GitHub Daily Series #30: Codd's Relational Model, Option Pricer, and Russian Content on March 14
As of 2026-03-14 13:43 JST: 5 repositories active (3 newly created), 11 commits, and 30,483 added lines across relational algebra, option pricing, documentation, language learning, and private work.
This is episode 30 of the GitHub daily series, covering GitHub work on March 14, 2026 (JST), with data captured at 13:43 JST.
Snapshot so far: 5 repositories active (3 newly created), 11 commits, +30483 / -20910 lines changed, with 8 PushEvents and 3 CreateEvents.
codd-relational-model was launched with 3 commits (+1661 / -62), implementing all relations and operations from E.F. Codd's 1970 paper 'A Relational Model of Data for Large Shared Data Banks' as a SQLite database, then adding a Rust implementation of Codd's relational algebra. Repo: https://github.com/nktkt/codd-relational-model
euro-option-pricer was launched with 1 commit (+3544), delivering a production-grade European option pricing engine in C++ and Rust with Black-Scholes and Greeks. Repo: https://github.com/nktkt/euro-option-pricer
themithril was launched with 4 commits (+23437 / -19394) as the documentation site for Euro Option Pricer, built with Next.js, shadcn, and Motion, deployed on Cloudflare Workers via @opennextjs/cloudflare. Repo: https://github.com/nktkt/themithril
russian-learning continued with 2 commits (+1095 / -70), expanding to 180+ phrases, 8 grammar topics, and 400+ quiz questions, plus bug fixes. Repo: https://github.com/nktkt/russian-learning
[Private] Repository A: 1 commit, +746 / -1384 lines.