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YesClaude, Codex · 6 Feb 2026

it would have taken two weeks with another developer helping me before AI based coding. It took me three or four days by myself

raw_anon_1111 on Hacker News

two weeks with another developer... It took me three or four days

In the thread “How to effectively write quality code with AI”, replying to this comment

Helped: Markdown requirements file and testing items sequentially.

Got in the way: System failed completely when processing 20x more documents.

… I put all of the requirements - that I would have done anyway - into a markdown file and told Claude and Codex to mark off items as I tested each item and summarize what it did. Looking at the amount of work, between modifying the web front end and the new work, it would have taken two weeks with another developer helping me before AI based coding. It took me three or four days by myself. The real kicker though is while it worked as expected for a couple of hundred documents, it fell completely to its knees when I threw 20x documents into the system. …