Matt Gajda's personal website about programming.https://mattgajda.com/https://mattgajda.com/blog/2020/04/28/elasticsearch-tutorial-for-beginners/https://mattgajda.com/blog/2020/04/28/elasticsearch-tutorial-for-beginners/Have you ever heard about Elasticsearch? It’s a really useful tool if you have to go through a massive amount of data and pick the necessary information only. And we’re talking a situation where control/command+F isn’t an option.Tue, 28 Apr 2020 00:00:00 GMThttps://mattgajda.com/blog/2025/12/28/jevons-paradox-x-thread-by-aaron-levie/https://mattgajda.com/blog/2025/12/28/jevons-paradox-x-thread-by-aaron-levie/Aaron Levie tells about Jevons Paradox.Sun, 28 Dec 2025 00:00:00 GMThttps://mattgajda.com/blog/2025/12/30/ai-hype-vs-reality-what-2025-didnt-deliver/https://mattgajda.com/blog/2025/12/30/ai-hype-vs-reality-what-2025-didnt-deliver/Last year’s AI predictions promised a near-total shift to autonomous development. Reality looks different: AI helps a lot, but humans are still firmly in the loop.Tue, 30 Dec 2025 00:00:00 GMThttps://mattgajda.com/blog/2026/01/02/mole-a-cli-toolkit-to-deep-clean-and-optimize-macos/https://mattgajda.com/blog/2026/01/02/mole-a-cli-toolkit-to-deep-clean-and-optimize-macos/Mole is a single-binary CLI that combines features similar to CleanMyMac, AppCleaner, DaisyDisk, and iStat—covering deep cleanup, uninstalling apps with leftovers, disk analysis, and live system monitFri, 02 Jan 2026 00:00:00 GMThttps://mattgajda.com/blog/2026/05/19/ai-code-generation-trades-writing-for-reading/https://mattgajda.com/blog/2026/05/19/ai-code-generation-trades-writing-for-reading/A short take on why AI coding tools don't save as much time as you'd think: they shift the work from writing code to reading and verifying it.Tue, 19 May 2026 00:00:00 GMThttps://mattgajda.com/blog/2022/11/14/how-to-use-many-key-management-service-keys-inside-one-s3-bucket/https://mattgajda.com/blog/2022/11/14/how-to-use-many-key-management-service-keys-inside-one-s3-bucket/Using one KMS key with an S3 bucket it’s pretty straightforward. Is using many keys also easy? Let’s check it together!Mon, 14 Nov 2022 00:00:00 GMThttps://mattgajda.com/blog/2024/02/19/optimizing-your-rag-pipeline-unleashing-the-power-of-embedding-models/https://mattgajda.com/blog/2024/02/19/optimizing-your-rag-pipeline-unleashing-the-power-of-embedding-models/Discover how we optimized our Retrieval-Augmented Generation pipeline by refining embedding models for superior, reliable search results.Mon, 19 Feb 2024 00:00:00 GMThttps://mattgajda.com/blog/2025/05/05/how-to-create-a-summary-ai-agent-with-telegram-and-n8n/https://mattgajda.com/blog/2025/05/05/how-to-create-a-summary-ai-agent-with-telegram-and-n8n/In this guide, you will learn to effortlessly build your own Telegram bot using n8n and AWS Lambda, enabling you to automatically summarize articles directly within your chats.Mon, 05 May 2025 00:00:00 GMThttps://mattgajda.com/blog/2026/01/04/1-hours-mac-whisper-clone-using-script-kit/https://mattgajda.com/blog/2026/01/04/1-hours-mac-whisper-clone-using-script-kit/A fast demo of how far you can get cloning a popular tool’s core workflow in about an hour. Script Kit for UI + whisper.cpp for local transcription, with Codex driving most of the glue code.Sun, 04 Jan 2026 00:00:00 GMThttps://mattgajda.com/blog/2026/05/22/bash-js-sandbox-home-cwd-flags/https://mattgajda.com/blog/2026/05/22/bash-js-sandbox-home-cwd-flags/A look inside the bash-js emulator and why setting HOME, cwd, and language flags matters even when there's no real shell underneath, plus how it fits a Next.js setup.Fri, 22 May 2026 00:00:00 GMThttps://mattgajda.com/blog/2026/05/26/async-python-vs-javascript/https://mattgajda.com/blog/2026/05/26/async-python-vs-javascript/What happens when you bring async/await from JavaScript to Python, from coroutines that do not auto-start to gathering tasks and managing the event loop.Tue, 26 May 2026 00:00:00 GMT