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qnnnnez

qnnnnez

V2EX member #150207, joined on 2015-12-06 18:13:15 +08:00
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Jun 22, 2020
Replied to a topic by k8ser Linux 如何安全的删除软连接?
3 楼说得没错呀。
unlink 和 rm 没啥区别吧(我还不知道有个程序叫 unlink ),因为 unlink 不能加 -r ?
Aug 11, 2018
Replied to a topic by javaCoder 程序员 TCP 粘包问题浅析及其解决方案
@pangliang 但是 TCP 并不是按报文段序号发 ACK 的。极端一点的情况,你收到一个报文段,但是只从里面读半个段的数据,然后发出确认包,对端系统还得把后半个包给你发过来。

而且建 TCP socket 的时候,明明白白的 SOCK_STREAM。
peek?
Python 读文本文件根本不会读到 \r,三种行尾都会转换成 \n
Jun 17, 2017
Replied to a topic by conight Linux Ubuntu 下网络转发问题
ip route add local 192.168.1.0/24 dev lo
@DeutschXP
你说这是运用语言的能力,我同意,但你说这是逻辑思维能力,就不太对了吧?
你自己想的和你说的不一样,逻辑学上来说,其中一者必定是错的,是逻辑谬误。批判性的思维是一种习惯,你能忽略逻辑谬误,还能去忽悠别人,恰恰是思维能力退化的表现。这是一种潜移默化的影响。
Oct 5, 2016
Replied to a topic by deepkolos 程序员 标识符
标识符=名字
指针=地址

这不是自然科学。

类型系统是编译器的功能。类型信息在编译后就丢弃了。指针的值不含类型信息,因为根本不需要。
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