With the advent of the World Wide Web, the Internet gained tremendous popularity. This greatly increased the volume of requests users made for information from Web sites. It became evident that the degree of interactivity between the user and the Web site would be crucial. The power of the Web resides not only in serving content to users, but also in responding to user requests and generating Web content dynamically.

In this chapter, we discuss specialized softwarecalled a Web serverthat responds to client (e.g., Web browser) requests by providing resources (e.g., XHTML[1] documents) for display on clients. For example, when a user enters a Uniform Resource Locator (URL) address, such as, into a Web browser, the user is requesting a specific document from a Web server. The Web server maps the URL to a file on the server (or to a file on the server's network) and returns the requested document to the client. During this interaction, the Web server and the client communicate through the Hypertext Transfer Protocol (HTTP), a platform-independent protocol for transferring requests and files that answer those requests over the Internet (i.e., between Web servers and Web browsers).

[1] The Extensible HyperText Markup Language (XHTML) has replaced the HyperText Markup Language (HTML) as the primary way of describing Web content. Readers not familiar with XHTML should read Appendix J, Introduction to XHTML, before reading this chapter.

Our Web server discussion introduces the Apache HTTP Server. For illustration purposes, we use Microsoft's Internet Explorer Web browser to request documents and, later, to display content returned from "CGI scripts." We discuss the Apache HTTP Server and CGI scripts in Section 19.5 and Section 19.7, respectively.

Introduction to Computers, the Internet and World Wide Web

Introduction to C++ Programming

Introduction to Classes and Objects

Control Statements: Part 1

Control Statements: Part 2

Functions and an Introduction to Recursion

Arrays and Vectors

Pointers and Pointer-Based Strings

Classes: A Deeper Look, Part 1

Classes: A Deeper Look, Part 2

Operator Overloading; String and Array Objects

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism


Stream Input/Output

Exception Handling

File Processing

Class string and String Stream Processing

Web Programming

Searching and Sorting

Data Structures

Bits, Characters, C-Strings and structs

Standard Template Library (STL)

Other Topics

Appendix A. Operator Precedence and Associativity Chart

Appendix B. ASCII Character Set

Appendix C. Fundamental Types

Appendix D. Number Systems

Appendix E. C Legacy Code Topics

Appendix F. Preprocessor

Appendix G. ATM Case Study Code

Appendix H. UML 2: Additional Diagram Types

Appendix I. C++ Internet and Web Resources

Appendix J. Introduction to XHTML

Appendix K. XHTML Special Characters

Appendix L. Using the Visual Studio .NET Debugger

Appendix M. Using the GNU C++ Debugger


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C++ How to Program
C++ How to Program (5th Edition)
ISBN: 0131857576
EAN: 2147483647
Year: 2004
Pages: 627
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