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ProgrammingDEV Community ·

New tool scrapes public Meetup event data from embedded cache, bypassing API restrictions

A tool called Meetup Events Scraper extracts public event data from Meetup.com without requiring login or API keys. It works by reading the Apollo GraphQL cache embedded in the public search page's HTML, which Next.js applications provide. This approach bypasses Meetup's official API, which is restricted to paying Pro subscribers. The service is offered on a pay-per-use basis, charging for each search run and per event retrieved.

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ProgrammingDEV Community ·

Verify patches for critical NetScaler flaw CVE-2026-88772, advisories warn

Security agencies NCSC-NL and CERT-FR have issued advisories regarding the critical vulnerability CVE-2026-88772 in Citrix NetScaler ADC and Gateway devices. The flaw, which requires DTLS to be enabled for exploitation, was actively exploited before fixes were released. The fixed software builds are version 14.1-73.37 and later for the 14.1 branch. Organizations are urged to verify their patches across all systems, including failover units, and to preserve logs from the exposure period. Over 239,000 internet-facing Citrix NetScaler instances were identified in a recent scan.

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ProgrammingDEV Community ·

Firebase Token Toolkit simplifies API testing by generating valid ID tokens

A new tool called Firebase Token Toolkit helps developers generate valid Firebase ID tokens for testing backend APIs. It bypasses the need for custom scripts by using a service account to create a custom token and exchange it via Google's authentication system. The resulting ID token is indistinguishable from one generated by a real client sign-in. The tool also assists with related tasks like managing custom claims and App Check tokens. It is a native application available for Linux, Windows, and macOS.

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ProgrammingDEV Community ·

Study compares ten weight formats for Gemma 4 E2B on AMD MI300X hardware

A developer has conducted a performance comparison of ten different weight formats for serving the Gemma 4 E2B language model on an AMD Instinct MI300X GPU. The test used the vLLM serving framework, timing each format across various request counts and prompt lengths. Results showed FP8 format performed closest to the baseline BF16 format, while 4-bit formats were significantly slower. The fastest formats involve the most rounding of the model's original trained weights, presenting a trade-off between speed and precision. All test logs, reports, and scripts have been publicly released on GitHub.

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ProgrammingDEV Community ·

Developer builds open-source GPA calculator, explains nuances of grade point math

A developer created a GPA calculator using vanilla JavaScript after finding existing tools required accounts or had intrusive interfaces. The project revealed significant variations in how different institutions calculate grade points, particularly regarding plus/minus grades and weighted courses. The calculator allows configuration of grading scales and handles common edge cases like retaken courses and pass/fail credits. The tool operates entirely client-side to protect user privacy, with no data storage or account requirements.

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ProgrammingDEV Community ·

Security audit finds multiple flash loan vulnerabilities in Sky Lending protocol

A security analysis of the Sky Lending DeFi protocol identified multiple vulnerabilities related to flash loan attacks. The report, prepared by a senior DeFi security research team and dated October 8, 2026, examined the protocol's core contracts and a recent upgrade. The most critical risks involve oracle price manipulation and a re-entrancy flaw in reward withdrawals, which could lead to significant losses. The protocol has a total value locked of approximately $5.9 billion across Ethereum and several layer-2 networks. The overall flash loan exposure was assessed as moderate-high.

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ProgrammingDEV Community ·

FIREla's Billclaw Adds Secure Bill Import to Beancount via Multiple Services

The financial app FIREla has updated its Billclaw feature to import bills using Plaid, Gmail, and GoCardless. The imported data flows directly into a user's Beancount plain-text ledger. The service is designed for self-hosting, specifically on Cloudflare Workers' free tier. This architecture ensures user credentials are stored only in the user's own cloud space, not with FIREla.

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ProgrammingDEV Community ·

Guide details creating a cryptocurrency using Vyper and Python for Arbitrum

The article provides a tutorial for creating a cryptocurrency token on the Arbitrum network. It is designed for readers with prior knowledge of blockchain and programming concepts. The guide explains that the token will follow the ERC20 standard, requiring six core functions for basic operations. It outlines the use of Vyper for the smart contract and Python tools like UV and Titanoboa for the project setup. The process includes writing the contract code, defining key token attributes, and implementing functions for transferring tokens.

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ProgrammingDEV Community ·

Open-source AI app GreenMate plans outdoor activities to reduce screen time

GreenMate AI is an open-source application designed to encourage users to spend less time on digital devices. It functions as an AI-powered outdoor activity planner for students, remote workers, and others seeking to disconnect. Users input their mood, available time, and preferences, and a locally-run AI model generates a structured mission, such as a guided walk. The project, built with React and FastAPI, uses open-weight models for local inference to promote predictable, screen-free outdoor engagement.

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ProgrammingDEV Community ·

Anthropic targets record $2 trillion IPO following explosive revenue growth

AI company Anthropic is planning an initial public offering valued at $2 trillion, which would be the largest in history. The company's revenue grew twelvefold in 2025 to $4.6 billion, primarily from enterprise clients. However, it also reported an operating loss of $8 billion last year and faces over $500 billion in long-term infrastructure commitments. The planned IPO aims to raise up to $100 billion ahead of a potential November listing.

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ProgrammingDEV Community ·

Wi-Fi camera users warned: Seeing live feed doesn't guarantee footage is saved

An article on DEV Community cautions that a live image on a WiFi camera app does not ensure a functional recording system. The piece explains that issues like stopped recordings, missed event triggers, or overwritten footage can prevent retrieving needed clips. It advises users to verify their specific camera model's compatibility with storage cards, including slot type, supported capacity, and formatting requirements. The author emphasizes that physically fitting cards can still be incompatible and recommends high-endurance cards designed for continuous writing. Finally, the guide suggests practical acceptance tests, like recording and exporting a known interval, to confirm the system works as intended.

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ProgrammingHacker News ·

ICANN Receives Application for New .lan Generic Top-Level Domain

A new application has been submitted to ICANN for the .lan generic top-level domain (gTLD). The application is currently under public review on ICANN's dedicated application portal. The proposal has generated discussion on the Hacker News forum, with users commenting on its potential implications. Such applications are part of ICANN's established process for expanding the internet's domain name system.

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ProgrammingHacker News ·

US Suspends Microsoft and Other IT Firms from Green Card Program

The United States government has suspended Microsoft and several other major IT companies from a key permanent residency program. The action was announced by US Senator J.D. Vance on October 8, 2026. The suspension prevents these firms from sponsoring foreign workers for green cards under this program. The senator cited unspecified concerns as the reason for the suspension, which is effective immediately.

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ProgrammingDEV Community ·

Korpus tool addresses AI agent memory loss by creating shared context space

A developer created Korpus, an MCP-first tool designed to solve AI agents' persistent memory problem across sessions. The system provides shared memory storage where both humans and multiple AI agents can read and write project context in plain markdown documents. Key design features include optimistic concurrency control to prevent overwrites, change logs documenting all modifications, and structured folder organization with explicit paths. The tool allows agents to maintain continuity between sessions instead of starting fresh each time with no project memory.

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ProgrammingDEV Community ·

DevOps beginner guide highlights 5 common learning pitfalls to avoid

A DevOps practitioner outlines frequent mistakes made by newcomers to the field. One major error is attempting to learn too many tools simultaneously without mastering foundational concepts first. Beginners also often confuse watching tutorials with genuine understanding, neglecting hands-on practice and project work. The author emphasizes the importance of grasping core technologies like Linux and networking before advancing to complex tools. Finally, the guide advises against waiting to complete all learning before starting practical, small-scale projects.

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ProgrammingDEV Community ·

Founder Creates Autonomous AI C-Suite with Human Approval Gate

A solo founder built an AI-powered system called ItWield to manage business operations. The platform uses simulated AI executives for tasks like strategy, technical oversight, and marketing. A key feature requires human approval for any external actions, such as sending client emails. The founder recently deployed a major update and is seeking community feedback on the tool.

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ProgrammingDEV Community ·

Claude Code workflow prevents common AI development errors in Expo + Supabase projects

A developer outlines a four-stage Claude Code workflow to address frequent failures in AI-assisted React Native development. The workflow focuses on preventing two main issues: agents writing code before understanding the existing codebase, and incomplete implementations that lack proper testing and security. The process includes planning, building with project skills, reviewing with read-only subagents, and verifying with stop hooks. The method assumes developers already have a CLAUDE.md file establishing project conventions. This structured approach aims to catch errors early and maintain consistency across features in Expo and Supabase applications.

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ProgrammingDEV Community ·

Guide details critical infrastructure needed for production-ready AI agents

A DEV Community guide explains that AI agents often fail in production, not due to the model itself, but because of integration problems. These issues include credential management, API throttling, schema changes, and unreliable retry logic. The article outlines five essential layers for a robust integration infrastructure to handle authentication, safe tool execution, rate limiting, auditing, and failure management. It warns that skipping any of these components can lead to system failures under real-world conditions.

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ProgrammingDEV Community ·

Solo developer details AI-native workflow for shipping production apps independently

Ksatria Bintang Samudra, a full-stack developer from Indonesia, builds production web applications alone using an AI-native approach. He treats AI coding agents as the default method for planning, building, testing, and shipping, with himself serving as architect and reviewer. His workflow involves planning features in plain language, implementing in small verifiable steps, and prioritizing security from the start. Samudra emphasizes that developers must own critical decisions like architecture and security while AI handles implementation tasks. He has deployed systems including an automated content pipeline using this method, which runs in production with real users.

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