ozamertLearning out loud across data, security, and languages.https://ozamert.com/Pilot: Mert Talks Data — building this bloghttps://ozamert.com/podcast/mert-talks-data-pilot/https://ozamert.com/podcast/mert-talks-data-pilot/Behind the scenes on shipping ozamert.com with local AI agents.Sat, 16 May 2026 00:00:00 GMTFix: EACCES on Docker bind mounthttps://ozamert.com/lab-notes/first-lab-note/https://ozamert.com/lab-notes/first-lab-note/macOS 15 / Docker Desktop 4.x / Fedora containerFri, 15 May 2026 00:00:00 GMTFrom zero to MLOps: GitHub Actions for ML pipelineshttps://ozamert.com/data-engineering/github-actions-mlops/https://ozamert.com/data-engineering/github-actions-mlops/Wire up a GitHub Actions CI/CD pipeline that trains, tests, and deploys ML models automatically.Sun, 10 May 2026 00:00:00 GMTETL with Python + DuckDB: CSV to parquet to SQLhttps://ozamert.com/data-engineering/etl-python-duckdb/https://ozamert.com/data-engineering/etl-python-duckdb/Skip Spark. DuckDB does CSV → parquet → SQL queries on your laptop in seconds.Wed, 22 Apr 2026 00:00:00 GMTData Engineering Podcast — Episode on Lakehouseshttps://ozamert.com/podcast/data-engineering-podcast-2026-04/https://ozamert.com/podcast/data-engineering-podcast-2026-04/Solid intro to lakehouse architecture and tradeoffs vs warehouses.Fri, 10 Apr 2026 00:00:00 GMTYour first baseline model: train/test split without overfittinghttps://ozamert.com/data-science/baseline-model-first/https://ozamert.com/data-science/baseline-model-first/Stop reaching for XGBoost on day one. Build a baseline.Wed, 08 Apr 2026 00:00:00 GMTFine-tune Llama 3 on consumer GPU with QLoRAhttps://ozamert.com/ml-engineering/fine-tune-llama-qlora/https://ozamert.com/ml-engineering/fine-tune-llama-qlora/Walkthrough fine-tuning Llama 3 8B on a single 4090.Fri, 20 Mar 2026 00:00:00 GMTSpanish A2: 50 verbs that power 80% of daily speechhttps://ozamert.com/languages/spanish-a2-50-verbs/https://ozamert.com/languages/spanish-a2-50-verbs/The 50 verbs you actually need for A2 conversation.Sun, 15 Mar 2026 00:00:00 GMTdbt + Snowflake: incremental models that don't breakhttps://ozamert.com/data-engineering/dbt-snowflake-incremental/https://ozamert.com/data-engineering/dbt-snowflake-incremental/Pattern for incremental models with late-arriving dataThu, 12 Feb 2026 00:00:00 GMTFix: KeyError on pandas merge with mismatched dtypeshttps://ozamert.com/lab-notes/keyerror-pandas/https://ozamert.com/lab-notes/keyerror-pandas/macOS 15 / Python 3.12 / pandas 2.2Sun, 08 Feb 2026 00:00:00 GMTJazz ear training: 30 days to identify ii-V-Ihttps://ozamert.com/music/jazz-ear-training-30-day/https://ozamert.com/music/jazz-ear-training-30-day/Daily 15-min routine that worked.Sun, 18 Jan 2026 00:00:00 GMTPandas vs Polars: where Polars actually winshttps://ozamert.com/data-science/pandas-vs-polars-benchmarks/https://ozamert.com/data-science/pandas-vs-polars-benchmarks/Lazy evaluation, parallel ops, when to switch.Mon, 15 Dec 2025 00:00:00 GMTSuper Data Science — On modern MLOps stackshttps://ozamert.com/podcast/super-data-science-2025-11/https://ozamert.com/podcast/super-data-science-2025-11/Tour of current MLOps tooling landscape.Sat, 22 Nov 2025 00:00:00 GMTMLflow vs Weights & Biases: experiment tracking in 2025https://ozamert.com/ml-engineering/mlflow-vs-w-and-b/https://ozamert.com/ml-engineering/mlflow-vs-w-and-b/Self-hosted vs SaaS, when to pick which.Sun, 12 Oct 2025 00:00:00 GMTAirflow vs Prefect in 2025: a pragmatic takehttps://ozamert.com/data-engineering/airflow-vs-prefect-2025/https://ozamert.com/data-engineering/airflow-vs-prefect-2025/Which orchestrator for your data team in 2025Thu, 04 Sep 2025 00:00:00 GMTMLOps Community — Vector DBs in productionhttps://ozamert.com/podcast/ml-ops-community-2025-08/https://ozamert.com/podcast/ml-ops-community-2025-08/Real war stories about Pinecone, Weaviate, Qdrant.Tue, 05 Aug 2025 00:00:00 GMTGerman B1 via podcasts: my Slow German methodhttps://ozamert.com/languages/german-b1-podcast-method/https://ozamert.com/languages/german-b1-podcast-method/How 'Slow German' podcasts got me to B1 conversational.Wed, 30 Jul 2025 00:00:00 GMTGuitar: 20-min daily routine to first clean chord changeshttps://ozamert.com/music/guitar-20-min-routine/https://ozamert.com/music/guitar-20-min-routine/20 minutes a day to clean chord transitions in 30 days.Mon, 02 Jun 2025 00:00:00 GMT3 days in Tokyo for tech nerds: cafés, bookstores, maker spaceshttps://ozamert.com/travel/3-days-tokyo-tech-nerds/https://ozamert.com/travel/3-days-tokyo-tech-nerds/Coffee, bookstores, electronics, maker spaces — 3-day Tokyo for engineers.Wed, 20 Nov 2024 00:00:00 GMTBuilding a feature store from scratch with DuckDBhttps://ozamert.com/ml-engineering/feature-store-from-scratch/https://ozamert.com/ml-engineering/feature-store-from-scratch/You don't need Tecton or Feast for 80% of cases.Thu, 22 Aug 2024 00:00:00 GMT