Developer releases open-source SDK to make React Native apps resilient on poor connections

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A developer has released NetResilience, an open-source SDK for React Native designed to improve HTTP communication reliability under poor internet conditions. Unlike standard connectivity libraries that only detect online or offline status, NetResilience classifies network quality into four levels: Excellent, Moderate, Poor, and Offline. Based on the detected quality, the SDK can queue, retry, delay, or reject HTTP requests according to configurable resilience policies. Pending requests are persisted locally using expo-sqlite, allowing queued operations to survive app restarts. To address security concerns, the SDK strips authentication tokens before local storage and fetches a fresh token via an authProvider callback at sync time, preventing issues with expired credentials.

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Zero-Copy Method Cuts Memory Use in Python Video Streaming with OpenCV

A new pipeline paradigm aims to improve memory efficiency in real-time video streaming using OpenCV-Python, which typically creates and destroys numerous NumPy arrays during camera capture. The approach allocates a single memory buffer — a NumPy array — once at startup, then lets a high-performance C++ backend continuously update it with new frames instead of recreating it each time. OpenCV (C++), FFmpeg, and similar libraries can serve as the backend, with the C++ layer exposed to Python via pybind11. Python developers interact with a standard NumPy array that can be set as read-only, limiting unnecessary copies unless explicitly requested. The architecture reduces memory overhead while keeping the Python-facing API simple and familiar.

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ProgrammingDEV Community ·

Guessing ATS job board slugs misfires half the time, study of 2,127 firms finds

A developer building a company-to-job-board index across 2,127 firms found that guessing URL slugs from company names works only about 26% of the time, and nearly half of those matches point to the wrong employer. Because Ashby and Lever do not include a company name in their API responses, there is no direct way to confirm board ownership from the payload alone. Greenhouse is the exception, returning a company name field that enables straightforward verification. A common but flawed workaround — comparing the company name against the job URL — simply checks whether the guessed slug matches itself, making it incapable of catching errors. The only reliable cross-platform method is cross-referencing known job titles from an independent source against the titles returned by the board.

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ProgrammingDEV Community ·

How to Build a React Native Starter in 2026 That Actually Ships

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ProgrammingDEV Community ·

Developer Builds AI-Human Cryptid Reporting System Using Sanity CMS

A developer has built an open-source 'Cryptid Field Station' as part of the Sanity Challenge, allowing hikers to submit reported cryptid sightings with location coordinates and photo or video evidence. On submission, an automated agent runs parallel checks — an AI credibility assessment via Google Gemini and a live weather data pull from Open-Meteo for the reported location and time. Depending on the agent's verdict, reports are either auto-approved, auto-rejected, or flagged for review by a human ranger who can verify, reject, or publish sightings through a real-time triage dashboard. Every status transition appends a verification document to the sighting, creating a shared audit trail authored by both the AI agent and the human reviewer. The project includes a built-in control test — a jackalope report that admits to being taxidermy — which is designed to always be rejected, serving as a live integrity check for the pipeline.

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