摘要：有师妹问浮点数比较的问题，然后有人展示了可以“正常”比较的例子，google了一堆东西如下，有空仔细读一读，整理整理http://bytes.com/topic/c/answers/629184-peculiar-floating-point-numbers-gcchttp://stackoverflow.com/questions/3765200/gcc-handling-float-comparison-differently-at-different-optimization-levelshttp://randomascii.wordpress.com/category/floating 阅读全文

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摘要：A. Theatre SquareTheatre Square in the capital city of Berland has a rectangular shape with the size n × m meters. On the occasion of the city's anniversary, a decision was taken to pave the Square with square granite flagstones. Each flagstone is of the size a × a.What is the least nu 阅读全文

摘要：P33 Bugs are by far the largest and most successful class of entity, with nearly a million known species. In this respect they outnumber all the other known creatures about four to one. —Professor Snopes' Encyclopedia of Animal LifeP34作者再一次以无比严谨的八卦态度考证了程序员经典都市传奇之：Fortran对identifier的宽松约束导致的NASA轨道 阅读全文

摘要：P4: 好梗！There is one other convention—sometimes we repeat a key point to emphasize it. In addition, we sometimes repeat a key point to emphasize it.P5：UCB的UNIX文档里，tunefs命令的说明有一个叫Bugs的模块，最后一句吐槽道： You can tune a file system, but you can't tune a fish. （tunefs = tune a fish = tuna fish，来自于REO Speedw 阅读全文