How to read and write a cron expression (with examples you can copy)
What each of the five fields of a cron expression means, what *, comma, hyphen and slash do, the mistakes that confuse most people and ready-made examples to copy.
Category
A large part of a developer’s daily work is transforming data: validating JSON, converting an image, cleaning up text, comparing two files. In this category we explain the concepts behind those tasks and the tools that solve them.
Many of these tasks can be done directly in the browser with AIMRAN Tools. When that is the case we say so; when a command-line tool or a library is the better option, we say that too.
What each of the five fields of a cron expression means, what *, comma, hyphen and slash do, the mistakes that confuse most people and ready-made examples to copy.
JSON syntax rules according to the standard, the five mistakes behind almost every parse failure, and how to validate a file in the browser, terminal or Node.js.
Base64 turns binary data into text so it can travel safely. What it is, how much it grows the size, how to encode in JavaScript, Node.js and the terminal.