FCC高级编程篇之Record Collection

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FCC高级编程篇之Record Collection

Record Collection You are given a JSON object representing a part of your musical album collection. Each album has several properties and a unique id number as its key. Not all albums have complete information. Write a function which takes an album's…

FCC高级编程篇之Validate US Telephone Numbers

Validate US Telephone Numbers Return true if the passed string is a valid US phone number. The user may fill out the form field any way they choose as long as it is a valid US number. The following are examples of valid formats for US numbers (refer…

FCC高级编程篇之Make a Person

Make a Person Fill in the object constructor with the following methods below: getfirstname() getLastName() getFullName() setFirstName(first) setLastName(last) setFullName(firstAndLast) Run the tests to see the expected output for each method. The me…

FCC高级编程篇之Exact Change

Exact Change Design a cash register drawer function checkCashRegister() that accepts purchase price as the first argument (price), payment as the second argument (cash), and cash-in-drawer (cid) as the third argument. cid is a 2D array listing availa…

FCC高级编程篇之Symmetric Difference

Symmetric Difference Create a function that takes two or more arrays and returns an array of the symmetric difference (△ or ⊕) of the provided arrays. Given two sets (for example set A = {1, 2, 3} and set B = {2, 3, 4}), the mathematical term "symmet…

(十三) [终篇] 一起学 Unix 环境高级编程 (APUE) 之网络 IPC：套接字

. . . . . 目录 (一) 一起学 Unix 环境高级编程 (APUE) 之标准IO (二) 一起学 Unix 环境高级编程 (APUE) 之文件 IO (三) 一起学 Unix 环境高级编程 (APUE) 之文件和目录 (四) 一起学 Unix 环境高级编程 (APUE) 之系统数据文件和信息 (五) 一起学 Unix 环境高级编程 (APUE) 之进程环境 (六) 一起学 Unix 环境高级编程 (APUE) 之进程控制 (七) 一起学 Unix 环境高级编程 (APUE)…

unix环境高级编程基础知识之第二篇（3）

看了unix环境高级编程第三章,把代码也都自己敲了一遍,另主要讲解了一些IO函数,read/write/fseek/fcntl:这里主要是c函数,比较容易,看多了就熟悉了.对fcntl函数讲解比较到位,它可以得到和改变打开文件的属性(只读,只写等等,注意后面和stat区别),下面记录了自己在学习的时候一些命令及概念,供学习使用: ls 命令的含义是list显示当前目录中的文件名字.注意不加参数它显示除隐藏文件外的所有文件及目录的名字. 1)ls –a 显示当前目录中的所有文件,包含隐藏文件. 2…