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Commonly Used Debugging Commands
This section describes how to run the Perl built-in debugger with the 'perl -d' option. Commonly used debugging commands are also provided.
2022-10-31, ∼224🔥, 0💬

Data Types: Values and Variables
This chapter provides tutorial examples and notes about data types: values and variables. Topics include scalar and list value constructors; scalar value interpretations; scalar, array and hash variables; undef value and undefined variables.
2022-10-31, ∼224🔥, 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, ∼224🔥, 0💬

Scalar Value Constructors
This section describes what is a scalar value constructor, a numeric literal or a string literal, and what are syntax rules on using scalar value constructors.
2022-10-18, ∼223🔥, 0💬

Sending Arrays with Remote Method Calls
This section provides a tutorial example on how to send and received an array as an input of the remote method call. All arrays are passed as hard references.
2022-10-11, ∼223🔥, 0💬

Archived Tutorials
This chapter contains some archived tutorial notes and example codes from previous versions of this book.
2022-10-08, ∼223🔥, 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, ∼223🔥, 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, ∼222🔥, 0💬

gethostbyaddr() - Network Utility Functions
This section provides a tutorial example on how to use network utility functions to get default port numbers of standard network services, or get the host name on the network by a given IP address.
2022-10-28, ∼222🔥, 0💬

Imager - Create and Save Image
This section provides a tutorial example on using stat() to return many statistics of the specified file, including file size, creation time, and last modification time.
2022-10-12, ∼221🔥, 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, ∼220🔥, 0💬

CalendarModule.pm - A Sample Perl Module
This section provides a tutorial sample Perl module, CalendarModule.pm, which hold some calendar elements of the current date and time. It also provides a subroutine, isLeapYear().
2022-10-08, ∼220🔥, 0💬

What Is Common Gateway Interface (CGI)?
This section describes what is CGI (Common Gateway Interface) - a protocol defines how a Web server program interacts with application programs.
2022-10-07, ∼220🔥, 0💬

perl.exe vs. perlis.dll
This section describes differences between perl.exe and perlis.dll. A performance test program is provided to measure the performance of perlis.dll.
2022-10-05, ∼219🔥, 0💬

"Refresh" http-equiv Meta Tag
This section provides a tutorial example on how to create 'Refresh' http-equiv Meta Tag in the HTML document header to ask the browser to refresh Web pages.
2022-10-14, ∼217🔥, 0💬

LWP-UserAgent-POST-Redirect.pl - Posting with Redirects
This section provides a tutorial example on how to send a POST request to a Web server with form input data, follow HTTP redirects, and dump all request and response messages .
2022-10-06, ∼217🔥, 0💬

SocketClient.pl - A Simple Socket Client Program
This section provides a tutorial example on how to write a simple socket communication client program, SocketClient.pl, which creates a socket and makes a connection request to a remote socket communication server.
2022-10-14, ∼216🔥, 0💬

References
List of reference materials used in this book.
2022-11-19, ∼215🔥, 0💬

do() Function - Including Script Files
This section provides a tutorial example on how to use do() function to include script code from another file into the current script file.
2022-11-01, ∼215🔥, 0💬

ReverseEchoer.pl - A Simple Socket Server Program
This section provides a tutorial example on how to write a simple socket communication server program, ReverseEchoer.pl, which listens and accepts for any client requests.
2022-10-24, ∼212🔥, 0💬

LWP::UserAgent and Web Site Testing
This chapter provides tutorial examples and notes about using LWP::UserAgent Perl class. Topics include introduction of LWP::UserAgent, HTTP::Request, HTTP:Response, and HTTP::Cookies classes; using get(), post() and request() methods to send HTTP requests with GET or POST; following HTTP redirects;...
2022-10-07, ∼212🔥, 0💬

RPC::XML Client and Data Classes
This section describes the RPC::XML::Client class, the RPC::XML::request class, and data classes.
2022-10-19, ∼210🔥, 0💬

Perl on Linux Systems
This chapter provides tutorial examples and notes about using Perl on Linux systems. Topics include verifying Perl installation; running Perl scripts in different ways; making a Perl script file executable.
2022-10-08, ∼210🔥, 0💬

Redirecting Browser to a URI
This section provides a tutorial example on how to redirect the browser to go to a new URI with the redirect() method in the CGI.pm module.
2022-10-14, ∼209🔥, 0💬

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