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C

\c (see control characters)
c command (debugger) : Debugger Commands
-c file test operator : Named Unary and File Test Operators
-C file test operator : Named Unary and File Test Operators
C language : C Traps embedding in Perl : Embedding C and C++ in Perl embedding Perl in : Embedding Perl in C and C++ library functions : Functions Miniperl module for : ExtUtils::Miniperl--Write the C Cod... wrapper programs : Security bugs
/c modifier : Pattern-Matching Operators
C preprocessor : Switches
C programming language When is a Perl CGI program too comp... C/C++ (UNIX, Windows, Macintosh) C/C++ decoding forms in C/C++ C/C++ decoding using libcgi inability to pattern-match : C/C++ decoding using uncgi
C shell (csh) C Shell (UNIX Only) C Shell decoding forms in C Shell (csh) setting environment variables : Server Simulation
-c switch, perl : Switches
C++ programming language Embedding Perl in C and C++ Embedding C and C++ in Perl When is a Perl CGI program too comp... C/C++ (UNIX, Windows, Macintosh) C/C++ decoding forms in C/C++ C/C++ decoding using libcgi
C-style comments (see comments)
C-style logical operators : C-style Logical (Short Circuit) Ope...
Cache-Control header : Cache-Control
cacheout( ) : FileCache--Keep More Files Open Tha...
caching documents : The "Expires" and "Pragma" Headers images : Off-Screen Images and Caching JavaScript code : Including JavaScript Files
cal utility : Main Program
calendar manager Calendar Manager Graphics
call( ) The JSObject Class JSObject.call()
caller function caller Debugger Internals Previous Perl Traps
caller property The caller Property Function.caller Properties
canned queries : GET vs. POST
Cap module : Term::Cap--Terminal Capabilities In...
capitalization The text-transform property Variables uc alphabetical sorting and : String Operators case sensitivity Case Sensitivity Case Sensitivity The Syntax of a Tag The http path Regular expression extensions Pattern-Matching Operators Methods HTML tag attribute : HTML Tag Syntax changing : Pattern-Matching Operators escape sequences for : String literals lc function : lc lcfirst function : lc naming conventions Classes in JavaScript Event Handlers in JavaScript package/module names : Programming with Style toLowerCase(), toUpperCase() Methods String.toLowerCase() String.toUpperCase()
<caption> tags <caption> The <caption> Tag Tags of Contention The <caption> Tag
captions, table : <caption>
caret assertion : Quantifiers bitwise XOR operator Bitwise Operators Awk Traps Bitwise Xor (^) line boundary Nailing Things Down The rules of regular expression matching The fine print matching : The rules of regular expression matching in picture lines : Formats ^= (assignment) operator : Assignment Operators
Carp.pm module Carp.pm Carp--Generate Error Messages
carriage return (\r) Perl (UNIX, Windows, Macintosh) Multipart Forms (see also paragraphs)
Cascading Style Sheets (CSS) Style Sheets and JavaScript Cascading Style Sheets Style Precedence Applying Styles to Documents The pros and cons of external styles quick reference: Cascading Style Sheet Properties Qu... rectangular box model for : The CSS formatting model style properties Style Properties The white-space property style syntax Style Syntax Class inheritance tagless styles (<span>) : Tag-Less Styles: The <span&g...
case and case sensitivity (see capitalization)
case structure : Bare Blocks and Case Structures
cast operator : Explicit Data Type Conversions
cat command : Pipes and the open Command
cbreak option : getc
ceil( ) Math Object Math.ceil()
cellpadding attribute (<table>) Attributes The <table> Tag
cells, table (see tables)
cellspacing attribute (<table>) Attributes The <table> Tag
center attribute (<img>) : Centering an image
<center> tags <center> The <center> Tag
centering (see alignment, text)
CERN server WWW Server Information Faking SSI for the CERN Server configuring SSI for : Configuring SSI for the CERN Server setting up CGI directory for : Running CGI Scripts
CGI (Common Gateway Interface) CGI Overview Other CGI Resources applications (see programs, CGI) CGI data file : The CGI Data File compatibility through : Compatibility Through CGI Scripts cookies : Cookies environment variables : CGI Environment Variables forms Forms in CGI and JavaScript HTML Form Tags modules Should I use the Perl CGI modules t... CGI Modules for Perl 5 Form Creation and Parsing CGI Software official specificiations for : Official Specifications scripts (see programs, CGI) Server Side Includes : Server Side Includes variables and functions : CGI Variables Windows CGI : Windows CGI
CGI Lint Software Developed for the Book CGI Lint--A Debugging/Testing Tool CGI Lint in Action
CGI Lite CGI Lite Multipart Forms Software Developed for the Book
CGI side includes CGI Side Includes CSI Statements and Hidden Fields
cgi-bin directory Where does my Perl CGI program have... Internal Workings of CGI
cgi-lib.pl library : What CGI or WWW libraries are avail...
CGI.BAS library : Visual Basic
cgi.h header file : C/C++ decoding using libcgi
CGI_Main function (VB) : Visual Basic
CGI_Main( ) routine : The Main( ) Routine
char data type : Strings
char method : Graphic Counter
character set, setting : I18N::Collate--Compare 8-bit Scalar...
characters case of (see capitalization) character classes Regular Expressions The rules of regular expression matching deleting : chomp entities for Character Entities Special text characters Character Entities Special Character Encoding Handling reserved and unsafe characters Character Entities getting ASCII values of : ord getting from ASCII values : chr hexadecimal (see hexadecimal characters) literal : The regular expression bestiary metacharacters : The regular expression bestiary octal (see octal characters) prototype : Prototypes reserved/unsafe in URLs : Handling reserved and unsafe characters single-character input : getc special : The rules of regular expression matching whitespace (see whitespace) $[ variable : Global Special Variables
charAt( ) Methods String.charAt()
charset attribute (<meta>) : The charset attribute
chdir function chdir Cwd--Get Pathname of Current Workin...
checkboxes (Checkbox elements) Form Creation and Parsing Radio Buttons and Checkboxes Checkboxes Backward radio and checkbox arrays <input type=checkbox> Checkboxes Checkbox Object Checkbox Object Form Elements Form Element Names and Values Naming Forms and Form Elements Checkbox Checkbox.blur() Checkbox.checked Checkbox.click() Checkbox.defaultChecked Checkbox.focus() Checkbox.form Checkbox.name Checkbox.onclick() Checkbox.onfocus() Checkbox.type Checkbox.value
checked attribute (<INPUT>) Radio Buttons and Checkboxes Quiz/Test Form Application Attributes Attributes Checkboxes
checked property Form Element Names and Values Checkbox.checked Element.checked Radio.checked Properties Properties
checking hosts if online : Net::Ping--Check Whether a Host Is ... MANIFEST file : ExtUtils::Manifest--Utilities to Wr... taint (see taint checking)
checksums : unpack
CheckTree module : File::CheckTree--Run Many Tests on ...
child processes : Forking/Spawning Child Processes
$CHILD_ERROR (see $? variable)
chmod function File Permission Problems chmod
<choice> tag : Quiz/Test Form Application
chomp function Filehandles chomp
chop function Filehandles chop
chown function : chown
chr function : chr
chroot function : chroot
circular bullets: : The type attribute
circular image map areas : The coords attribute
circular references : A Note on Garbage Collection
<cite> tags <cite> The <cite> Tag
class attribute The style and class Attributes The style and class Attributes <a> : The style and class attributes <body> : The style and class attributes <caption> : The style and class attributes <dd> : The style and class attributes <dir> : The style and class attributes <div> : The style and class attributes <dl> : The style and class attributes <dt> : The style and class attributes <form> : The style and class attributes <h#> : The style and class attributes <hr> : The style and class attributes <input> : The style and class Attributes <layer> : The style and class attributes <li> : The style and class attributes <marquee> : The style and class attributes <menu> : The style and class attributes <multicol> : The style and class attributes <ol> : The style and class attributes <option> : The style and class attributes <p> : The style and class attributes <pre> The style and class attributes The style and class attributes The style and class attributes <select> : The style and class attributes <textarea> : The style and class Attributes <th> and <td> : The style and class attributes <tr> : The style and class attributes <ul> : The style and class attributes
class context : Class Context and the Object
class variables (see static variables)
classes Brief Refresher on Object-Oriented ... Class methods Classes in JavaScript Packages, Modules, and Object Classes Brief Refresher on Object-Oriented ... A Class Is Simply a Package Class Context and the Object The JavaClass Object Using the Java System Classes getClass() JavaClass Creating New Objects with Constructors Classes in JavaScript base (see base classes) package tie untie prototype objects : Object Prototypes style Style Classes Class inheritance Defining style classes using as base class : Object-Oriented Scaling Tips
classid attribute (<object>) The classid attribute Attributes
classification properties Classification Properties The white-space property
CLASSPATH variable : Compiling applets that use the JSOb...
clean-up : onLoad() and onUnload() Event Handlers
clear( ) Document.clear() Methods
clear atttribute (<br>) The clear attribute Attributes
clear button (see reset button)
clear images (see transparency)
CLEAR method : Tying Hashes
clear property : The clear property
clearallcache( ) : Benchmark--Check and Compare Runnin...
clearcache( ) : Benchmark--Check and Compare Runnin...
clearTimeout( ) Methods Window.clearTimeout()
click( ) : Element.click()
clickable image maps Image Maps The ismap and usemap attributes Mouse-Sensitive Images Effective Use of Mouse-Sensitive Images <input type=image> Custom buttons
Client object : Server-Side JavaScript
client request HTTP headers : Client Request Headers incomplete, HTTP codes for : Client Request Incomplete success, HTTP codes for : Client Request Successful
client-pull Animation Client Pull Client-Pull Documents Performance Considerations
client-server communication (see HTTP)
client-side image maps Image Maps The ismap and usemap attributes Client-Side Image Maps
client-side JavaScript Executable Content: JavaScript in a... Client-Side JavaScript Client-Side Program Structure JavaScript and Security JavaScript Overview Window Object built-in arrays : Built-in Arrays
clients Clients, Servers, and Browsers Clients and Servers browsers as (see web browsers) cookie : Cookie Client simulating : Client Simulation TCP : Internet TCP clients and servers (see also browsers)
clip attribute (<layer>) : The clip attribute
clock analog (gd graphics) : Analog Clock analog (PostScript) :Final PostScript Example: Analog Clock animated : Animated Clock digital (gd graphics) : Digital Clock digital (PostScript) Digital Clock Inserting Multiple Dynamic Images
close command : Creating Dynamic Home Pages
close function close Anonymous pipes
close( ) Methods Frame Object Methods Closing Windows The write() Method Flushing Generated Output Security Hobbles in Navigator 3.0 Window.close() for Document object Closing the current document Document.close()
closed property The Window Object Closing Windows Reference Counting in Navigator 3.0 Other Window Programming Techniques Window.closed Properties
closedir function closedir DirHandle--Supply Object Methods fo...
closelog( ) : Sys::Syslog--Perl Interface to UNIX...
close_connection subroutine : Socket Library
closures : Closures
clustering command-line options : Getopt::Std--Process Single-Charact...
cmp operator : sort
code caching : Including JavaScript Files defensive coding approach : Defensive Coding effienciency of : Programmer Efficiency examples, obtaining Examples and Links for Further Expl... Examples execution order of : Execution of JavaScript Programs indenting Whitespace and Line Breaks if line length limits : Line length limit listing : Debugger Commands perlmain.c : ExtUtils::Miniperl--Write the C Cod... reusing Thinking of Code Reuse Programming with Style running times for : Benchmark--Check and Compare Runnin... safe namspaces for : Safe--Create Safe Namespaces for Ev...
code attribute (<applet>) The code attribute Attributes
<code> tags <code> The <code> Tag
codebase attribute <applet> Attributes The codebase attribute <object> : Attributes
codetype attribute (<object>) The codetype attribute Attributes
<col> tag The <colgroup> tag The <col> tag <col> Internet Explorer Tables Internet Explorer HTML Exclusives
<colgroup> tags <colgroup> Internet Explorer Tables Internet Explorer HTML Exclusives The <colgroup> tag
Collate module : I18N::Collate--Compare 8-bit Scalar...
colon (:) in import list : Specialized import lists separating Macintosh directories : AppleScript :: for package identifiers Packages Previous Perl Traps
color attribute Document.fgColor String.fontcolor() <font> : Attributes <font> : The color attribute <hr> : The color attribute
Coloring Book : Some Working CGI Applications
colors Color Names and Values The Standard Color Map Document Colors and Background Images And then again JavaScript and HTML Color Names and... Document Properties Attributes Color Names and Values background (see background attribute) Document background color Document.bgColor <body> tag extensions Extensions to the <body><... Mixing and matching body attributes border : The border-color property colormaps : Colors, Maps, and Indexes dithered : Creating a Potentially Transparent Image document : Document Properties font : String.fontcolor() foreground : Document.fgColor frame borders : Frame Border Attributes frames The frameborder and bordercolor att... <frame> graphics file formats and : GIF hexadecimal values for : Color Values horizontal rules : The color attribute layer : The background and bgcolor attributes links Document.alinkColor Document.linkColor Document.vlinkColor Attributes performance considerations Extending a Warning And then again standard color map : The Standard Color Map style properties and Color property values Color and Background Properties The color property tables The bordercolor, bordercolorlight, ... The bgcolor attribute The bgcolor and background attributes Attributes Attributes Internet Explorer Tables text The color attribute The text attribute Attributes of hyperlinks : The link, vlink, and alink attributes marquee : The bgcolor attribute true color : Colors, Maps, and Indexes transparency : Interlacing, transparency, and animation
cols attribute <col> : The rows and cols attributes <frameset> Attributes Frame Layout <multicol> The cols attribute Attributes <textarea> The rows and cols attributes Attributes
colspan attribute <td> Attributes Cell Spanning The colspan attribute <th> Attributes Cell Spanning The colspan attribute
column layout
columns Multicolumn Pages Straddle heads <col> <multicol> frames and The rows and cols attributes Frame Layout multiline text form areas : The rows and cols attributes table column groups Defining Column Groups Using column groups table The <table> Tag Cell Spanning The colspan attribute text Multicolumn Layout Effective Multicolumn Layouts
comma (,) Universal Blunders delimiting list values : List Values and Arrays key/value pairs and : Hashes (Associative Arrays) large numbers and : Numeric literals operator Comma Operators The Comma Operator (,) Awk Traps for in styles : Multiple Selectors
command input operator (see backtick operator)
command-line options Getopt::Long--Extended Processing o... Getopt::Std--Process Single-Charact... Command-Line Options
commands buffering : Per-Filehandle Special Variables history, debugger and : Using the Debugger interpreters : Cooperating with Command Interpreters for loop control : Loop control names for : Verbs Perl debugger : Debugger Commands processing : Command Processing shell : Shell--Run Shell Commands Transpare...
<comment> tags <comment> Internet Explorer HTML Exclusives Ignored or Redundant Tags Comments
comments Comments Comments Regular expression extensions C Traps Comments Hiding Scripts from Old Browsers in <style> tags : Style Comments # (pound sign) for : Pattern Matching
Common Gateway Interface (see CGI)
comp.lang.perl newsgroups : Usenet Newsgroups
compact attribute <dir> Attributes The <dir> Tag <dl> Attributes More compact definition lists <menu> The <menu> Tag Attributes <ol> Attributes Compact ordered lists <ul> Compact unordered lists Attributes
comparing in awk, versus in Perl : a2p data types : Equality (==) functions : Comparing Strings and Functions setting character set for : I18N::Collate--Compare 8-bit Scalar... strings String Operators Universal Blunders Comparing Strings and Functions
comparison operators Comparison Operators Comparison Operators Equality Operators Overloadable operations sort function and : sort
compatibility Compatibility Techniques browsers and (see browsers, incompatibilities with) Internet Explorer 3.0 : JavaScript Incompatibilities in Int...
compiler hints : Global Special Variables
compiler limits (see pragmas)
compiling applets with JSObjects : Compiling applets that use the JSOb...
complementation (see negation)
Complete( ) : Term::Complete--Word Completion Module
complete headers : Complete (Non-Parsed) Headers
complete property Image Manipulation Image Event Handlers Image.complete Properties
completion : Term::Complete--Word Completion Module
Complex module : Math::Complex--Complex Numbers Package
compound statements : Compound Statements
Comprehensive Perl Archive Network (CPAN) How to Get Perl Beyond the Standard Library Other CGI Resources
computations : Still More Features
concatenate (+) operator Strings Addition (+) String Operators Conversions to Strings Workarounds for Navigator 2.0
concatenation (.) operator String Operators Additive Operators Awk Traps Time Efficiency
Concentration game program : Game of Concentration
conditional (?:) operator Conditional Operator The Conditional Operator (?:)
confess( ) : Carp--Generate Error Messages
config command (SSI) Introduction Tailoring SSI Output
config directive : config
Config module : Config--Access Perl Configuration I...
configuring accessing information about : Config--Access Perl Configuration I... GetOptions( ) : Configuration variables for server side includes : Configuration SSI Configuring the Apache and NCSA Ser... config SSI time formats : Configurable Time Formats for SSI Output web server : Configuring the Server
confirm( ) Methods Dialogs in onUnload() Windows and Frames Simple Dialogs Window.confirm()
connect function : connect
Connection header : Connection
connection, shutting down : shutdown
constants (see also literals; numbers) Math Object Constants 1/2, square root of : Math.SQRT1_2 2, square root of : Math.SQRT2 constant expressions : Expressions e : Math.E infinity (Inf) Special Numeric Values Number.POSITIVE_INFINITY ln10 : Math.LN10 ln2 : Math.LN2 log₂e : Math.LOG2E loge : Math.LOG10E MAX_VALUE : Number.MAX_VALUE MIN_VALUE : Number.MIN_VALUE NaN (see NaN) negative infinity (-Inf) Special Numeric Values Number.NEGATIVE_INFINITY pi : Math.PI special numeric : Special Numeric Values
constructor property Core Language Changes The constructor Property Object.constructor
constructors Object Constructors Brief Refresher on Object-Oriented ... An Object Is Simply a Referenced Thingy Core Language Changes Creating New Objects with Constructors Creating Arrays The JavaScript Name Space inheriting : Inheriting a Constructor
containment : Containment (the "Has-a" Relationship)
content interacting with : Interact with Document Content in resized documents : Content disappears upon resize
content attribute (<meta>) The content attribute Refreshing with a different document Attributes
content providers : Who Are the WebMasters?
content types Referencing Audio, Video, and Images The type attribute application/x-www-form-urlencoded : The application/x-www-form-urlencod... file-selection fields and : File selection fields multipart/form-data : The multipart/form-data encoding multipart/mixed : The Multipart/Mixed-Media Type multipart/x-mixed-replace : Multipart Mixed-Replace-Media Type text/css : Document-Level Style Sheets text/plain : The text/plain encoding
Content-Base header : Content-Base
content-based style tags Content-based text styles Document Content Comments Content-Based Styles Combining Content-Based Styles
Content-Encoding header : Content-Encoding
Content-Language header : Content-Language
Content-Length header CGI and Response Headers The Content-length Header Web Server Accesses Content-Length
CONTENT_LENGTH variable CGI Environment Variables Using Environment Variables The GET and POST Methods Understanding the Decoding Process
Content-Location header : Content-Location
Content-MD5 header : Content-MD5
Content-Range header : Content-Range
Content-Transfer-Encoding header : Content-Transfer-Encoding
Content-Type header Creating Virtual Documents Results Processing Content-Type Media Types and Subtypes Internal Workings of CGI About This Server CGI and Response Headers Accept Types and Content Types
CONTENT_TYPE variable Using Environment Variables CGI Environment Variables
context : Context
contextual( ) : Using contextual styles
contextual selectors : Contextual Selectors
contextual styles : Using contextual styles
contiguous array elements : The length Property and Sparse Arrays
continuation lines Loop control Global Special Variables
continue block While statements Loop control
continue command (in C) : C Traps
continue statement : continue
control characters String literals The rules of regular expression matching
control markers (see tags)
control structures : Control Structures
controls attribute (<img>) The controls attribute Attributes Internet Explorer HTML Exclusives
converting ASCII values to characters : chr between languages Translation from Other Languages Translation from Awk and Sed Boolean values Miscellaneous Differences Conversions to booleans characters to ASCII values : ord dates and times The Date Object Methods decimal numbers : sprintf escape sequences escape() unescape() explicity : Explicit Data Type Conversions to functions : Conversions to Functions functions for, Perl : Conversion Functions hexadecimal numbers to decimal : hex Java to JavaScript (see LiveConnect) JavaObject objects : JavaScript Conversion of JavaObjects list values to strings join pack to numbers The valueOf() Method Conversions to Numbers Converting Strings to Numbers parseFloat() parseInt() numbers to strings : Methods to objects Conversions to Objects Conversions to and from Objects octal numbers to decimal : oct POD data to ASCII text : Pod::Text--Convert POD Data to Form... to strings Conversion of floating-point values... Form Values and String Conversion The toString() Method Array Methods Conversions to Strings Converting Numbers to Strings Methods strings to list values split unpack time gmtime localtime variables : Untyped Variables
Cookie header The Cookie Request Header Cookie Syntax of the Cookie HTTP Request Header
cookie property An Overview of Cookies Properties
cookies CGI Side Includes Object Model Differences Persistent Client State: HTTP Cookies Read and Write Client State with Cookies Saving State with Cookies Document.cookie Cookies Properties as clients Cookie Client expiring : Cookie Server magic CGI Side Includes Magic Cookies persistent Netscape Persistent Cookies server for Maintaining State with a Server Cookie Client
coords attribute (<area>) The coords attribute Attributes
copy constructor : Copy constructor
Copy module : File::Copy--Copy Files or Filehandles
copying Copying and Passing Strings and Fun... Copying Objects with the assign() Method
core files dump Switches
cos( ) cos Math Object Math.cos() Math Object cos
counter variable : while
counters access How do I write an access counter script? User Access Counter graphic : Graphic Counter for web server Web Server Accesses Web Server Accesses decremental : Counting Days Until . . .
counting branches Infinite Loops in JavaScript Security Hobbles in Navigator 3.0 references Core Language Features Reference Counting in Navigator 3.0
CPAN (Comprehensive Perl Archive Network) How to Get Perl Beyond the Standard Library Other CGI Resources Software Developed for the Book
CPU time times Notes
creating (see defining)
creation time (see modification time, file)
creator property : The Least-Common-Denominator Approach
croak( ) : Carp--Generate Error Messages
crossed-out text : <s>
crypt function : crypt
cryptography : srand
csh (see C shell)
CSIs (see CGI side includes)
CSS (see Cascading Style Sheets)
$ctime file statistic : stat
CTRL-D key Other literal tokens Term::Complete--Word Completion Module
CTRL-U key : Term::Complete--Word Completion Module
CTRL-Z key : Other literal tokens
curly braces {} Compound Statements Braces, Brackets, and Quoting Universal Blunders Programming with Style function in awk : Awk Traps for statement blocks : Compound Statements hash composer : The Anonymous Hash Composer identifiers in : String literals quantifier Quantifiers The rules of regular expression matching
current property History.current Properties
customizing bullets : Custom Bullets debugger : Debugger Customization form buttons : Custom buttons image buttons : Custom image buttons SSI output : Tailoring SSI Output
Cwd module : Cwd--Get Pathname of Current Workin...
cyclical references : Shortcomings of Garbage Collection ...
cycling documents : Cycling among documents Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z