The hottest Substack posts of Vigneshwarar’s Newsletter

And their main takeaways
181 HN points 09 Apr 23
  1. The current HackerNews ranking algorithm is based on a simple formula involving points, age, and a constant factor.
  2. Proposing a new approach called HackerRank that incorporates PageRank-like scoring for user profiles based on upvotes and takes flagging into account.
  3. Additional ideas for improving the ranking algorithm include considering user submission upvotes, reading time, and website reputation.
3 HN points 18 Sep 23
  1. Retrieval-Augmented Generation (RAG) pipeline can be built without using trendy libraries like Langchain
  2. RAG technique involves retrieving related documents, combining them with language models, and generating accurate information
  3. RAG pipeline involves data preparation, chunking, vector store, retrieval/prompt preparation, and answer generation steps