摘要:
1、创建测试矩阵 > rname <- paste0("r",1:4) > rname [1] "r1" "r2" "r3" "r4" > cname <- paste0("c",1:5) > cname [1] "c1" "c2" "c3" "c4" "c5" > a <- matrix(1:20 阅读全文
摘要:
>>> list(range(10)) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> list(range(1,10)) [1, 2, 3, 4, 5, 6, 7, 8, 9] >>> list(range(1,11)) [1, 2, 3, 4, 5, 6, 7, 8, 9, 阅读全文
摘要:
实验一共需要三台主机完成: PC1:192.168.10.10 PC2:192.168.10.20 PC2:192.168.10.30 1、测试三台主机网络连通性 [root@PC1 ~]# ifconfig | head -n 3 eno16777728: flags=4163<UP,BROADC 阅读全文