Feb. 17, 2025
More than 95% of the world’s data is private-either enterprise or personal. We can feed that data to LLM.
RAG is built on a simple idea: LLMs are becoming the core of a new operating system, and integrating private data from external sources is key for processing. That’s the driving force behind RAG.
RAG stands for Retrieval, Augmented, and Generation, and it works in three main steps: Indexing, Retrieval, and Generation.
Mar. 5, 2024
A long time ago, like in a fairy tale, when I was an intern, my environment and I would always use DELETE on data, especially in relational databases. After a long journey to the west (moving to my current company), I gained knowledge about soft delete. It became an addiction, and now I wonder–what the hell is delete? I hate delete! 🤬.
Why do I hate deleting data from my database? Well, not entirely–I have a love-hate relationship with it. It comes a lot of pain points, such as:
Feb. 27, 2024
I’m curretly joining to new project after finishing my previous one. I work at software house with multiple teams, each consisting of small number of members (5 engineers-either backend or frontend). The project leader has assigned me the task of exploring the concept of Event Sourcing. Since our project team is small, I need to design an Event Sourcing system that can be easily maintained by a small team. Additionally, the system must preserve historical data, enabling us to view user information based on its state over time.
Feb. 14, 2024
Before to the best practice of me to handle passwords in my projects. I have always heard that “we need to encrypt our password”, but the definition is completely wrong. Actually, we don’t need to encrypt our password. Maybe my argument will make people angry: “so you can know my password if you don’t encrypt it”. No, otherwise, I will know your password if I encrypt it. Hmm why? That’s why you need to know about encryption and hashing.