DigitableCourses
Local and account-free. No account, no sign-up: whatever you type into the tools stays in this browser's localStorage and never reaches a server.
Our own counter records page opens and finishes: the address leaves, plus one tenth-of-the-text figure. No cookies, no outside trackers, your IP is not stored, Do Not Track is honoured. How to check that
The portal's own repository is not published, so we do not call it open source. What is open:
The portal lives on donations, paid consultations and requested write-ups, and on Workbench sales.
There are no plans to make the courses paid.
Deployment of 8 November 2026, snapshot 8f78b0c
What has changed on the portal since your last visit.
4 articles on this topic.
How to check a new business requirement before writing code: a requirement as a proved promise, the fspec catalogue created by flang new, a snapshot that keeps an earlier …
How to get a machine-readable answer about a model for CI and an agent with one command, and how to draw a mermaid diagram of types, functions, transitions and promises …
A harness with which you take your own numbers for checking, running examples, printing and calling the printed function, and compare them with a baseline instead of …
How to print a model into TypeScript with flang emit, catch a rule edited behind the model’s back with –check, and order CI steps from the cheap check to the …
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