Tech Notes
62 articlesMissing comma in JSON? Locating the error, minifying and escaping
Hand-written JSON configs throw syntax errors with no obvious location, and API responses often arrive minified into one line. This note covers common invalid forms, the exact error messages two tools produce, how to convert line and column numbers, and measured indentation size differences plus escaping layers on a 191-key sample.
Auto-increment IDs leak order volume: the real cost of switching to UUID
Auto-increment IDs expose business volume, but UUIDs bring collision odds and index storage costs. This note covers 122 random bits, birthday-bound collision math, how v4 differs from v1, and how to choose a primary key.