Why word count is only one editing signal
A count can answer how long a draft is, but it cannot decide whether the draft is clear, original, accurate, or satisfying.
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Understand the formats, browser APIs, and small workflows behind common online tasks. Each guide explains when a tool helps, where it stops, and what to check before using the result.
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Open a tool, test a small example, and read its limitations before working with important data.
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Explanations before shortcuts
New articles are reviewed before publication.
Why Markdown previews can differ between platforms
Markdown is a family of related parsers and extensions, so a preview must be interpreted as a helpful approximation unless it uses the target platform’s renderer.
Read articleHow to test a regular expression without overclaiming what it validates
A passing sample demonstrates one behavior. It does not prove that a pattern fully validates every possible input in a production system.
Read articleHow to choose stable URL slugs without breaking existing links
A readable slug is useful, but changing an established URL can create broken links and lost references if redirects are not planned.
Read articleHEX and RGB colors: what the numbers actually represent
HEX and RGB are two ways to write the same kind of channel values in the common sRGB web workflow.
Read articleUnix timestamps, UTC, and local time: how to avoid log confusion
A timestamp identifies an instant, while a displayed date includes a time-zone interpretation. Confusing the two can make correct logs appear inconsistent.
Read articleURL encoding: components, query strings, and common mistakes
Many URL bugs are caused by treating a complete URL and a single query value as if they require the same transformation.
Read articleBase64 is encoding, not encryption: practical uses and limits
Base64 is useful when bytes must be represented as text, but it should never be described as a way to keep a secret.
Read articleHow to validate JSON before using an API response
A valid JSON document is syntactically parseable, but syntactic validity is only the first step in checking an API payload.
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