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D

D command (debugger) : Debugger Commands
d command (debugger) : Debugger Commands
-d file test operator : Named Unary and File Test Operators
\d (for digit) : Regular Expressions
/d modifier : Pattern-Matching Operators
-D switch, perl : Switches
-d switch, perl Switches Alternative Debuggers: The Perl Profiler
dangling references Dangling references Workarounds for Navigator 2.0
dash (see - (hyphen))
data arrays of : Arrays comparing : Equality (==) encoded : Encoded Data exporting (see data-tainting security model) insecure : Handling Insecure Data literals : Literals LiveConnect conversion of LiveConnect Data Conversion Data Conversion
data attribute (<object>) The data attribute Attributes
DATA filehandle : Global Special Filehandles
data redirection (see server redirection)
__DATA__ token Other literal tokens Global Special Filehandles
data types automatic conversions of : Automatic Data Type Conversion Boolean (see Boolean) built-in : Built-in Data Types by reference / by value : By Value vs. By Reference comparing different : Equality (==) converting explicitly : Explicit Data Type Conversions Date (see Date object) functions as Functions Functions as Data Types LiveConnect : LiveConnect Data Types operators and : Type of Operands scalars (see scalars) typeglobs : Typeglobs and Filehandles typeof operator (see typeof operator) untyped variables : Untyped Variables wrapper objects Data Type Wrapper Objects Wrapper Objects
databases accessing (see gateways) in calendar manager : The Database locking : Locking databases Oracle : A Gateway to an Oracle Database relational Relational Databases Accessing a Sybase Database Sprite Software Developed for the Book Sprite Student database Sybase : Accessing a Sybase Database
data-tainting security model JavaScript Security The Data-Tainting Security Model taint() untaint()
Date( ) Date Object The Date Object
date and time time The Date Object counting : Counting Days Until . . . Date header (HTTP) : Date Date object Date Object Date and time bugs Still More Features The Date Object The Least-Common-Denominator Approach Date Date.getDate() Date.getDay() Date.getHours() Date.getMinutes() Date.getMonth() Date.getSeconds() Date.getTime() Date.getTimezoneOffset() Date.getYear() Date.parse() Date.prototype Date.setDate() Date.setHours() Date.setMinutes() Date.setMonth() Date.setSeconds() Date.setTime() Date.setYear() Date.toGMTString() Date.toLocaleString() Date.UTC() environment variables : Counting Days Until . . . executing, Benchmark for : Benchmark--Check and Compare Runnin... file age : Named Unary and File Test Operators formatting : Tailoring SSI Output Greenwich Mean Time (GMT) : gmtime in guestbooks (see guestbooks) limits on operations : Signals local Time::Local--Efficiently Compute Ti... localtime Counting Days Until . . . Creating Dynamic Home Pages modification stat utime Still More Features Document Properties Document.lastModified flastmod SSI Environment Variables Navigator 2.0 bugs : Date and time bugs script running : Named Unary and File Test Operators sleeping : sleep SSI format for Arguments Configurable Time Formats for SSI Output timeouts Still More Features Timer Events Window.clearTimeout() Window.setTimeout() time zones Creating Dynamic Home Pages Date.getTimezoneOffset() Date.toGMTString() Date.toLocaleString() local : localtime timestamp : Why doesn't print...
date function (see localtime function)
datebook program Calendar Manager Graphics
DATE_GMT variable Environment Variables SSI Environment Variables
DATE_LOCAL variable Environment Variables SSI Environment Variables
day (see date and time)
DB package, caller function : caller
dbm close function : dbmclose
DBM files dbmclose AnyDBM_File--Provide Framework for ... deleting from : delete
dbmopen function dbmopen AnyDBM_File--Provide Framework for ...
DBperl A Gateway to an Oracle Database Utilities and Applications
DB_File module AnyDBM_File--Provide Framework for ... DB_File--Access to Berkeley DB
<dd> tags The <dd> Tag <dd>
deafultSelected property : Properties
deallocating memory : A Note on Garbage Collection
$DEBUGGING (see $^D variable)
debugging Switches The Perl Debugger bug reports : Bug Reports CGI programs How do I debug my Perl CGI program ... Debugging and Testing CGI Applications Set UID/GID Wrapper CGI Lint tool CGI Lint--A Debugging/Testing Tool CGI Lint in Action logging errors Logging and Simulation Server Simulation controlling from scripts : Using the Debugger customizing : Debugger Customization debugger, Perl : The Perl Debugger UNIX security bugs : Security bugs
decimal points, lining up : Formats
declare attribute (<object>) The declare attribute Attributes
declaring Statements and Declarations formats : Formats functions : The JavaScript Name Space globally Global Declarations vars--Predeclare Global Variable Names packages Scoped Declarations package subroutines Global Declarations Subroutines sub subs--Predeclare Subroutine Names variables Statements and Declarations Scoped Declarations vars--Predeclare Global Variable Names Variable Declaration var
decoding forms : Example of Form Decoding
decrement (--) operator : Decrement (--)
decryption (see encryption)
default package : Scoped Declarations
'DEFAULT' string : Signals
default, values tainted by : Values Tainted by Default
defaultChecked property Checkbox.defaultChecked Element.defaultChecked Radio.defaultChecked Properties Properties
defaultSelected property : Option.defaultSelected
defaultStatus property Status and defaultStatus Windows and Frames The Status Line Window.defaultStatus Frame Object Properties
defaultValue property Element.defaultValue Properties Properties
defensive coding : Defensive Coding
defined function defined Tying Hashes
defining array elements push unshift Adding New Elements to an Array arrays Object Creation Operator (new) Creating Arrays databases : Creating a database functions function Defining and Invoking Functions object properties : Defining New Object Properties objects Object Creation Operator (new) Creating New Objects with Constructors
definition lists Unordered, Ordered, and Definition Lists Definition Lists The style and class attributes <dd>
DEL character, completion and : Term::Complete--Word Completion Module
delay document refresh : The Refresh Header Contents loading (see performance) marquee movement : The scrollamount and scrolldelay at... (see also performance; timeouts)
delegation : Delegation (the "Passes-the-Buck-to...
delete command : Cookie Server
delete function : delete
DELETE method Tying Hashes Other methods
delete operator Core Language Features The delete Operator
DeleteObject( ) : Live3D
deleting array elements shift splice Removing Elements from an Array breakpoints : Debugger Commands characters : chomp from databases : Deleting information directories rmdir unlink File::Path--Create or Remove a Seri... Document object : Document.clear() file tree : File::Path--Create or Remove a Seri... files : unlink hash elements : delete object properties : Undefined Object Properties
denial-of-service attacks Infinite Loops in JavaScript Security Hobbles in Navigator 3.0
dense arrays : The length Property and Sparse Arrays
dePlus osax (see osax)
dereferencing What Is a Reference? Using a Variable as a Variable Name Using the Arrow Operator Common Mistakes operator for (see arrow operator)
derived classes A Class Is Simply a Package Object-Oriented Scaling Tips
description property MimeType.description Plugin.description Properties Properties
designers : Who Are the WebMasters?
DESTROY method Tying Scalars Tying Arrays Tying Hashes
destruction operator : The delete Operator
destructors : Destructors
detecting tained data : Detecting and laundering tainted data
$dev file statistic : stat
DevEdge program newsgroups : Discussion of JavaScript
Devel: :SelfStubber module : Devel::SelfStubber--Generate Stubs ...
<dfn> tags <dfn> The <dfn> Tag
diagnostic messages (see error messages; warning messages)
diagnostics module : diagnostics--Force Verbose Warning ...
dialog boxes : Simple Dialogs
Dict module : Search::Dict--Search for Key in Dic...
dictionary file : Search::Dict--Search for Key in Dic...
die function die exit function versus : exit
__DIE__ token : Global Special Arrays
digital clock program Digital Clock Inserting Multiple Dynamic Images Digital Clock
digits Regular Expressions backslashed : The rules of regular expression matching in names : Variables
<dir> tags <dir> The <dir> Tag The style and class attributes
direct return : Direct Return
direction attribute (<marquee>) The behavior, direction, and loop a... Attributes
directives, SSI (see SSI)
directories changing working : chdir closing : closedir creating mkdir File::Path--Create or Remove a Seri... deleting rmdir unlink File::Path--Create or Remove a Seri... getting pathname of : Cwd--Get Pathname of Current Workin... opendir function : opendir Perl routines for : Directory Reading Routines prepending to @INC : Switches reading entries from : readdir rewinddir function : rewinddir root, redefining : chroot seekdir function : seekdir unrecognized : CGI Script in Unrecognized Directory
directory lists Directory Lists The style and class attributes
DirHandle module : DirHandle--Supply Object Methods fo...
dirname( ) : File::Basename--Parse File Specific...
disablecache( ) : Benchmark--Check and Compare Runnin...
disc bullets : The type attribute
display property : The display property
distribution, Perl The Perl Distribution Distribution and Installation
dithering : Creating a Potentially Transparent Image
<div> tags Divisions and Paragraphs The style and class attributes <div>
division (/) operator Division (/) (see also multiplicative operators)
division by zero : Drawing the Pie Chart
<dl> tags Unordered, Ordered, and Definition Lists <dl> The <dl> Tag The style and class attributes
@dl_ and dl_ variables : Internal interface summary
do loops : Universal Blunders
do SUBROUTINE operator Simple Statements do
document automation Supporting Document Automation The n attribute
document-level styles Document-Level Style Sheets The pros and cons of document-level... External, document-level, and inline JSS
"Document Moved" status code : Status Codes
DOCUMENT_NAME variable SSI Environment Variables Environment Variables
document property Window.document Properties
DOCUMENT_ROOT variable CGI Environment Variables Using Environment Variables Check the Client Browser Extra Path Information
Document Type Definition (see DTD)
DOCUMENT_URI variable : Environment Variables
DOCUMENT_URL environment variable : SSI Environment Variables
documents (Document objects) Document background color Control Document Appearance and Content Interact with Document Content The Document Object Document Document.alinkColor Document.anchors[] Document.applets[] Document.bgColor Document.clear() Document.close() Document.cookie Document.domain Document.embeds[] Document.fgColor Document.forms[] Document.images[] Document.lastModified Document.linkColor Document.links[] Document.location Document.open() Document.plugins Document.referrer Document.title Document.URL Document.vlinkColor Document.write() Document.writeln() Document Object client-pull Client-Pull Documents Performance Considerations close() : Document.close() dynamically generated : Bugs with Dynamically Generated Doc... embedding : Embedding Other Document Types HTML (see HTML documents) as layers : The src attribute non-HTML : Non-HTML Documents server-push Server-Push Documents Server-push example application for...
documentation Official Netscape Documentation books on Perl : Other Books bug reports : Bug Reports C library functions : Functions CGI : Online Documentation FAQ on Perl : Frequently Asked Questions List gateway for : UNIX Manual Page Gateway help (see help) HTML tag quick reference : HTML Tag Quick Reference <meta> tag for The <meta> Header Element The charset attribute Perl manpages : Perl Manpages resources (see resources)
dollar sign ($) Identifiers for backreferences (see backreferences) in debugger : Using the Debugger line boundary The rules of regular expression matching The fine print prototype character : Prototypes for scalar variable names : Variables word boundary : Nailing Things Down $# prefix : List Values and Arrays
domain attribute (cookies) Syntax of the Set-Cookie HTTP Respo... The Set-Cookie Response Header
domain property JavaScript Security The Link Object The domain Property Document.domain Properties
domains Talking the Internet Talk URLs restricting access to : Restricting Access for Specified Domains
dot (.) operator Named Unary and File Test Operators Array and Object Access Operators Reading and Writing Object Properties Arrays in Navigator 2.0 Conversions to Objects character wildcard Regular Expressions The rules of regular expression matching The fine print concatenation operator String Operators Additive Operators Time Efficiency debugger command : Debugger Commands .. (range) operator : Range Operator .= (assignment) operator : Assignment Operators
double quotes (") Braces, Brackets, and Quoting Pick your own quotes String Literals String literals The regular expression bestiary for attribute values : The Syntax of a Tag in braces : String literals double-quote context : Interpolative context in formline arguments : formline qq/../ construct : Mail Gateway strings and : String literals in URLs : Handling reserved and unsafe characters
doubleValue( ) : JavaScript Conversion of JavaObjects
downloading delay (see performance)
DProf debugger : Alternative Debuggers: The Perl Profiler
drawers (see directories)
<dt> tags Formatting text with <dt> <dt> Unordered, Ordered, and Definition Lists The <dt> Tag
DTD for HTML HTML Grammar The HTML 3.2 DTD HTML Document Elements
dump function : dump
DynaLoader module DynaLoader--Automatic Dynamic Loadi... ExtUtils::Mkbootstrap--Make a Boots...
dynamic documents Virtual Documents Dynamic Documents Server-push example application for... Creating Dynamic Home Pages Final PostScript Example: Analog Clock caching : The "Expires" and "Pragma" Headers generating: Bugs with Dynamically Generated Doc... HTML : Dynamic HTML imagemaps : The imagemap display images, multiple : Inserting Multiple Dynamic Images information access counters User Access Counter Graphic Counter CGI side includes CGI Side Includes CSI Statements and Hidden Fields clocks (see clock) (see also SSI) linking : DynaLoader--Automatic Dynamic Loadi... scoping : Scoped Declarations
dynsrc attribute (<img>) The dynsrc attribute Attributes Internet Explorer HTML Exclusives 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