Community Research MCP

{ "ff4f82249619c176345df2941e7b81e8": { "result": "# Community Research: FastAPI background tasks queue with Celery and Redis\n- Goal: Send emails without blocking requests\n- Context: Python\n\n## Findings (ranked)\n1) web (Score: 80, Date: unknown, Votes/Stars: n/a)\n - Issue: Long-running email sending blocks FastAPI responses.\n - Solution: Use Celery worker with Redis broker; trigger tasks via delay/apply_async from FastAPI endpoint.\n - Evidence: https://fastapi.tiangolo.com/advanced/background-tasks/ - \"For long tasks use a task queue (Celery/RQ) instead of FastAPI BackgroundTasks.\"\n\n```python\nfrom celery import Celery\\ncelery_app = Celery('worker', broker='redis://localhost:6379/0')\\n\\n@celery_app.task\\ndef send_email(to):\\n ...\\n\\n# fastapi endpoint\\n@app.post('/send')\\nasync def send(to: str):\\n send_email.delay(to)\\n return {'status': 'queued'}\n```\n\n\n## Conflicts & Edge Cases\n- None detected; still validate against your stack.\n\n## Recommended Path\n1. Apply recommendation #1: FastAPI background tasks with Celery + Redis - Long-running email sending blocks FastAPI responses.\n\n## Quick-apply Code/Commands\n- Not available from sources.\n\n## Verification\n- Rebuild/retest the Python project after applying changes.\n\n## Assumptions\n- Evidence is weak (fewer than 2 strong sources found).\n\n## Search Stats\n- Sources: manual evidence pack\n- Results found: 1 curated entries\n- Enriched query: Python FastAPI background tasks queue with Celery and Redis Send emails without blocking requests solution code example\n- Expanded queries (for follow-up): Python FastAPI background tasks queue with Celery and Redis, Python FastAPI background tasks queue with Celery and Redis migration guide, Python FastAPI background tasks queue with Celery and Redis breaking change", "timestamp": 1763821457.0290446 }, "c185bcc1dd759949e28b9e2fc3926511": { "result": "# Community Research: React custom hooks for form validation with Yup\n- Goal: Reusable validation hook\n- Context: JavaScript\n\n## Findings (ranked)\n1) github (Score: 78, Date: unknown, Votes/Stars: n/a)\n - Issue: Form validation boilerplate repeated across components.\n - Solution: Create useFormValidation hook that takes a Yup schema, tracks errors, and validates on change/submit.\n - Evidence: https://dev.to/pallymore/creating-a-custom-react-hook-to-handle-form-validation-1ine - \"Custom hook wrapping Yup validation for reusable form logic.\"\n\n```javascript\nimport { useState } from 'react'\\nimport * as yup from 'yup'\\n\\nexport function useFormValidation(schema) {\\n const [errors, setErrors] = useState({})\\n const validate = async (values) => {\\n try {\\n await schema.validate(values, { abortEarly: false })\\n setErrors({});\\n return true;\\n } catch (err) {\\n const next = {};\\n err.inner.forEach(e => next[e.path] = e.message);\\n setErrors(next);\\n return false;\\n }\\n };\\n return { errors, validate };\\n}\n```\n\n\n## Conflicts & Edge Cases\n- None detected; still validate against your stack.\n\n## Recommended Path\n1. Apply recommendation #1: React custom hook with Yup validation - Form validation boilerplate repeated across components.\n\n## Quick-apply Code/Commands\n- Not available from sources.\n\n## Verification\n- Rebuild/retest the JavaScript project after applying changes.\n\n## Assumptions\n- Evidence is weak (fewer than 2 strong sources found).\n\n## Search Stats\n- Sources: manual evidence pack\n- Results found: 1 curated entries\n- Enriched query: JavaScript React custom hooks for form validation with Yup Reusable validation hook solution code example\n- Expanded queries (for follow-up): JavaScript React custom hooks for form validation with Yup, JavaScript React custom hooks for form validation with Yup migration guide, JavaScript React custom hooks for form validation with Yup breaking change", "timestamp": 1763821458.6459856 }, "b1bfa3c0406be59dc24d241775b4ed62": { "result": "# Community Research: Docker multi-stage builds to reduce image size\n- Goal: Cut image size for prod\n- Context: Docker\n\n## Findings (ranked)\n1) web (Score: 85, Date: unknown, Votes/Stars: n/a)\n - Issue: Production image too large.\n - Solution: Build in a builder stage and copy artifacts into a small runtime base (alpine or distroless).\n - Evidence: https://docs.docker.com/build/building/multi-stage/ - \"Use multi-stage builds to keep the final image small.\"\n\n```docker\nFROM node:20-alpine AS build\\nWORKDIR /app\\nCOPY package*.json ./\\nRUN npm ci --only=production\\nCOPY . .\\nRUN npm run build\\n\\nFROM node:20-alpine AS runtime\\nWORKDIR /app\\nCOPY --from=build /app/node_modules ./node_modules\\nCOPY --from=build /app/dist ./dist\\nCMD [\"node\", \"dist/server.js\"]\n```\n\n\n## Conflicts & Edge Cases\n- None detected; still validate against your stack.\n\n## Recommended Path\n1. Apply recommendation #1: Slim Docker image with multi-stage build - Production image too large.\n\n## Quick-apply Code/Commands\n- Not available from sources.\n\n## Verification\n- Rebuild/retest the Docker project after applying changes.\n\n## Assumptions\n- Evidence is weak (fewer than 2 strong sources found).\n\n## Search Stats\n- Sources: manual evidence pack\n- Results found: 1 curated entries\n- Enriched query: Docker Docker multi-stage builds to reduce image size Cut image size for prod solution code example\n- Expanded queries (for follow-up): Docker Docker multi-stage builds to reduce image size, Docker Docker multi-stage builds to reduce image size migration guide, Docker Docker multi-stage builds to reduce image size breaking change", "timestamp": 1763821460.2688677 }, "caf79db0e1744702e05d8ff7915a5a54": { "result": "# Community Research: tokio tcp server connection reset by peer\n- Goal: Handle client disconnects gracefully\n- Context: Rust\n\n## Findings (ranked)\n1) web (Score: 70, Date: unknown, Votes/Stars: n/a)\n - Issue: Connections drop with \"connection reset by peer\".\n - Solution: Match io::ErrorKind::ConnectionReset/ConnectionAborted and continue; ensure half-close handling and timeouts.\n - Evidence: https://users.rust-lang.org/t/handling-connectionreset/62031 - \"ConnectionReset is common when clients disconnect; handle and continue.\"\n\n```rust\nuse tokio::net::TcpListener;\\nuse tokio::io::{AsyncReadExt, AsyncWriteExt};\\nuse std::io;\\n\\nasync fn handle(mut socket: tokio::net::TcpStream) {\\n let mut buf = [0u8; 1024];\\n loop {\\n match socket.read(&mut buf).await {\\n Ok(0) => break,\\n Ok(n) => { let _ = socket.write_all(&buf[..n]).await; }\\n Err(e) if e.kind() == io::ErrorKind::ConnectionReset || e.kind() == io::ErrorKind::ConnectionAborted => break,\\n Err(e) => { eprintln!(\"read error: {e}\"); break; }\\n }\\n }\\n}\\n\\n#[tokio::main]\\nasync fn main() -> io::Result<()> {\\n let listener = TcpListener::bind(\"0.0.0.0:8080\").await?;\\n loop {\\n let (socket, _) = listener.accept().await?;\\n tokio::spawn(handle(socket));\\n }\\n}\n```\n\n\n## Conflicts & Edge Cases\n- None detected; still validate against your stack.\n\n## Recommended Path\n1. Apply recommendation #1: Handle ECONNRESET in tokio TCP server - Connections drop with \"connection reset by peer\".\n\n## Quick-apply Code/Commands\n- Not available from sources.\n\n## Verification\n- Rebuild/retest the Rust project after applying changes.\n\n## Assumptions\n- Evidence is weak (fewer than 2 strong sources found).\n\n## Search Stats\n- Sources: manual evidence pack\n- Results found: 1 curated entries\n- Enriched query: Rust tokio tcp server connection reset by peer Handle client disconnects gracefully solution code example\n- Expanded queries (for follow-up): Rust tokio tcp server connection reset by peer, Rust tokio tcp server connection reset by peer migration guide, Rust tokio tcp server connection reset by peer breaking change", "timestamp": 1763821461.9744704 } }