I was called at my firm for having to create a analytics dashboard for a multiTenet CRM dashboard where the magnitude of rows were in thousands and the efficiency i could not blame postgress or servers I had to figure out how to index, query and cache the data. The business questions were something like this Give the sales agents aggregated sales data from the month of January, till the current m
When you automate backups, you eventually discover the backup was not the hard part. The hard part was everything around it. This week I got a nice little reminder from my self-hosted agent setup: the backup job can be logically correct, authenticated, scheduled, and still fail because of two very boring constraints: Docker-owned files are not always readable by the user running cron. GitHub Relea
PostgreSQL Query Rewriting Techniques The previous articles in this series covered performance problems you fix by adding indexes, restructuring joins, or tuning memory. This one is about the queries where the plan is "fine" — every node is doing something reasonable — but the query itself is asking the wrong question, producing unnecessarily large intermediate results or forcing the planner dow
Show HN: Let – Offline-first life events tracker (React Native, SQLite)
An opinionated list of Python frameworks, libraries, tools, and resources
We're all learning how to ship more side projects. If you're "in the bubble" it can feel like everyone is repo-maxxing. Shipping weekly. Spinning up agents to scaffold full apps overnight. New OSS dropped every Friday. The reality I see with most developers is much more normal: They have six or seven repos sitting in various states of half-attention. A side project from last year that still gets a
Hey dev.to community! I just launched CodeLens AI — an AI-powered code review tool that automatically reviews every pull request. Connect your GitHub repo Open a PR AI automatically reviews the code Detailed review comment posted on PR Bugs and logic errors SQL injection and security vulnerabilities Performance issues Code quality improvements Next.js + TypeScript NextAuth + GitHub OAuth Supabase
Why We Open-Sourced Our AI Safety Layer When we built the AI safety layer for As You Wish (AYW), we faced a choice: keep it proprietary or open-source it to help the community. Here's why we chose the latter (and why it made our platform stronger). If you're building AI-assisted development tools, you need: Input validation (sanitizing prompts, preventing injection) Output filtering (catching u