Guides
Reference material on the formats and conventions behind each tool, written for when you need to understand why, not just run the tool.
Aug 10, 2026
Markdown to HTML: what actually happens under the hood
How a Markdown parser actually works: block-level structure first, inline formatting second, and the blank-line and code-fence rules that trip people up.
Aug 14, 2026
Why "word count" isn't as simple as counting spaces
Hyphenated words, stray whitespace, and punctuation joined to words all make "split on spaces" an unreliable way to count words. Why different tools disagree.
Aug 18, 2026
Where Lorem Ipsum actually comes from (and why it's still used)
The real history behind "Lorem ipsum dolor sit amet": a scrambled passage of Cicero, five centuries in print, and why designers still prefer meaningless filler text.
Sep 24, 2026
Title case rules: how AP, Chicago, and APA disagree
Which words to capitalize in a title depends on the style guide. The rules every style shares, where AP, Chicago, and APA differ, and the tricky cases.
Sep 24, 2026
camelCase, snake_case, kebab-case: which naming convention goes where
The common programming case styles, which languages and contexts use each one, why hyphens can't be in variable names, and how to handle acronyms.
Sep 24, 2026
Regex find and replace: a practical cheat sheet
The regular expression building blocks, capture groups and $1 references, eight ready-to-use recipes for cleaning up text, and the most common mistakes.
Sep 24, 2026
Why file10 sorts before file2 (and how natural sorting fixes it)
How alphabetical sorting compares text character by character, what natural sort does differently, the zero-padding workaround, and how case and accents affect order.
Sep 24, 2026
How diff tools work: longest common subsequence and Myers' algorithm
What a diff is actually computing, how the longest common subsequence and Myers' algorithm find the smallest set of changes, and why line and word diffs differ.