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R

\r (carriage return) Perl (UNIX, Windows, Macintosh) Multipart Forms
R command (debugger) : Debugger Commands
-R file test operator : Named Unary and File Test Operators
-r file test operator : Named Unary and File Test Operators
radio buttons Radio Buttons and Checkboxes Radio Buttons Backward radio and checkbox arrays <input type=radio> Radio buttons Radio Object multiple-choice questions : Quiz/Test Form Application
Radio element Radio.defaultChecked Radio Object Form Elements Form Element Names and Values Naming Forms and Form Elements Radio Radio.blur() Radio.checked Radio.click() Radio.focus() Radio.form Radio.name Radio.onblur() Radio.onclick() Radio.onfocus() Radio.type Radio.value
rand function : rand
random( ) Math Object Core Language Changes Math.random()
random hypertext links Random Links A random URL generator The Link Object numbers rand srand
range (..) operator Range Operator Awk Traps
Range header : Range
RDB : Utilities and Applications
RDBMS (see relational databases)
$rdev file statistic : stat
read function : read
read-only objects : The assign() Method
readdir function readdir DirHandle--Supply Object Methods fo... Time Efficiency
reading array elements : Reading and Writing Array Elements client state : Read and Write Client State with Cookies cookies : Reading Cookies data via low-level system call : sysread files Examples What JavaScript Can't Do input (awk) : Awk Traps object properties : Reading and Writing Object Properties permissions for processes : IPC::Open2--Open a Process for Both... shared memory segment ID : shmread
Readline module : Readline Support
readlink function : readlink
ReadlKey module : Readline Support
ready file descriptors : select (ready file descriptors)
real gid (see $( variable)
real uid (see $< variable)
real values, testing for with defined : defined
$REAL_GROUP_ID (see $( variable)
$REAL_USER_ID (see $<)
records (see $/ variable) input, separator for (see $/ variable) output, separator for (see $\ variable) variable-length : Formats of various data structures : More Elaborate Records
rectangular image map area : The coords attribute
recursive open functions : open use of subroutines : Subroutines
recv function : recv
Redirect header : Combining Refresh with Other HTTP H...
redirection (see server redirection)
redirection HTTP status codes Redirection Client Request Incomplete
redo operator Loop control redo
redundant HTML tags : Ignored or Redundant Tags
ref function ref Other Tricks You Can Do with Hard R...
references Primitive Types and Reference Types The src attribute Embedded Versus Referenced Content What Is a Reference? checking for : ref circular, and memory : A Note on Garbage Collection comparing by : Equality (==) counting Core Language Features Reference Counting in Navigator 3.0 dangling Dangling references Workarounds for Navigator 2.0 to filehandles : Filehandle Referencers inline Inline References multidimensional arrays and : A Brief Tutorial: Manipulating List... to objects : Using Object Methods objects as : An Object Is Simply a Referenced Thingy passing : Passing References use strict 'refs' : strict--Restrict Unsafe Constructs
Referer header : Referer
referral servers : Where Did You Come From?
referrer property Document Properties Document.referrer Properties
Refresh header CGI and Response Headers Client Pull Uniquely Refreshing Cycling among documents
refresh( ) Miscellaneous Changes Navigator.plugins.refresh()
refreshing browsers : Client Pull
regenerated documents : Event handlers in regenerated documents
regexes, regexps (see regular expressions)
regsub function : Tcl
regular expressions Regular Expressions Regular Expressions Core Language Features Regular Expressions Summary of Regular Expressions Perl (UNIX, Windows, Macintosh) backreferences : Backreferences character classes : Regular Expressions extension syntax for : Regular expression extensions matching precedence : The rules of regular expression matching special variables for : Regular Expression Special Variables
rel attribute <a> Attributes The rel and rev attributes <link> Attributes Internet Explorer HTML Exclusives The rel and rev attributes
relational databases Relational Databases Accessing a Sybase Database
relational operators Relational Operators (see also comparison operators)
relationships between HTML documents Establishing Document Relationships How browsers might use <link... between hyperlinks : The rel and rev attributes
relative font size The size attribute frame sizes : The rows and cols attributes URLs URLs Absolute and Relative URLs Using relative URLs Uniform Resource Locators (URLs)
reload( ) Methods The Location Object The Location Object Location.reload()
remainder (%) operator : Modulo (%)
REMOTE_ADDR environment variable CGI Environment Variables How can I tell what user/host/brows... Using Environment Variables Restricting Access for Specified Domains
REMOTE_HOST environment variable CGI Environment Variables How can I tell what user/host/brows... Perl (UNIX, Windows, Macintosh) Using Environment Variables Restricting Access for Specified Domains C/C++ decoding using libcgi
REMOTE_IDENT environment variable CGI Environment Variables How can I tell what user/host/brows... Using Environment Variables
REMOTE_USER environment variable CGI Environment Variables How can I tell what user/host/brows... Using Environment Variables User Authentication and Identification
removeMember( ) : JSObject.removeMember()
removing (see deleting)
rename function : rename
repetition (x) operator String Operators Multiplicative Operators
replace functions, Perl : Search and Replace Functions
replace( ) Methods The Location Object The Location Object Location.replace()
replacement, image (see images and graphics)
replacing array elements : splice
Reply-To header : I want the user to fill in a form a...
Request object : Server-Side JavaScript
Request.pm module : Request.pm
REQUEST_METHOD environment variable CGI Environment Variables Using Environment Variables The GET and POST Methods
require command : Socket Library
require function : Modules
require operator Global Declarations Global Special Arrays require
REs (see regular expressions)
reserve( ) : Array Methods
reserved characters (see special characters)
reserved words Variables Reserved Words special numeric constants : Special Numeric Values
reset( ) Methods Forms and Form Elements The Form Object Form.reset() reset
reset buttons (Reset elements) <input type=reset> Reset buttons Reset Object The Form Object Submit and Reset Buttons Reset buttons Reset Object Form Elements Reset Reset.blur() Reset.click() Reset.focus() Reset.form Reset.name Reset.onblur() Reset.onclick() Reset.onfocus() Reset.type Reset.value
resizing documents : Content disappears upon resize
resizing images : Resizing and flood-filling images
resolution, image : Other Image Properties
resources Official Netscape Documentation Recommended Books
<response> tag : Quiz/Test Form Application
response codes, HTTP : Server Response Codes
Response.pm module : Response.pm
restoring filehandles : SelectSaver--Save and Restore Selec...
Retry-After header : Retry-After
return statement return Defining and Invoking Functions return
return value subroutine : Subroutines
reusing code Thinking of Code Reuse Programming with Style
rev attribute <a> The rel and rev attributes Attributes <link> tag : Attributes
reverse function : reverse
reverse( ) Methods Array.reverse()
rewind( ) : LiveVideo
rewinddir function rewinddir DirHandle--Supply Object Methods fo...
right alignment (see align attribute)
right angle bracket (see >)
right justification : Format Variables
right-shift (>>) operator : Shift Operators
rightmargin attribute, <body> : Internet Explorer HTML Exclusives
rindex function : rindex
RLENGTH variable (awk) : a2p
rmdir function : rmdir
rmtree( ) : File::Path--Create or Remove a Seri...
root directory, redefining : chroot
round( ) Math Object Math.round()
rounding numbers : Math Object
routines (see subroutines)
rows in frames : Frame Layout table The <tr> Tag Cell Spanning (see also tables) (see also record)
rows attribute <frameset> Attributes Frame Layout The rows and cols attributes <textarea> Attributes The rows and cols attributes
rowspan attribute (<td> and <th>) The rowspan attribute Attributes Cell Spanning
$RS (see $/ variable)
RSTART variable (awk) : a2p
rules (see horizontal rules)
rules attribute (<table>) Attributes Internet Explorer Tables Internet Explorer HTML Exclusives
running (see executing)
runtests( ) : Test::Harness--Run Perl Standard Te... 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 Copyright © 1997 O'Reilly & Associates, Inc. All Rights Reserved.