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得之我幸失之我命

when someone abandons you，it is him that gets loss because he lost someone who truly loves him but you just lost one who doesn’t love you.

新 case 分支

2022-11-28 | sh

bash 的多选复合命令称为 case，它的语法规则如下所示：

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case word in
    [pattern [| pattern]...) commands ;;]...
esac

shell 实现随机数

2022-11-28 | sh

需要在脚本里实现整一个随机数作为 ut 乱序执行 case 的种子

以下是 linux 中四种常见获得随机整数的方法，除了第一个，后三个，产生随机数的伪数据来源，都与 /dev/random 设备有关

gtest 的事件

2022-11-28 | ut

gtest 的事件机制有两类基本的意义：

在指定条件和场景前后处理相关数据
提供指定条件和场景前后的结果通知

给 socket 加代理

2022-10-19 | python

Traceback (most recent call last):
File "test.py", line 106, in connect_to_host
client_socket = socket.create_connection((self.id, self.port), 3)
File "/usr/lib/python3.8/socket.py", line 808, in create_connection
raise err
File "/usr/lib/python3.8/socket.py", line 796, in create_connection
sock.connect(sa)
File "/home/username/.local/lib/python3.8/site-packages/socks.py", line 47, in wrapper
return function(*args, **kwargs)
File "/home/username/.local/lib/python3.8/site-packages/socks.py", line 814, in connect
raise GeneralProxyError("Socket error", error)
socks.GeneralProxyError: Socket error: timed out