Hacker News on 30 September 2018

• Questions
• Ask HN: What are the best textbooks in your field of expertise?
• How companies use fake sites, backdated articles to censor Google results (2017)
• Growing Our SaaS to $1M+ ARR: 7 People, 3 Years, No VC Money
• Tiddlywiki – A non-linear personal web notebook
• A cache invalidation bug in Linux memory management
• Operating Systems: Three Easy Pieces
• Please Google, let us revert to the classic Gmail look
• Plans for the Next Iteration of Vue.js
• Molten: A modern Python (3.6+) web framework