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Why opposite hues blend through grey and how a third stop fixes it, how two stops at one position make stripes, why a gradient cannot be a border colour, and what causes banding.
Read moreCertain patterns take exponential time against input that almost matches, and that is exactly the input shape most likely to occur for real. Why leaving off the g flag is the usual reason a pattern finds far less than expected, and why a dot matches everything until it is escaped.
Read moreCrawling and indexing are different things, and confusing them is how a page gets stuck in search for ever. The four directives, the four rules, and why crawl budget is probably not your problem.
Read moreLarge images are scaled to fit the canvas, so edge pixels are blends of their neighbours. Why a photograph has no single colour, how JPEG compression shifts values, and when hex or RGB is the better form.
Read moreMechanics, grammar and style are three different jobs. Where false positives cluster, what slips past every checker, and how to take the corrections without losing your voice.
Read moreThis one uses UTF-16 code units and gets two groups; the Binary Translator uses UTF-8 bytes and gets four — both correct, just different encodings of the identical character. Why every group is padded to a fixed width, and why this only converts in one direction.
Read moreA twenty-minute video is comfortable at one frame a second and impossible at every frame, because time and memory scale with frames captured rather than minutes of footage. Why Firefox can occasionally repeat or skip a frame, and why JPEG beats PNG here almost every time.
Read moreThese are Unicode code points that resemble styled letters, not a typeface. Why a styled bio is unusable with assistive technology, why the text is unsearchable, and where the styles run out of characters.
Read moreThe reader is someone in accounts who has never heard of the project. What the document has to carry, line items that avoid a query, and stating the currency and the tax rather than assuming them.
Read moreThe ratio measures light rather than colour, which is why distinct-looking colours fail. Which threshold applies where, why focus rings and placeholders are the usual culprits, and how to fix a failure without redesigning.
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