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

Symbols

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

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