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IIS Environment Variables
This section describes what environment variables are provided by the IIS server for CGI programs. 2022-10-04, ∼259🔥, 0💬

500 Internal Server Error
This section provides a tutorial on how to troubleshoot the '500 Internal Server Error'. Several common causes of this error are listed. 2022-10-08, ∼258🔥, 0💬

File System Functions and Operations
This chapter provides tutorial examples and notes about file system functions and operations. Topics include using built-in functions to create and remove directories; using unlink() to delete files; using file test operators; using stat() to return file statistics. 2022-10-10, ∼257🔥, 0💬

Using DBM Database Files
This chapter provides tutorial examples and notes on DBM database files. Topics include using dbmopen() to connect a hash variable to a DBM database; example scripts of storing two and multiple columns in DBM database files. 2022-10-08, ∼257🔥, 0💬

Name Spaces and Perl Module Files
This chapter provides tutorial examples and notes about Perl module files and name spaces. Topics include using require() and do() functions to include other script files, using 'package' statement to declare new name spaces; creating new Perl modules in *.pm files. 2022-10-05, ∼257🔥, 0💬

Imager - Convert Image File Format
This section provides a tutorial example on how to convert image file from one format to another format using read() and write() functions from the Perl Imager module. 2022-10-31, ∼254🔥, 0💬

Perl Built-in Debugger
This chapter provides tutorial examples and notes about Perl built-in debugger. Topics include commonly used debugging commands; setting breakpoints; stepping into each statement; printing variable values; a debugging tutorial session. 2022-10-12, ∼253🔥, 0💬

Socket Communication Over the Internet
This chapter provides tutorial examples and notes on socket communication. Topics include the socket communication interface model; built-in functions for socket communication server and client; using listen() and accept() functions to play the server role; using connect() to play the client role. 2022-10-28, ∼252🔥, 0💬

"suppressempty" - Parsing Empty Elements
This section provides a tutorial example on how to use the 'suppressempty' option to control how empty XML elements should be parsed. 2022-10-10, ∼252🔥, 0💬

What Is Socket Communication?
This section describes the socket communication model on the Internet network. A socket represents one end-point of a two-way communication link between two programs running on the Internet network. 2022-11-02, ∼251🔥, 0💬

Perl Version Pre-Installed on macOS
This section provides notes to verify Perl version supported on macOS and run a simple Perl script. 2022-10-18, ∼251🔥, 0💬

What Is HTTP::Cookies?
This section describes what is HTTP::Cookies - a Perl class that helps you to extra cookies from HTTP::Response objects, store them and attach them to HTTP::Request objects. 2022-10-07, ∼251🔥, 0💬

Hard References - Addresses of Memory Objects
This chapter provides tutorial examples and notes about hard references, addresses of memory objects. Topics include taking hard references with the reference operator, \ on variables, functions or anonymous objects; using hard references in the same way as soft references by using curly brackets {}... 2022-11-16, ∼249🔥, 0💬

Typeglob and Importing Identifiers from Other Packages
This chapter provides tutorial examples and notes about typeglob and importing identifiers from other packages. Topics include accessing typeglobs from package's symbolic table; defining alias for identifiers from other packages; using Exporter to export and import identifiers from other packages. 2022-10-23, ∼249🔥, 0💬

What Is CGI::Cookie?
This section describes what is CGI::Cookie, which is a sub class of the CGI.pm Perl module, which help you to create HTTP cookies and manage them in HTTP headers of request and response messages. 2022-10-06, ∼248🔥, 0💬

SOAP::Lite - SOAP Server-Client Communication Module
This chapter provides tutorial examples and notes on the SOAP::Lite module. Topics include SOAP introduction; features of SOAP::Lite module; SOAP server example with SOAP::Transport::TCP; SOAP client example; SOAP::Lite tracing functions. 2022-10-07, ∼247🔥, 0💬

Installing Database Module for MySQL
This section provides a tutorial example on how to install Perl modules to access MySQL database server with Perl scripts. 2022-10-29, ∼246🔥, 0💬

Objects (or References) and Classes (or Packages)
This chapter provides tutorial examples and notes about objects and classes. Topics include converting references to objects by bless(); using packages as classes; invoking package subroutines as class or object methods; creating objects within a package by new(); Example of a simple Perl class, Cal... 2022-10-07, ∼246🔥, 0💬

What Is HTTP::Response?
This section describes what is HTTP::Response - a Perl class that represents the HTTP response message returned by a Web server. 2022-10-06, ∼246🔥, 0💬

RPC::XML::Server - XML-RPC Server Interface Class
This section describe the RPC::XML::Server class - the RPC-XML server and programming interface for remote method call handlers. 2022-12-02, ∼245🔥, 0💬

connect() - Establishing a Socket Communication
This section describes Perl built-in functions: socket(), bind(), listen(), accept(), and connect(), that can be used for the server program and client program to establish a socket communication. 2022-10-11, ∼245🔥, 0💬

Generating HTML Document with CGI.pm
This section provides a tutorial example on how to generate a HTML document with methods provided in CGI.pm module. 2022-10-06, ∼245🔥, 0💬

"keyattr" - Namings Attributes as Keys
This section provides a tutorial example on how to use the 'keyattri' option to promote values of specified attributes to be hash keys. The default is 'keyattr =&gt; [name, key, id]'. 2022-10-05, ∼245🔥, 0💬

Perl Installation on Linux Systems
This section describes how to verify Perl installation on Linux systems. The 'perl -v' command returns which version of Perl is installed on the Linux system. 2022-10-12, ∼244🔥, 0💬

<< < 1 2 3 4 5 6 7 8 > >>   ∑:177  Sort:Date

Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO