Hi, I am Philip :)https://heltweg.org/https://heltweg.org/posts/improving-local-techdocs-for-your-ai-coding-agent/https://heltweg.org/posts/improving-local-techdocs-for-your-ai-coding-agent/After crawling and cleaning technical documentation locally, we add page classification, embeddings, and a knowledge graph to make the data much more useful for AI coding agents.Fri, 22 May 2026 00:00:00 GMThttps://heltweg.org/posts/book-club-designing-data-intensive-applications-2-nd-edition/https://heltweg.org/posts/book-club-designing-data-intensive-applications-2-nd-edition/Join me in an async, email-based book club reading Designing Data-Intensive Applications, 2nd Edition. Inspired by Phil Eaton, we'll regularly discuss asynchronously via email and not have no video calls. Every level of experience and participation is welcome :).Thu, 14 May 2026 00:00:00 GMThttps://heltweg.org/posts/learnings-from-crawling-technical-documentation/https://heltweg.org/posts/learnings-from-crawling-technical-documentation/Small gotchas and learnings from crawling technical documentation. Saving documentation locally is helpful in your software engineering projects - for example, for local AI to offer your coding agents to use the documentation of software you use, or just to do further processing on it.Wed, 13 May 2026 00:00:00 GMThttps://heltweg.org/posts/hosting-an-open-alternative-to-google-docs-for-digital-sovereignty/https://heltweg.org/posts/hosting-an-open-alternative-to-google-docs-for-digital-sovereignty/We are self-hosting LaSuite, an open-source Google Docs alternative, for our small agency - and opening it up for others to try.Thu, 07 May 2026 00:00:00 GMThttps://heltweg.org/posts/make-technical-documentation-available-for-local-ai-use/https://heltweg.org/posts/make-technical-documentation-available-for-local-ai-use/For our recent work, we looked into how to consistently crawl technical documentation and make it available for further processing by LLMs or agents. Doing so would either allow you to use the documentation for downstream processing, or you could vendor the documentation locally - in your repository, for example - and build a more easily searchable database of it.Tue, 05 May 2026 00:00:00 GMThttps://heltweg.org/posts/ideation-and-product-ideas/https://heltweg.org/posts/ideation-and-product-ideas/ I always wish my feed was more interesting to read, with more honest, raw posts and less pure announcements and AI slob. So, trying to be the change I want to see in the world, I will try to post more openly about trying to build an independent business (and at the same time make enough grammar mistakes to prove that I type this myself). Wed, 08 Apr 2026 00:00:00 GMThttps://heltweg.org/posts/optimization-opportunities-for-cloud-based-data-pipeline-infrastructures/https://heltweg.org/posts/optimization-opportunities-for-cloud-based-data-pipeline-infrastructures/Fri, 03 Apr 2026 00:00:00 GMThttps://heltweg.org/posts/where-to-stay-when-visiting-paris/https://heltweg.org/posts/where-to-stay-when-visiting-paris/Occasionally friends and family visit me in Paris. So far, I still have not found a solid list of places to stay but this is my current list in the hopes to be able to update and just link it in the future.Fri, 27 Feb 2026 00:00:00 GMThttps://heltweg.org/posts/you-want-to-visit-the-uk-you-better-have-a-google-play-or-app-store-account/https://heltweg.org/posts/you-want-to-visit-the-uk-you-better-have-a-google-play-or-app-store-account/New immigration rules for the UK are being enforced starting February 2026. This means citizens of 85 additional countries (including the USA and European countries) will need an Electronic Travel Authorisation (ETA) to visit, even for tourism. Luckily, you can apply (and pay) digitally. Unfortunately, the government very much would prefer you to do so using the official app.Thu, 26 Feb 2026 00:00:00 GMThttps://heltweg.org/posts/how-to-use-animated-sprites-and-animations-with-the-ldtk-level-editor/https://heltweg.org/posts/how-to-use-animated-sprites-and-animations-with-the-ldtk-level-editor/One way to configure animated sprites for an Excalibur level using the LDtk level editor.Sat, 29 Nov 2025 00:00:00 GMThttps://heltweg.org/posts/can-a-domain-specific-language-improve-program-structure-comprehension-of-data-pipelines/https://heltweg.org/posts/can-a-domain-specific-language-improve-program-structure-comprehension-of-data-pipelines/Sat, 15 Nov 2025 00:00:00 GMThttps://heltweg.org/posts/open-collaborative-data-engineering-with-subject-matter-experts-using-domain-specific-languages/https://heltweg.org/posts/open-collaborative-data-engineering-with-subject-matter-experts-using-domain-specific-languages/Tue, 16 Sep 2025 00:00:00 GMThttps://heltweg.org/posts/balancing-technology-heterogeneity-in-microservice-architectures/https://heltweg.org/posts/balancing-technology-heterogeneity-in-microservice-architectures/Fri, 20 Jun 2025 00:00:00 GMThttps://heltweg.org/posts/is-spreadsheet-syntax-better-than-numeric-indexing-for-cell-selection/https://heltweg.org/posts/is-spreadsheet-syntax-better-than-numeric-indexing-for-cell-selection/Wed, 11 Jun 2025 00:00:00 GMThttps://heltweg.org/posts/ai-adventures/https://heltweg.org/posts/ai-adventures/A ChatGPT wrapper to generate TTRPG adventure ideas.Tue, 25 Mar 2025 00:00:00 GMThttps://heltweg.org/posts/tinypets/https://heltweg.org/posts/tinypets/They are pets. They are tiny.Tue, 25 Mar 2025 00:00:00 GMThttps://heltweg.org/posts/immigration-und-respekt/https://heltweg.org/posts/immigration-und-respekt/Persönliche Erfahrungen.Fri, 14 Feb 2025 00:00:00 GMThttps://heltweg.org/posts/effects-domain-specific-language-understanding-data-pipeline-architectures/https://heltweg.org/posts/effects-domain-specific-language-understanding-data-pipeline-architectures/Wed, 12 Feb 2025 00:00:00 GMThttps://heltweg.org/posts/immigration-and-civility/https://heltweg.org/posts/immigration-and-civility/A personal reflection.Wed, 12 Feb 2025 00:00:00 GMThttps://heltweg.org/posts/zitat/https://heltweg.org/posts/zitat/I built a small tool to generate beautiful images for insightful quotes.Tue, 31 Dec 2024 00:00:00 GMThttps://heltweg.org/posts/meta-data-2-oleg-lavrovsky-hacking-integration/https://heltweg.org/posts/meta-data-2-oleg-lavrovsky-hacking-integration/An interview with Oleg Lavrovsky about supporting integration with hackathons, enabling diverse teams and making local impact.Thu, 28 Nov 2024 00:00:00 GMThttps://heltweg.org/posts/open-data-value-chain/https://heltweg.org/posts/open-data-value-chain/Wed, 06 Nov 2024 00:00:00 GMThttps://heltweg.org/posts/checklist-issues-progressive-web-apps-how-to-fix/https://heltweg.org/posts/checklist-issues-progressive-web-apps-how-to-fix/A living collection of issues you might encounter when building PWAs and solutions for them.Tue, 15 Oct 2024 00:00:00 GMThttps://heltweg.org/posts/meta-data-1-david-gasquez-retroactive-public-goods-funding-open-data-web3/https://heltweg.org/posts/meta-data-1-david-gasquez-retroactive-public-goods-funding-open-data-web3/An interview with David Gasquez about funding models and open data in the Web3 ecosystem.Fri, 13 Sep 2024 00:00:00 GMThttps://heltweg.org/posts/weightbook-release/https://heltweg.org/posts/weightbook-release/Six years ago, I lost more than 40 kg (37% of me!) over a few months. I know what you are thinking: This sounds like the intro to a sleazy sales pitch. And it is. Just not for what you think it is.Fri, 30 Aug 2024 00:00:00 GMThttps://heltweg.org/posts/olympic-games-open-data/https://heltweg.org/posts/olympic-games-open-data/Sun, 04 Aug 2024 00:00:00 GMThttps://heltweg.org/posts/product-or-prototype-mindset/https://heltweg.org/posts/product-or-prototype-mindset/Tue, 02 Jul 2024 00:00:00 GMThttps://heltweg.org/posts/how-to-make-sure-no-one-cares-about-your-open-data/https://heltweg.org/posts/how-to-make-sure-no-one-cares-about-your-open-data/Fri, 28 Jun 2024 00:00:00 GMThttps://heltweg.org/posts/what-are-data-infomediaries-and-what-is-their-role-in-open-data-ecosystems/https://heltweg.org/posts/what-are-data-infomediaries-and-what-is-their-role-in-open-data-ecosystems/Tue, 28 May 2024 00:00:00 GMThttps://heltweg.org/posts/talk-not-all-those-who-wander-are-lost/https://heltweg.org/posts/talk-not-all-those-who-wander-are-lost/Fri, 19 Jan 2024 00:00:00 GMThttps://heltweg.org/posts/thank-you-reviewer-3/https://heltweg.org/posts/thank-you-reviewer-3/Be friendly. Be like reviewer 3.Sun, 12 Nov 2023 00:00:00 GMThttps://heltweg.org/posts/a-systematic-analysis-of-problems-in-open-collaborative-data-engineering/https://heltweg.org/posts/a-systematic-analysis-of-problems-in-open-collaborative-data-engineering/Mon, 30 Oct 2023 00:00:00 GMThttps://heltweg.org/posts/whisper-ai-local-transcribe/https://heltweg.org/posts/whisper-ai-local-transcribe/Transcribing interviews is tedious, let AI do the work.Sat, 06 May 2023 00:00:00 GMThttps://heltweg.org/posts/thesis-expose-project-outline/https://heltweg.org/posts/thesis-expose-project-outline/Why write an exposé or project outline for your thesis and what to include.Mon, 13 Feb 2023 00:00:00 GMThttps://heltweg.org/posts/challenges-to-open-collaborative-data-engineering/https://heltweg.org/posts/challenges-to-open-collaborative-data-engineering/Tue, 03 Jan 2023 00:00:00 GMThttps://heltweg.org/posts/swc-kickoff/https://heltweg.org/posts/swc-kickoff/How to run social events for nerds.Mon, 22 Aug 2022 00:00:00 GMThttps://heltweg.org/posts/chose-names-for-google-not-people/https://heltweg.org/posts/chose-names-for-google-not-people/Sat, 22 Jan 2022 00:00:00 GMThttps://heltweg.org/posts/who-wrote-this-shit/https://heltweg.org/posts/who-wrote-this-shit/Trashing legacy software is fun. It creates camaraderie.Sun, 09 Jan 2022 00:00:00 GMThttps://heltweg.org/posts/master-thesis/https://heltweg.org/posts/master-thesis/Sun, 07 Nov 2021 00:00:00 GMThttps://heltweg.org/posts/certification-of-iterated-belief-changes-via-model-checking-and-its-implementation/https://heltweg.org/posts/certification-of-iterated-belief-changes-via-model-checking-and-its-implementation/Wed, 27 Oct 2021 00:00:00 GMThttps://heltweg.org/posts/on-using-model-checking-for-the-certification-of-iterated-belief-changes/https://heltweg.org/posts/on-using-model-checking-for-the-certification-of-iterated-belief-changes/Tue, 28 Sep 2021 00:00:00 GMThttps://heltweg.org/posts/judges-aliens-and-total-preorders/https://heltweg.org/posts/judges-aliens-and-total-preorders/Synopsis of some ideas from the paper 'How to Revise a Total Preorder' by Booth and MeyerFri, 09 Apr 2021 00:00:00 GMThttps://heltweg.org/posts/how-to-kill-a-dragon/https://heltweg.org/posts/how-to-kill-a-dragon/How to slay a dragon.Mon, 15 Mar 2021 00:00:00 GMThttps://heltweg.org/posts/spaeher/https://heltweg.org/posts/spaeher/spaeher.app - sentiment analytics for youtubeSat, 12 Dec 2020 00:00:00 GMThttps://heltweg.org/posts/wisdom-from-the-internet/https://heltweg.org/posts/wisdom-from-the-internet/A list of various content I found and gathered over the years that influenced me at the time or gave me new ideas. Mainly focused on software engineering and generic life advice.Thu, 03 Dec 2020 00:00:00 GMThttps://heltweg.org/posts/iyagi/https://heltweg.org/posts/iyagi/Iyagi - Write letters to penpals, practice a language and meet new people.Mon, 30 Mar 2020 00:00:00 GMThttps://heltweg.org/posts/machine-learning-basics-machine-learning-by-stanford-university-review-and-notes/https://heltweg.org/posts/machine-learning-basics-machine-learning-by-stanford-university-review-and-notes/Review of the Machine Learning by Stanford University course on Coursera as well as notesSat, 14 Mar 2020 00:00:00 GMThttps://heltweg.org/posts/import-tweets-with-nodejs-and-the-twitter-api/https://heltweg.org/posts/import-tweets-with-nodejs-and-the-twitter-api/Work with the twitter api and nodejs, importing tweets for later useFri, 25 Oct 2019 00:00:00 GMThttps://heltweg.org/posts/deploy-an-app-into-your-personal-cloud/https://heltweg.org/posts/deploy-an-app-into-your-personal-cloud/Deploy an app into your personal cloudWed, 04 Sep 2019 00:00:00 GMThttps://heltweg.org/posts/build-a-docker-image-on-gitlab-ci-and-publish-it-to-google-container-registry/https://heltweg.org/posts/build-a-docker-image-on-gitlab-ci-and-publish-it-to-google-container-registry/Build a docker image on gitlab ci and publish it to google container registryTue, 03 Sep 2019 00:00:00 GMThttps://heltweg.org/posts/deploy-to-google-kubernetes-engine-using-gitlab-ci/https://heltweg.org/posts/deploy-to-google-kubernetes-engine-using-gitlab-ci/Deploy to google kubernetes engine using gitlab ciTue, 03 Sep 2019 00:00:00 GMThttps://heltweg.org/posts/build-a-progressive-web-app-in-docker-with-nginx-to-deploy-to-kubernetes-or-docker-swarm/https://heltweg.org/posts/build-a-progressive-web-app-in-docker-with-nginx-to-deploy-to-kubernetes-or-docker-swarm/Build a progressive web app delivered by nginx with docker to deploy it to docker swarm or kubernetes.Sat, 24 Aug 2019 00:00:00 GMThttps://heltweg.org/posts/run-a-personal-cloud-with-traefik-lets-encrypt-and-zookeeper/https://heltweg.org/posts/run-a-personal-cloud-with-traefik-lets-encrypt-and-zookeeper/Run a personal Cloud with Traefik, Lets encrypt and ZookeeperFri, 16 Aug 2019 00:00:00 GMThttps://heltweg.org/posts/kubernetes-for-sideprojects-hardware-is-dead/https://heltweg.org/posts/kubernetes-for-sideprojects-hardware-is-dead/Kubernetes for sideprojects: Hardware is deadThu, 15 Aug 2019 00:00:00 GMThttps://heltweg.org/posts/entity-systems-for-typescript-based-games/https://heltweg.org/posts/entity-systems-for-typescript-based-games/Entity-Systems for typescript based gamesThu, 06 Jun 2019 00:00:00 GMThttps://heltweg.org/posts/deploy-a-personal-blog-with-hugo-firebase-and-gitlab/https://heltweg.org/posts/deploy-a-personal-blog-with-hugo-firebase-and-gitlab/Deploy a personal blog with Hugo, Firebase and GitlabFri, 03 May 2019 00:00:00 GMThttps://heltweg.org/posts/mealpreplist-dot-com-your-weekly-mealprep-made-easy/https://heltweg.org/posts/mealpreplist-dot-com-your-weekly-mealprep-made-easy/mealpreplist.com - Your weekly mealprep, made easyWed, 27 Sep 2017 00:00:00 GMThttps://heltweg.org/posts/whatchr-dot-com-a-better-youtube-playlist-experience/https://heltweg.org/posts/whatchr-dot-com-a-better-youtube-playlist-experience/Whatchr.com - a better youtube playlist experienceTue, 04 Oct 2016 00:00:00 GMThttps://heltweg.org/posts/frozzen/https://heltweg.org/posts/frozzen/Frozzen - a turn-based RPG, coming soon to browsers and mobile devices near you. Serious gaming with depth and a thrilling story in a dark fantasy world.Fri, 06 Sep 2013 00:00:00 GMT