients can tell invalid input apart from temporary capacity limits.

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ProgrammingDEV Community ·

DuckDB 2.0's CLI agent mode cuts output size for coding agents, but not always

DuckDB 2.0.0 "Cinnamon Teal" was released as a long-term support version, supported until at least October 2027. Its CLI includes an agent mode that activates when an AI agent's environment variable is set and stdout is not a terminal, printing compact Markdown tables, JSON errors, and a result footer. A tester comparing seven common queries found agent mode about 56% smaller in total than the standard box format, though it was larger than plain JSON for big results and produced bigger error messages. The footer's hash also let the tester confirm that the result was the same across different row orderings. The author noted that output size is a small share of an agent's total token usage, so the benefits may come from other factors.

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ProgrammingDEV Community ·

Windows Printer Showing Offline? Ten Fixes to Try

Many users encounter a 'Printer Offline' error in Windows even when the device is powered on and cabled correctly. The problem is common and often stems from simple causes such as a dropped Wi-Fi link, a stalled print job, or Windows targeting the wrong printer. The article outlines ten practical remedies applicable to both USB and wireless printers. Suggested steps include confirming the physical connection, restarting both the printer and the computer, and checking which printer Windows is actually using. Users are advised to test changes one at a time to identify which fix resolves the issue.

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ProgrammingDEV Community ·

Automating Daily Google Trends Data Into Google Sheets Without pytrends

The pytrends library, long used for pulling Google Trends data, was archived in April 2025 and frequently triggers 429 rate-limit errors. This guide describes a no-code approach that refreshes a Google Sheet every morning with interest-over-time scores, rising related queries and a country's trending searches. It uses the Google Trends Scraper on Apify, which the author built and which handles retries and IP rotation, and it can be scheduled and connected to Google Sheets. The article also offers a Python version using the apify-client package for readers who prefer code. The free Apify plan's $5 monthly credit is said to be enough to complete the tutorial.

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ProgrammingDEV Community ·

Sloth Coach uses an in-browser Gemma model to explain exam mistakes for Japan's construction visa test

A developer who runs a study site for foreign workers preparing for Japan's Specified Skilled Worker construction exam built Sloth Coach, a tool that explains missed questions. When a user answers incorrectly, a small Gemma model running locally in the browser gives a short explanation in the learner's language, including Chinese, English, Vietnamese, Indonesian, or simplified Japanese. At the end of each session, the tool produces a review list for the next day based on past mistakes. The project runs entirely client-side with WebLLM and WebGPU, requiring no server, API key, or account, and stores results in local browser storage. It was submitted to the DEV Hacktoberfest Open-Source AI Challenge.

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ProgrammingHacker News ·

AWS rates PHP remote code execution flaw Important, Amazon Linux 2023 patch may take 20 days

AWS has classified a PHP remote code execution vulnerability as Important severity for Amazon Linux 2023. According to a GitHub issue on the Amazon Linux repository, the resulting patch could take up to 20 days to ship. The item was posted on Hacker News, where it gathered 31 points and 7 comments. The source material provides no further technical details about the flaw itself.

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ProgrammingHacker News ·

CleanFrame Offers a Quieter Home Screen for Samsung The Frame TVs

A new open-source project called CleanFrame has been shared on GitHub, aiming to give Samsung's The Frame television a quieter home screen. The tool is presented as a way to reduce on-screen clutter when the TV is in its art-display mode. The project was posted to Hacker News, where it gained a few points but has not yet drawn any comments. The available information is limited to the project's GitHub page and discussion thread, so details about its features and setup are not fully described here.

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ProgrammingDEV Community ·

Building a Lock-Free, Zero-Allocation Audio Engine in Modern C++ Without JUCE

The author describes writing a pull-based audio engine and multi-format plugin host from scratch in C++20 for infinite, an open-source modular workstation, rather than using the widely adopted JUCE framework. At 48kHz with a 128-sample buffer, the audio callback has about 2.66 milliseconds to finish before underflow causes audible clicks. To meet hard real-time requirements, the design pre-allocates all memory during preparation, avoids mutexes in favor of atomics and lock-free ring buffers, and lays out audio data for SIMD-friendly, cache-efficient processing. The engine talks directly to VST3 and Audio Unit APIs, enabling real-time modulation of third-party plugin parameters from signals within the app. The project also includes FIELD, an embedded DSP language that compiles user-written filters into optimized per-sample vector loops without requiring C++ recompilation.

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ProgrammingDEV Community ·

Beginner's Guide to Software Development Tools and Environments

Software engineers need more than coding skills, relying on tools and a working environment to write, test, organize, and manage projects. A development environment is the set of software and configurations used to build and test applications, much like an artist's materials. It typically includes a code editor or IDE such as VS Code, PyCharm, or IntelliJ IDEA, along with language runtimes, version control, and testing tools. Git tracks code changes, while GitHub hosts repositories and supports collaboration, and the terminal enables running commands and managing workflows. The article advises beginners to start with essentials and add tools like databases and testing frameworks as projects grow more complex.

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