Gonzalo Peña-Castellanos — Blog https://goanpeca.co/en/ New publications, articles, and essays. en Thu, 19 Feb 2026 00:00:00 GMT How I Use Claude Code: Meta Repos, Plan Persistence, and Iteration Logs https://goanpeca.co/en/blog/2026/02/how-i-use-claude-code/ https://goanpeca.co/en/blog/2026/02/how-i-use-claude-code/ Thu, 19 Feb 2026 00:00:00 GMT Practical patterns for AI-assisted development: meta repos for multi-project context, persisting plans in claude-plans/, and iteration logs for debugging hard bugs. AI Claude Code Developer Tools Workflow Jupyter Mimetypes for Datalayer SDK https://datalayer.blog/2025/08/11/jupyter-mimetypes https://goanpeca.co/en/blog/2025/08/jupyter-mimetypes-datalayer-sdk/ Mon, 11 Aug 2025 00:00:00 GMT Announcing the jupyter-mimetypes package for simplified data exchange between Jupyter kernels using Apache Arrow serialization. Jupyter Datalayer Python Open Source and Open Science in Latin America https://metadocencia.org/en/post/open-science-latin-america/ https://goanpeca.co/en/blog/2022/09/open-source-open-science-latin-america/ Thu, 15 Sep 2022 00:00:00 GMT Exploring language localization challenges, infrastructure barriers, and community-building initiatives for open source and open science across Latin America. Open Source Latin America Community Why We Are Excited About JupyterLab 3.0 Dynamic Extensions! https://quansight.com/post/why-we-are-excited-about-jupyterlab-3-0-dynamic-extensions/ https://goanpeca.co/en/blog/2020/10/jupyterlab-3-dynamic-extensions/ Mon, 19 Oct 2020 00:00:00 GMT Quansight's JupyterLab developers discuss the transformative changes in version 3.0, particularly dynamic extensions powered by webpack 5 module federation. Jupyter JupyterLab Extensions Spyder 4.0 Beta 2 Release https://www.spyder-ide.org/blog/release-spyder-4beta2 https://goanpeca.co/en/blog/2019/08/spyder-4-beta2/ Thu, 01 Aug 2019 00:00:00 GMT Announcing the second beta release of Spyder 4.0 with new features including an improved editor, plots pane, and enhanced debugging capabilities. Spyder Python Release TDK-Micronas Partners with Quansight to Sponsor Spyder https://www.spyder-ide.org/blog/tdk-micronas-partners-with-quansight-labs/ https://goanpeca.co/en/blog/2019/06/tdk-micronas-quansight-spyder/ Sat, 01 Jun 2019 00:00:00 GMT TDK-Micronas partners with Quansight to fund Spyder IDE development, supporting the scientific Python community through corporate sponsorship. Spyder Open Source Sponsorship