Guides, tutorials and tips to get the most out of our tools.
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
Word count and line count measure different things. Learn when each is the right metric — prose vs poetry, code and data — and how they work together.
AZ Utils Editorial · · 9 min read
Counting lines sounds simple until you ask what a line is. Learn hard vs wrapped lines, why you count line breaks, and the quickest ways to count accurately.
AZ Utils Editorial · · 9 min read
A palindrome reads the same backwards as forwards. Explore palindromes, their deep link to reversal, famous examples, and how to check one accurately.
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
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
Reversed text powers word games, puzzles and secret messages - and quietly teaches spelling, attention and how computers handle text. Explore both sides.
AZ Utils Editorial · · 9 min read
Text reversal rewrites characters in the opposite order. Learn what it is, the difference between reversing characters and words, where it is used, and how it works.
AZ Utils Editorial · · 9 min read
Long lists defeat manual handling. Learn to treat them as data and apply three scalable operations - sort, deduplicate, clean - to keep big lists manageable.
AZ Utils Editorial · · 10 min read
