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转载 Bind系统调用
Bind含义 一条tcp/udp 连接一般是有五元组进行标识的 {<proto>, <src addr>, <src port>, <dst addr>, <dst port>} Bind一般是在server端调用,通过bind,会把本端的地址和端口号与socket描述符进行绑定,而目的地址和端口在conn...
2016-12-04 16:27:00
437
转载 Plai 5: Adding functions to languae
#lang plai-typed (define-type ExprC [numC (n : number)] [idC (s : symbol)] [plusC (l : ExprC) (r : ExprC)] [multC (l : ExprC) (r : ExprC)] [appC (fun : symbol) (arg : ExprC)...
2016-11-02 19:11:00
201
转载 The Root of Lisp
The Root of Lisp 对Lisp类的语言(scheme,racket)的理解非常有帮助。 转载于:https://www.cnblogs.com/memo-store/p/5996064.html
2016-10-25 11:29:00
260
转载 Plai 2: Everything about parser
plai-type 的parser, 不得不说lisp语言还是擅长处理括号表达式,而且其list 的member允许类型不同,但是说真的,还是不怎么喜欢lisp。 #lang plai-typed (define-type ArithC [numC (n : number)] [plusC (l : ArithC) (r : ArithC)] [multC (l...
2016-10-22 13:41:00
213
转载 How to run PLAI code
Recently I am learning the interpretor so I start to read PLAI(Programing Languages: Application and interpretation). However, for a noob of functional language, such like Scheme, Racket,... it...
2016-10-10 22:57:00
165
转载 Linux 不同时钟的区别
在Linux内核中,我们可以发现主要有这么几种不同类型的时钟(clock): CLOCK_REALTIME CLOCK_MONOTONIC CLOCK_MONOTONIC_RAW CLOCK_BOOTTIME CLOCK_REALTIME,可以理解为wall time,即是实际的时间。用户可以使用命令(date)或是系统调用去修改。如果使用了NTP, 也会被NTP...
2016-07-10 18:13:00
461
转载 Generic netlink howto
1. Registering a family Registering a family is including four steps: define the family, define operations, register the family, register the operations. Define the family, is just creating a...
2016-05-25 23:40:00
140
转载 Vim configuration & usage memo
1. vim cstags&cscope auto load tags&db For ctags, add following to .vimrc set tags = tags;/ Or using this set tags=tags; set autochdir Note that, the semicolon(;) is ne...
2016-05-24 22:20:00
115
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