Blocks form chains, which are called “Blockchains.”
now ‘it was in there’ isn’t actually very useful in the real world. you toss the algorithm at 4TB of logs and it tells you “yes it’s somewhere in there” - cool, then what. what matters in the real world is where the matches are, and what is around those matches. for that we mark positions during matching, not after. also quite simple to grasp:。业内人士推荐heLLoword翻译官方下载作为进阶阅读
The function intention is to check whether directory is the prefix，这一点在同城约会中也有详细论述
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