NIO基于长度域的报文在Netty下的解码 1,先复习一下粘包/拆包 1.1,粘包/拆包的含义 TCP是个“流”协议,并不了解上层业务数据的具体含义,它会根据TCP缓冲区的实际情况进行包的划分,所以在业务上认为,一个完整的包可能会被TCP拆分成多个包进行发送,也有可能把多个小的包封装成一个大的数据包发送,这就是所谓的TCP... netty 2023-07-06 43 点赞 0 评论 65 浏览
matlab未定义sqrt,MATLAB编程运行出现“未定义函数或变量 "norm" ” 请问如何... %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%5function Red=mm_Red(data)%盲目约简算法,返回值为约简结果[data_c,data_r]=size(data);Red=data;Red(data_c+1,data_r)=0;... matlab未定义sqrt 2023-05-25 43 点赞 0 评论 65 浏览
DB2和 Oracle的并发控制(锁)的比较 1引言 在关系数据库(DB2,Oracle,Sybase,Informix和SQLServer)最小的恢复和交易单位为一个事务(Transactio Oracle 2022-04-18 96 点赞 1 评论 145 浏览