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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, ∼189🔥, 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, ∼188🔥, 0💬

DBM Database Example - English French Dictionary
This section provides a tutorial example of using DBM database files to build an English to French dictionary with insert, update, delete and print functions.
2022-10-08, ∼188🔥, 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, ∼188🔥, 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, ∼187🔥, 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, ∼187🔥, 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, ∼186🔥, 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, ∼186🔥, 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, ∼185🔥, 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, ∼185🔥, 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, ∼185🔥, 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, ∼184🔥, 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, ∼179🔥, 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, ∼179🔥, 0💬

String Built-in Functions and Performance
This chapter provides tutorial examples and notes about string built-in functions and performance. Topics include string built-in functions: chop(), length(), index(), substr() and split() functions; Perl functions are 2 times slower than Java functions.
2022-11-16, ∼178🔥, 0💬

LWP-UserAgent-GET.pl - Sending a GET Request
This section provides a tutorial example on how to send a GET request to a Web server and dump both request and response messages.
2022-10-05, ∼178🔥, 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, ∼177🔥, 0💬

<file_handle> - Reading Data from File Handles
This section describes various ways to use the &lt;file_handle&gt; operator in different ways to read data from file handles.
2022-10-04, ∼177🔥, 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, ∼176🔥, 0💬

RpcXmlClient.pl - RPC::XML Client Sample Program
This section provides a tutorial example on how to write a RPC::XML client sample program, RpcXmlClient.pl, to test remote methods offered by the server sample program, RpcXmlServer.pl.
2022-10-11, ∼176🔥, 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, ∼176🔥, 0💬

Archived Tutorials
This chapter contains some archived tutorial notes and example codes from previous versions of this book.
2022-10-08, ∼176🔥, 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, ∼176🔥, 0💬

Symbolic (or Soft) References
This chapter provides tutorial examples and notes about symbolic (or soft) references. Topics include replacing variable or function identifiers with string expressions in curly brackets {}; using scalar variables without {}; using the dereference operator -&gt; with array, hash, or function sub...
2022-10-04, ∼176🔥, 0💬

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