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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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, ∼363🔥, 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, ∼363🔥, 0💬

Performance of Java substring() and indexOf()
This section provides a tutorial example to test performance of 2 Java built-in functions: substring() and indexOf() on a Window 2000 system. 2022-10-04, ∼360🔥, 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, ∼359🔥, 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, ∼358🔥, 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, ∼354🔥, 0💬

DirTree.pl - Displaying the Directory Tree
This section provides a tutorial example, DirTree.pl, using a recursive method to read directories to print out a directory tree. 2022-10-06, ∼354🔥, 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, ∼351🔥, 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, ∼349🔥, 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, ∼349🔥, 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, ∼348🔥, 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, ∼347🔥, 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, ∼347🔥, 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, ∼345🔥, 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, ∼345🔥, 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, ∼345🔥, 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, ∼343🔥, 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, ∼343🔥, 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, ∼343🔥, 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, ∼341🔥, 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, ∼339🔥, 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, ∼337🔥, 0💬

SubParamList.pl - Example on Parameter List
This section provides a tutorial example on how the parameter list is passed to and received in a user defined subroutine by the local array variable @_. 2022-10-24, ∼336🔥, 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, ∼335🔥, 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