Developer tutorials: JSON, JWT, Base64 and more.
When data lives as plain text, sorting lines online is the quickest way to order it. Learn line-based sorting, the options you have, and how to do it privately.
AZ Utils Editorial · · 9 min read
Removing duplicates and sorting pair naturally to produce a clean set of unique, ordered entries. Learn how to do both at once and what counts as a duplicate.
AZ Utils Editorial · · 9 min read
Reversing, recasing, trimming, find-and-replace, splitting and joining - the core text manipulation techniques and how to combine them to solve real tasks.
AZ Utils Editorial · · 10 min read
To a computer, text is a string of characters. Learn the core string operations - length, indexing, slicing, concatenation, search, replace and reversal.
AZ Utils Editorial · · 10 min read
Lines of code is intuitive but subtle. Learn physical vs source lines, where LOC is useful, and why it is a poor — and easily gamed — productivity metric.
AZ Utils Editorial · · 10 min read
camelCase vs PascalCase — the one-letter difference and what it signals, where each is used in code, and why following the convention matters.
AZ Utils Editorial · · 9 min read
snake_case explained — lowercase words joined by underscores, used in Python, databases and (as SCREAMING_SNAKE_CASE) for constants.
AZ Utils Editorial · · 9 min read
kebab-case explained — lowercase words joined by hyphens, the standard for URLs, CSS classes and file names, and why hyphens beat underscores for SEO.
AZ Utils Editorial · · 9 min read
All the programming case conventions in one place — camelCase, PascalCase, snake_case, SCREAMING_SNAKE_CASE and kebab-case — and how to choose.
AZ Utils Editorial · · 10 min read
