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Password security is a tricky thing. Users prefer simple passwords that are easy to remember (like buddy), but such passwords are often insecu... 阅读全文
posted @ 2017-04-12 19:28
南风古
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Problem Description If you ever tried to read a html document on a Macintosh, you know how hard it is if no Netscape is installed. Now, who c... 阅读全文
posted @ 2017-04-12 15:29
南风古
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Because of the wrong status of the bicycle, Sempr begin to walk east to west every morning and walk back every evening. Walking may cause a li... 阅读全文
posted @ 2017-04-12 14:38
南风古
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A Fibonacci sequence is calculated by adding the previous two members the sequence, with the first two members being both 1. F(1) = 1, F(2) = ... 阅读全文
posted @ 2017-04-12 14:11
南风古
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