Developer Tools Guides & Tutorials
4 Developer Tools guides and tutorials - practical usage, common errors and worked examples.
4 guides in this category
Converting Naming Styles: snake_case, camelCase, Constants
Converting snake_case to camelCase looks trivial until sha256Sum becomes sha_256_sum. Word boundaries, generated field names, nullables and type fallbacks.
Time and Scheduling: cron Fields, Timezones, Dates
cron treats day-of-month and day-of-week as OR, a timestamp carries no timezone, and 30 February must be rejected explicitly. Three time problems, three causes.
Generate API Types: JSON to TypeScript and SQL to Entities
Turn API responses into TypeScript types and CREATE TABLE statements into Java or C# entities, then unify naming. Includes type mapping and nullable pitfalls.
Unix Timestamp Conversion: Seconds, Milliseconds and 2038
Convert Unix timestamps correctly. Learn what 10, 13, 16 and 19-digit values mean, why timezones never affect a timestamp, and how the 2038 bug still bites.
Tools in this category
Convert Unix timestamps to dates and back — 10-digit seconds or 13-digit mill…
Open tool →Cron GeneratorVisual cron expression generator and parser
Open tool →JSON to TypeScriptGenerate TypeScript interfaces from JSON
Open tool →Case ConverterConvert to camelCase, PascalCase, snake_case, kebab-case
Open tool →SQL to EntityGenerate Java / C# / TypeScript entities from CREATE TABLE
Open tool →Text DiffSide-by-side line diff with add/delete highlight
Open tool →