Software engineer at Upstash, Boğaziçi University graduate. I write about developer tooling, the occasional paper, and Redis - plus a monthly roundup of things I enjoyed reading.https://cahidarda.github.io/https://cahidarda.github.io/articles/rebuilding-this-site/https://cahidarda.github.io/articles/rebuilding-this-site/A personal site collects everything you do in one place. And you can build one without knowing a thing about the framework it runs on, just focusing on the aesthetics, like Bob Ross.Tue, 02 Jun 2026 00:00:00 GMTbloghttps://cahidarda.github.io/articles/the-current-may-2026/https://cahidarda.github.io/articles/the-current-may-2026/A monthly public record of the links I save - what I read this month, with a line on each.Sun, 31 May 2026 00:00:00 GMTaccessionshttps://cahidarda.github.io/articles/poetry-python-not-found-macos/https://cahidarda.github.io/articles/poetry-python-not-found-macos/Fixing Poetry's missing-python error on macOS without installing python-is-python3.Sat, 27 Apr 2024 00:00:00 GMTbloghttps://cahidarda.github.io/articles/degreeguru-chatbot/https://cahidarda.github.io/articles/degreeguru-chatbot/A RAG chatbot template built with the Vercel AI SDK, LangChain, Upstash Vector and OpenAI.Thu, 28 Mar 2024 00:00:00 GMTbloghttps://cahidarda.github.io/articles/elixir-phoenix-redis/https://cahidarda.github.io/articles/elixir-phoenix-redis/A tutorial deploying an Elixir/Phoenix app that caches WeatherAPI responses in Upstash Redis on Fly.Thu, 28 Mar 2024 00:00:00 GMTbloghttps://cahidarda.github.io/articles/static-word-embeddings-turkish/https://cahidarda.github.io/articles/static-word-embeddings-turkish/A fine-grained intrinsic and extrinsic comparison of contextual and static word embeddings for Turkish.Sat, 09 Dec 2023 00:00:00 GMTpublicationhttps://cahidarda.github.io/articles/optiver-quant-questions/https://cahidarda.github.io/articles/optiver-quant-questions/My solutions to the sample quantitative-researcher questions Optiver shares in their job listing.Sun, 17 Sep 2023 00:00:00 GMTbloghttps://cahidarda.github.io/articles/prisoners-dilemma-rl/https://cahidarda.github.io/articles/prisoners-dilemma-rl/Replicating win-stay/lose-shift strategy evolution in the iterated Prisoner's Dilemma, with Java multithreading.Sat, 09 Sep 2023 00:00:00 GMTbloghttps://cahidarda.github.io/articles/tabtransformer-keras/https://cahidarda.github.io/articles/tabtransformer-keras/Implementing the TabTransformer model in Keras, with an RNN warm-up, during a data-science internship.Tue, 30 Aug 2022 00:00:00 GMTbloghttps://cahidarda.github.io/articles/artu-goal-models/https://cahidarda.github.io/articles/artu-goal-models/A tool that generates goal models from agile user stories, letting teams benefit from both representations.Mon, 20 Sep 2021 00:00:00 GMTpublication