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

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<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, ∼311🔥, 0💬

What Is XML-RPC?
This section describes what is XML-RPC - a specification on how to make a Remote Procedure call (RPC) by passing XML messages using HTTP requests and responses over the Internet. 2022-11-02, ∼309🔥, 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, ∼309🔥, 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, ∼308🔥, 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, ∼307🔥, 0💬

Install Imager::File::PNG Manually
This section provides a tutorial example on how to install Imager::File::PNG Perl module manually from source code files on macOS. Installation failed with wrong architecture in LIBPNG library. 2022-11-03, ∼307🔥, 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, ∼307🔥, 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, ∼305🔥, 0💬

Archived Tutorials
This chapter contains some archived tutorial notes and example codes from previous versions of this book. 2022-10-08, ∼305🔥, 0💬

Install Perl Module from Source Code
This section provides a tutorial on how to install Perl module from source code using the 'make' utility manually on macOS. 2022-10-10, ∼304🔥, 0💬

http-equiv="Refresh" Meta Tag not Followed
This section provides a tutorial example showing that the LWP::UserAgent get() method does not follow the http-equiv='Refresh' meta tag in the response. 2022-10-04, ∼304🔥, 0💬

HTTP::Cookies save() not Saving Temporary Cookies
This section provides a tutorial example showing that the save() method in the HTTP::Cookies class does not save any temporary (non-persistent) cookies to the cookie jar file. 2022-10-04, ∼304🔥, 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, ∼303🔥, 0💬

Using Scalar Variables
This section describes how a scalar variable can be assigned with a scalar value. An unassigned scalar variable contains the (undef) value. The undef() function removes the assigned value from a scalar variable. 2022-10-08, ∼303🔥, 0💬

List Value Constructors
This section describes what is a list value constructor, a list of scalar values separated by commas. Elements of a list value can be accessed with the subscription notation [i]. 2022-10-31, ∼302🔥, 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, ∼302🔥, 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, ∼302🔥, 0💬

Running Perl Scripts in "htdocs"
This section describes how to change Apache HTTP server configuration and run Perl CGI (Common Gateway Interface) scripts in the default DocumentRoot directory: \local\apache\htdocs. 2022-10-14, ∼301🔥, 0💬

References
List of reference materials used in this book. 2022-11-19, ∼300🔥, 0💬

Variables - Scalar, Array and Hash
This section describes Perl variable types: Scalar, Array, and Hash. Variable names must be prefixed with special symbols to indicate their types, $, @ and %. 2022-11-02, ∼300🔥, 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, ∼299🔥, 0💬

Using Array Variables
This section describes how an array variable can be assigned with a list value. Array elements are referred by subscription notation as scalar expressions, like $identifier[i]. An unassigned array variable contains the (undef) value. 2022-10-24, ∼298🔥, 0💬

Imager - Draw Graphical Elements
This section provides a tutorial example on how to draw graphical elements using line(), box(), circle() functions of the Perl Imager module. 2022-10-12, ∼297🔥, 0💬

CPAN Local Directories and Files
This section provides an introduction of local directories and files used when installing Perl modules from the CPAN repository. 2025-09-30, ∼295🔥, 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