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

# Index: 0

### Numbers

200 OK status code: 3.3.1.3. Specifying status codes
204 No Response status code: 3.3.1.3. Specifying status codes
301 Moved Permanently status code: 3.3.1.3. Specifying status codes
302 Found status header: 3.3.1.3. Specifying status codes
307 Temporary Redirect status code: 3.3.1.3. Specifying status codes
400 Bad Request status code: 3.3.1.3. Specifying status codes
401 Unauthorized status code: 3.3.1.3. Specifying status codes
403 Forbidden status code: 3.3.1.3. Specifying status codes
404 Not Found status code: 3.3.1.3. Specifying status codes
405 Not Allowed status code: 3.3.1.3. Specifying status codes
408 Request Timed Out status code: 3.3.1.3. Specifying status codes
500 Internal Server Error: 3.1.1.3. STDERR
  3.3. CGI Output
  5.5.1. Dying Gracefully
  CGI::Carp and: 5.5.2. CGI::Carp
  die function and: 15.2.4. Trap die
  HTTP header printing and: 5.5.3. Error Subroutines
  malformed HTTP content type headers, causing: 15.1.4. "Malformed" Header
  status header: 3.3.1.3. Specifying status codes
503 Service Unavailable: 3.3.1.3. Specifying status codes
504 Gateway Timed Out status code: 3.3.1.3. Specifying status codes

### Symbols

* (asterisk) symbol (quantity identifier), XML elements: 14.3. Document Type Definition
\ (backslash)
  double quotes in HTML, escaping with: 5.4.1. Lots of print Statements
  escaping @ prefix with: 13.5.4. Image Processing
  escaping characters with: 10.1.4. Delimiters
[] (brackets): 6.4.2.1. Embperl code blocks
  6.4.2.1. Embperl code blocks
  16.2. Coding Guidelines
*/* (media types): 2.6.1. Media Type
% (percent sign)
  hashes, use of: 12.3.1. Search Application
  URL encoding: 2.1.1. Elements of a URL
  for date/time format: 6.2.4. Tailoring SSI Output
+ (plus sign)
  encoding spaces in URLs: 2.1.3. URL Encoding
  keywords, separating in queries: 5.2.2.3. Index queries
  URL encoding: 2.1.1. Elements of a URL
  XML elements: 14.3. Document Type Definition
#! (pound-bang) line, CGI applications: 15.1.2. The Pound-Bang
# (pound sign) in server side includes: 6.2.7. Common Errors
@ prefix, escaping with backslash (\\\\) character: 13.5.4. Image Processing
? (question mark) in place of * in XML elements: 14.3. Document Type Definition
~! (tilde escapes), mailx and mail programs: 9.5. mailx and mail
%attributes, hash table of attributes declared inside XML element: 14.5. CGI Gateway to XML Middleware
$CGI variable: 10.4.2.2. Address book CGI script
  determining flow of control through CGI script: 10.4.2.2. Address book CGI script
$CGI::HEADERS_ONCE variable: 5.5.3. Error Subroutines
$CGI::POST_MAX: 5.2.4. File Uploads with CGI.pm
  limiting user shopping carts with: 11.2. Hidden Fields
$db, using: 10.2.1. DB_File
$element, start element name (XML): 14.5. CGI Gateway to XML Middleware
$expat, reference to XML::Parser object: 14.5. CGI Gateway to XML Middleware
<!--# directives (see Server Side Includes)
#PCDATA: 14.3. Document Type Definition
$q prefix CGI.pm module: 5.1.3. Standard and Object-Oriented Syntax
@related, references to related URLs: 14.5. CGI Gateway to XML Middleware
#REQUIRED keyword, XML documents: 14.3. Document Type Definition
@subrelated, URLs related to first-level URL: 14.5. CGI Gateway to XML Middleware

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