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XML Parsing Options
This section describes commonly used options supported by the XML::Simple module that controls how to handle root element and empty elements. 'forcearray =&gt; 1' option is needed if you want to text elements to parsed as arrays. 2022-11-18, ∼331🔥, 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, ∼331🔥, 0💬

ActivePerl on Windows Systems
This chapter provides tutorial examples and notes about using ActivePerl on Windows systems. Topics include features of ActivePerl; installing ActivePerl on Windows systems; running Perl scripts with ActivePerl. 2022-10-05, ∼331🔥, 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, ∼328🔥, 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, ∼328🔥, 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, ∼326🔥, 0💬

Socket.pm - The Socket Module
This section provides a tutorial example on how to use the Socket.pm module to creating sockets and establish network communication connections. 2022-10-10, ∼324🔥, 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, ∼323🔥, 0💬

Imager::File::PNG - PNG File Format
This section provides a tutorial example on how to install Imager::File::PNG Perl module using CPAN Shell. Installation failed with 'lpng' library missing. 2022-10-12, ∼323🔥, 0💬

Install Xcode Command Line Tools
This section provides a tutorial on how to install Xcode Command Line Tools, which is required to install Perl add-on modules on macOS. 2022-10-25, ∼321🔥, 0💬

XmlSimpleHash.pl - XML Hash Example
This section provides a tutorial example on how to work with hashes resulted from the XML::Simple parsing operation, XMLin(). 2022-10-16, ∼321🔥, 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, ∼320🔥, 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, ∼318🔥, 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, ∼316🔥, 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, ∼315🔥, 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, ∼314🔥, 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, ∼314🔥, 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, ∼313🔥, 0💬

XML Communication Model
This chapter provides tutorial examples and notes on XML communication model. Topics include sending and receiving XML messages over socket communication connections; XML communication server and client sample programs: GameServer.pl and GameClient.pl. 2022-10-18, ∼312🔥, 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, ∼311🔥, 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, ∼310🔥, 0💬

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, ∼308🔥, 0💬

"package" Statement - Switching Name Space
This section provides a tutorial example on how to switch name space with the 'package' statement and how to access identifiers from other name space with double colon '::'. 2022-11-24, ∼307🔥, 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, ∼307🔥, 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