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It's hacker news jargon, with an etymology something like RTFM (read the fricking manual) -> RTFA (read the fricking article) -> TFA (the fricking article), use
by 6502nerdface 9y ago
It's hacker news jargon, with an etymology something like RTFM (read the fricking manual) -> RTFA (read the fricking article) -> TFA (the fricking article), used as shorthand for "the article."