Ruby入门指南：随Ruby安装的免费教程

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《Ruby入门手册》（Book Of Ruby），由Huw Collingbourne所著，版权归属2009年，根据1988年的英国版权、设计和专利法进行保护。该书作为Ruby语言的基础教程，是Ruby安装目录中的官方资源，无需额外下载即可获取。Huw Collingbourne不仅是本书的作者，同时也是Sapphire Steel Software的科技总监，该公司开发了面向Ruby和Rails的Visual Studio IDE——“Ruby in Steel”以及Adobe Flex的IDE——“Amethyst”。Collingbourne在英国技术领域享有盛誉，他撰写了众多技术文章，包括关于C#、Delphi、Java、Smalltalk和Ruby等编程语言的教程，曾在诸如《Computer Shopper》、《PC Pro》和《PC Plus》等计算机杂志上发表多篇文章。 书中涵盖了Ruby语言的基础知识，适合初学者系统地学习Ruby语法、对象导向编程、类和模块的概念、异常处理、以及Ruby on Rails框架的基础应用。通过阅读这本书，读者将了解到Ruby的简洁优雅和动态特性，包括它的元编程能力，这使得Ruby成为许多开发者喜爱的脚本语言之一。 作为一本实践导向的教材，书中还可能包含实例代码、调试技巧和最佳实践，帮助读者逐步掌握如何编写高效、可维护的Ruby程序。此外，Huw Collingbourne的专业背景和丰富经验为理解复杂的编程概念提供了坚实的支持，使得读者不仅能掌握技术知识，还能了解到如何将其应用于实际项目中。 《Book Of Ruby》是一本全面且实用的Ruby入门指南，无论是想要学习编程的新手还是希望深入了解Ruby语言的开发者，都能从中受益匪浅。通过阅读这本书，读者可以建立起坚实的Ruby基础，并为进一步深入学习Ruby或Ruby on Rails打下坚实的基础。

Ruby 教程 The Book of Ruby

2012-12-31 上传
### Ruby 教程《The Book of Ruby》知识点总结 #### 一、书籍基本信息 - **书名**：《The Book of Ruby》 - **作者**：Huw Collingbourne - **出版年份**：2011年 - **出版社**：No Starch Press - **ISBN-10**：1-...

红宝石小书The Little Book of Ruby

2019-11-15 上传
通过小型独立的示例程序，对Ruby编程进行简单，分步的介绍。

《Ruby语言学习：深入理解The Book of Ruby》

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"《Ruby语言学习》由Huw Collingbourne撰写，全面涵盖了Ruby编程的知识。这本书版权于2009年由Huw Collingbourne主张，根据1988年的英国《版权、设计和专利法案》保护。作者的网站是http://www.sapphiresteel.com/。...

The library requires a class to store information about a book. Set up a class to hold data including title, author, year of publication, and a boolean variable to indicate if the book is in the library or if the book has been taken out. Create a method to load the data for one book. Create another method to display the data for a book. Create another method to check if a book is in the library or not. Write a main program to test your methods.

2023-05-25 上传
Here is a possible implementation of the book class and the main program: ```python class Book: def __init__(self, title, author, year, is_available): self.title = title self.author = author self...

图书馆的书对应的数据类型定义如下： struct book { char name_of_book[100];　//书名 char author[25];　　　　　//作者 }; 编写函数实现：统计某一作者编写了几本书。 然后编写相应的主函数输入若干数据，并调用这个函数实现相应功能。 输入提示："请输入书的数量：\n" 输入格式：%d 输入提示："Please input %d name_of_book and author:\n" 输入格式：%s %s 输入提示："请输入作者的姓名并统计他编写书的数量:\n" 输入格式：%s 输出格式："作者%s编写了%d本书\n" 程序运行结果示例： 请输入书的数量： 5 Please input 1 name_of_book and author: c zhao Please input 2 name_of_book and author: java li Please input 3 name_of_book and author: c++ wang Please input 4 name_of_book and author: vb li Please input 5 name_of_book and author: vc li 请输入作者的姓名并统计他编写书的数量: li li作者编写了3本书

2023-05-25 上传
char name_of_book[100]; char author[25]; }; int count_books(struct book books[], int n, char author[]) { int count = 0; for (int i = 0; i ; i++) { if (strcmp(books[i].author, author) == 0) { ...

Please summarize the main argument of the book <the culture of connectivity》

2023-03-28 上传
The main argument of the book "The Culture of Connectivity" is that the internet and other digital technologies have fundamentally transformed the way we communicate, interact, and understand ...

使用 CREATE TABLE 语句对关系架构进行编码。请注意，这组语句应指定完整性约束：键、关系等。Book 表： ISBN (主键) Title Edition Date of Publication Price Book Description Author 表： Author_id (主键) Author Name Publisher 表： Publisher id (主键) Publisher Name Address AK: Publisher Name + Address Customer 表： Customer_id (主键) Name Mailing Address Phone Number Email Address AK: Credit Card Number and Expiration Date Shipment 表： Tracking Number (主键) Date of Shipment Date of Expected Delivery Order 表： Order Number (主键) Mailing Address Method of Shipment Date and Time of Order Total Price of the Order Promotion 表： Promotion id number (主键) Percentage Discount Points Duration of Promotion (start date and end date) Line Item 表： Book ISBN (外键指向 Book 表) Order Number (外键指向 Order 表) Total price for each book that is ordered Quantity of each item ordered Category 表： Category ID (主键) Category Name

2023-06-11 上传
CONSTRAINT FK_Book_Line_Item FOREIGN KEY (Book_ISBN) REFERENCES Book(ISBN), CONSTRAINT FK_Order_Line_Item FOREIGN KEY (Order_Number) REFERENCES Order(Order_Number) ); CREATE TABLE Category ( ...

book = Book(book_info[0], book_info[1], book_info[2], float(book_info[3]), int(book_info[4])) IndexError: list index out of range具体解决方法

2023-06-07 上传
book = Book(book_info[0], book_info[1], book_info[2], float(book_info[3]), int(book_info[4])) except IndexError: print("book_info 列表长度不足，无法提供正确的参数数量。") ``` 这样，当出现 `...

use java language ,In this project you need to write a book lending system for a Library. The system has different roles for registered users. There are two types of user roles: borrower and lender. Write an IUser interface for library users, with the following UML specification: +----------------------------------+ | <<interface>> | | IUser | +----------------------------------+ | + getName(): String | | + getBook(): int | | + moreBook(int number): void | +----------------------------------+ and a User class that implements IUser and has the following UML specification: +-----------------------------------+ | User | +-----------------------------------+ | - name: String | | - book: int | +-----------------------------------+ | + User(String name, int book) | | + getName(): String | | + getBook(): int | | # setBook(int book): void | | + moreBook(int number): void | | + testUser(): void | +-----------------------------------+ The name instance variable indicates the user name. The book instance variable indicates the number of books borrowed by the user. The setBook method changes the number of books borrowed by the user. The setBook method is protected, not public. This means that only subclasses of the User class can use the setBook method. All the other classes in the system cannot use the setBook method, so they cannot change the number of books borrowed by a user. The purpose of the moreBook method is to increase the number of books borrowed or lent by the user (depending on what kind of user it is) by the number given as argument to the method. The moreBook method of the User class is abstract, since we do not know what kind of role the user is (a borrower borrows books from other users and a lender lend books to other users). Also add to your program a Test class to test your User class. public class Test { public static void main(String[] args) { User.testUser(); } }

2023-05-25 上传
The setBook method is protected, meaning it can only be accessed by subclasses of User. The moreBook method is abstract, as its implementation will depend on the type of user (borrower or lender). ...

Please define a class Book and its data members and member functions ，according to the following description.Don’t implement any member functions. (1) Each book has a title, one or more authors, and an international standard book number (ISBN). (2) Class Book has two constructor: (a) the first should be a default constructor, (b) the second should take two arguments: the title and the ISBN. (3) The authors can be added one by one. (4) For the title and ISBN of a Book，a “set”function and a “get” function are required，Each “set ”function undates the corresponding data member to a new value through its parameters and each “get”function returns the value of the corresponding data member to caller.

2023-06-12 上传
Here is an example implementation of the Book class: ```c++ class Book { private: string title; // the book title vector<string> authors; // the book authors string isbn; // the book ISBN public:...
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