miniSQL buffer manager 以block (4k)为基础的从disk到main memory的buffer，CPP，全自动的，高度封装，无需其他模块帮助，即已经实现dirty，LRU 替换等功能-miniSQL buffer manager based on blocks which is 4k size, in cpp, high ziped, need no assistance from other module to implement the LRU replacem

使用有线差分方法，计算一杯水冷却的过程。程序中对模块进行了很好地封装，可以作为学友有限差分用。-Wired difference method to calculate the cooling process of a glass of water. Program module package, can be used as a buddy for finite difference.