Insights
Practical guides on AI coding agents, LLM costs, websites and custom software: what we built, what it cost and what we would do differently.
Articles tagged Web development
An audio version of a long page now costs minutes to produce, which makes it an accessibility measure rather than a premium feature. Who it helps, what the EAA asks and how to build it.
A demo becomes a handout when nobody can run its tests. Here are the money invariants worth asserting, and the scaffolding that lets a reviewer clone the repository and watch the ledger prove itself.
A config file has callers, a contract and a failure mode. Validate it before the write, replace it atomically, control concurrent writers, keep history and explain every key.
A balance column drifts the moment two writers touch it. Store the entries, derive the balance, lock the row inside the transaction, and correct mistakes with reversals instead of edits.
Add Google Calendar booking on your own website with no booking SaaS: free slots from free/busy, double-booking checks, reminders and Meet links.
A git-based CMS keeps content as files in Git, so your site needs no database. See how danubelabs.net works, what the limits are and who it suits.
Embedding a client's live site in your portfolio is a great demo, until X-Frame-Options or a Content-Security-Policy quietly blanks the frame. A practical guide.
