RAG Chunking Strategies and Chunk Size Trade Offs for Technical Docs
For technical documentation in a retrieval augmented generation system, split text along its natural structure, such as headings, sections, and code blocks,...
Blog
All troubleshooting articles, newest first.
AI Agent Guardrails and Output Filtering for Customer Facing Assistants
Guardrails for a customer facing AI assistant work best as layers: restrict what the system can do through tool permissions, check inputs and outputs for...
LLM Evaluation Datasets and Regression Testing for Production Prompts
To change a production prompt or model safely, build an evaluation dataset of realistic inputs with expected outcomes, score outputs automatically, and run the...
Password Hashing Algorithm Selection and Work Factor Tuning
Store passwords with a slow, salted, purpose-built hashing algorithm, not a fast general hash. Argon2id is the usual first choice for new systems, with scrypt,...
Brute Force Protection and Rate Limiting for Login Endpoints
Protect login endpoints with layered defenses: rate limit by account and by source, slow down repeated failures progressively, require multi-factor...
TLS Configuration Best Practices for Public Web Servers
A solid TLS configuration for a public web server enables TLS 1.2 and 1.3, disables older protocols, uses modern cipher suites, automates certificate renewal,...
CORS Configuration Best Practices for Browser Facing APIs
CORS, or Cross-Origin Resource Sharing, lets a server tell browsers which other origins may read its responses. Best practice is to allow only specific,...
MySQL utf8mb4 Collation Choices and Index Performance
In MySQL, always use utf8mb4 for text, since the older utf8 alias supports only three bytes per character and cannot store all Unicode, including emoji. The...
MySQL Online Schema Changes Without Locking Large Tables
Many schema changes on large MySQL tables can run online with InnoDB's native online DDL, using ALGORITHM=INPLACE or INSTANT and an explicit LOCK clause so the...