Building a two-level diff (lines, then words inside changed lines) with plain LCS instead of Myers, why a 5-million-cell guard matters more than the algorithm, and why text pulled out of a PDF lights up as entirely rewritten when nothing changed.
I maintain a small online text diff that
people mostly use for contracts, price lists and CVs, not code. Its search traffic
told me something I had not designed for: the queries were "compare two Word
documents", "compare 2 text files online", "compare two PDF documents".
Nobody arrives holding two strings. They arrive holding two files.
Code reviews, configuration changes, and debugging sessions demand precise understanding of what...
A few months ago I was helping a friend review a revised freelance contract. The client had "made...
Building RAG pipelines, the step that kept letting me down was the very first one: turning a PDF into...
I had a text-compare tool that asked people to compare two things it would not show them at the same...
If you've ever had someone send you two PDF files and ask "what changed?", you probably know how this...
The problem Every time I needed to compare two video renders, two exported images, or two...
