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Index: W

warnings

Apache::Registry module, configuring to honor: 17.3.1. Installation and Configuration
checking with -w flag: 15.3.1. Check Syntax
mod_perl, use with: 17.3.2. mod_perl Considerations
Perl syntax checker: 15.1.4. "Malformed" Header
turning on in perl: 1.2.1. Sample CGI

WDDX (Web Distributed Data Exchange): 7.3.1. WDDX

example: 7.3.2. Example
SDK, downloading: 7.3.1. WDDX

web agent, writing with LWP: 14.1.3. LWP

web applications, creating with JavaScript: 7. JavaScript

web browsers

caching: 2.5.2. Caching

CGI script output: 5.3.1.3. Caching
discouraging with Expires header: 13.2.1. An Example

certificates, information about: 3.2.1. CGI Environment Variables

checking for media formats supported (example script): 3.4.1. Check the Client Browser

clients, representing: 14.1. Communicating with Other Servers

compatibility with JavaScript bookmarklets: 7.4.1.1. Compatibility

handling standard for: 11.3. Client-Side Cookies
with same name but different domains or paths, distinguishing: 11.3.1. Setting Cookies

environment variables, providing: 3.2.2. Examining Environment Variables

errors, server status codes for: 2.4.1. The Status Line

fatal error messages, displaying: 5.5.2. CGI::Carp

6.4.5.1. Embperl handler
15.2.4. Trap die

HTML display specifying for (lacking JavaScript support): 5.3.2.1. start_html

HTTP and: 2. The Hypertext Transport Protocol

request/response cycle: 2.2.1. The Request and Response Cycle

requests: 2.3. Browser Requests

4.1. Sending Data to the Server

identification by servers, proxies and: 2.5. Proxies

image format sepcifications: 2.6.1. Media Type

invalid requests due to bad syntax: 3.3.1.3. Specifying status codes

JavaScript 1.2, support for: 7.2.1.3. Validation example

PNG images, support for: 13.1.2. PNG

response from web server (example): 1.2. Introduction to CGI

trusting, security risks of: 8.2.5. Trusting the Browser

configurability of browsers: 8.2.5. Trusting the Browser

URLs, saving as bookmarks: 7.4.1. Bookmarklet Basics

User-Agent field, identifying with: 2.3.2.5. User-Agent

variable values, dumping to: 15.3.4. Dumping Variables

View Source option for HTML source code: 11.2. Hidden Fields

web document personalization with cookies: 11.3. Client-Side Cookies

web, history of: 1.1. History

web pages, embedding Java in: 1.3.2. Alternatives to CGI

web security, importance of: 8.1. The Importance of Web Security

web servers: 2.2.1. The Request and Response Cycle

(see also servers)

Apache web server, support for PHP language: 1.3.2. Alternatives to CGI

cgi-bin diretory: 1.2. Introduction to CGI

CGI programs

configuring for: 1.4.1. Configuring CGI Scripts

CGI scripts

mapping virtual directory to: 1.2.2. Invoking CGI Scripts

configuring for CGI: 1.4. Web Server Configuration

copy running on a separate port for developers: 16.1.1. Plan for Future Growth

decoding form input: 4.3. Decoding Form Input

development, sharing by developers: 16.1.1. Plan for Future Growth

hosts: 2.1.1. Elements of a URL

name and version (Server field): 2.4.2.8. Server

perl interpreter, embedding within: 1.3.2. Alternatives to CGI

response to web browser (example): 1.2. Introduction to CGI

status codes: 2.4.1. The Status Line

users, running as: 9.4.1. Command-Line Options

web site content, mapping to directories on: 16.1.2. Use Directories to Organize Your Projects

web sites

enabling SSI for all .shtml files: 6.2.1. Configuration

growth, CGI application development and: 16.1.1. Plan for Future Growth

searching: 12. Searching the Web Server

fgrep command: 12.1. Searching One by One
grep command: 12.2. Searching One by One, Take Two
inverted index search: 12.3. Inverted Index Search

well-formed XML documents, parsers and: 14.5. CGI Gateway to XML Middleware

whats_related.cgi script (example): 14.5. CGI Gateway to XML Middleware

while loops

database records, returning with: 10.4.1.3. Database querying
processing code, one line at at time: 17.1.4. Avoid Slurping

whitespace in code, guidelines for: 16.2. Coding Guidelines

wildcard characters

globbing: 12.1. Searching One by One
matches (*/*) in Accept header: 5.2.1.1. Accept
in select command: 10.3.3. Accessing Data

Win32 from ActiveState: B.1.1. Installing Modules

Perl debugger: 15.3.5.3. ActiveState Perl debugger
using PPM: 10.4.1. Using DBI

Windows operating system

carriage return line feed, (CRLF), use of: 3.3.1.1. Outputting documents
ColdFusion language and: 1.3.2. Alternatives to CGI
Netscape browsers sending paths to files as filenames: 5.2.4. File Uploads with CGI.pm
Perl slowness vs. Unix: 1.3.1. Why Perl?

words

index file, checking for previous occurrence of: 12.3. Inverted Index Search
prefixes, removing: 12.3. Inverted Index Search
suffixes, automatic removal of: 12.3. Inverted Index Search

world access bit, setting for CGI application execution: 15.1.1. Application Permissions

World Wide Web (see WWW)

WRAP attribute: 4.2.5. The <TEXTAREA> Tag

wrapped text in text boxes, placing: 13.4.1. GD::Text

write permission: 10.1.2. Write Permissions

writing chunks of data: 5.2.4. File Uploads with CGI.pm

writing XML parser: 14.4. Writing an XML Parser

WWW-Authenticate header: 2.3.2.4. Authorization

2.4.2.10. WWW-Authenticate
401 status code responses and: 3.3.1.3. Specifying status codes

WWW Consortium website for HTTP: 2. The Hypertext Transport Protocol

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