Android App Modularization Cuts Incremental Build Time by 30%, Study Shows

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A developer restructured a single-module Android app into a core/feature module architecture and benchmarked the impact on incremental build times. The monolithic version took 3.744 seconds to rebuild after a single file change, while the modularized version completed the same task in just 2.614 seconds. This represents roughly a 30% speed improvement, a gain that compounds across every code change made by a development team. The project was built using Kotlin, Jetpack Compose, Hilt, and Gradle version catalogs. Both the modularized and baseline monolith versions have been published on GitHub so other developers can independently reproduce the comparison.

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Ollama's 5-Minute Default Caused 214 Model Reloads in a Single Day

A developer running a local AI chat app discovered that Ollama's default 5-minute idle timeout was silently evicting models from VRAM, forcing a costly cold reload from disk on every subsequent request. Over 24 hours and 1,180 requests, the system logged 214 model load events, with cold starts taking 11.4 seconds to first token compared to just 0.9 seconds when the model was already warm. A cron job set to run every 10 minutes was hitting the 5-minute timeout every single time, meaning it had never once used a warm model. The root cause was partly obscured because passing keep_alive in the request body has no effect on Ollama's OpenAI-compatible endpoint — only the native API honors it. Setting the server-side environment variable OLLAMA_KEEP_ALIVE=24h and moving embeddings to a separate CPU-only instance reduced daily model reloads from 214 down to just 9.

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ProgrammingDEV Community ·

How to Separate Identity, Consent, and Session Management in Patient Portal OAuth

A technical guide published on DEV Community outlines best practices for implementing OAuth-based login in healthcare patient portals using Node.js. The author argues that OAuth handles identity but does not address whether an application should access specific health data categories at a given moment. The piece recommends treating consent and session lifetime as decisions distinct from authentication, with explicit user-facing disclosures showing data category, purpose, and trigger before any access occurs. It also covers refresh token rotation, audit logging of consent state changes, and the risk of revoke actions that only update a UI checkbox without blocking subsequent API calls. Four identity providers — Auth0, Clerk, Keycloak, and Infrai — are compared based on their suitability for portal use cases and their respective trade-offs.

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ProgrammingDEV Community ·

Developer builds Auricle, a native Windows music player for YouTube Music

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ProgrammingDEV Community ·

How Server-Sent Events Can Replace WebSockets in Next.js Apps

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