The Blind Index: Prefix Search Without Plaintext
How to build prefix-search over encrypted messages in Postgres using blind indexing and n-gram tokens, without storing any plaintext.
The Boring Answer to MCP Context Bloat
How to build prefix-search over encrypted messages in Postgres using blind indexing and n-gram tokens, without storing any plaintext.
Searchable PII Encryption in Postgres
How we encrypted PII so a leaked database dump reveals nothing, while prefix search, sorting, and filtering all kept working.
Boost your Image Classification Model
Techniques for improving deep learning image classifier accuracy: progressive resizing, transfer learning, mixup augmentation, and test-time augmentation.
Metrics to Evaluate Your Machine Learning Algorithm
A practical guide to the most important evaluation metrics for ML models and when to use each one.
Training a Deep Learning Model on Handwritten Characters using Keras
Building a labeled dataset from handwritten character images and training a deep learning model with Keras from scratch.