目录前言mysql函数简介数学函数1.绝对值函数ABS(x)和返回圆周率的函数PI()2.平方android根函数SQRT(x)和求余函数MOD(x,y)3.获取整数的函数CEIL(x)、CEILING(x)和FLOOR(x)4.获取随机数的函数RAND()和
I hav开发者_如何转开发e seen this behavior on Windows with Ruby for a long time. If I install a gem sometimes the command line will just get \"lost\" and stop printing output until you go back to the