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Scalar Value Interpretation
This section describes how a scalar value will be interpreted in an operation. A tutorial example is provided to verify scalar value interpretation rules. 2022-10-14, ∼232🔥, 0💬

File Test Operators
This section provides a tutorial example on using file test operators to return information about a file or a directory in the file system. For example, -e tests if a file exists or not. 2022-10-10, ∼232🔥, 0💬

SubReturnValue.pl - Example on Return Values
This section provides a tutorial example on how a list value can be returned from a subroutine to the caller using the return statement. 2022-10-19, ∼230🔥, 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, ∼229🔥, 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, ∼229🔥, 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, ∼229🔥, 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, ∼226🔥, 0💬

Simple Statements and Modifiers
This section describes simple statements - an expression terminated with semicolon. Simple statements can have modifiers: if, unless, while, until, foreach. 2022-10-26, ∼225🔥, 0💬

DirGrep.pl - Searching Text in Directory Files
This section provides a tutorial example, DirGrep.pl, to search text in files and sub directories using a recursive method to walk through a directory tree. 2022-10-23, ∼225🔥, 0💬

What Is an Expression?
This section describes what is an expression, a mixture of values, variables, operations of expressions and function calls. A tutorial example is provided to show you examples of expressions.. 2022-10-18, ∼223🔥, 0💬

Installing RPC::XML Module
This section provides a tutorial example on how to install the Perl module, RPC::XML 0.57, on Windows, downloaded from blackperl.com. 2022-10-06, ∼223🔥, 0💬

Publishing HTML Documents as Web Pages
This section describes how to publish a HTML document on the Apache HTTP server. 2022-10-17, ∼222🔥, 0💬

Retrieving Environment and Script Information
This section provides a tutorial example on how to retrieve information about the Web server environment and about the current CGI script file. 2022-11-06, ∼220🔥, 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, ∼220🔥, 0💬

Receiving Returning Values as a HTTP Response
This section describes how to receive the returning value XML message from the remote machine. 2022-10-11, ∼219🔥, 0💬

dbmopen() - Opening DBM Files with Hash Variables
This section describes the built-in function, dbmopen(), to open DBM database files with hash variables. 2022-10-10, ∼219🔥, 0💬

post() Method not Following Redirect Location
This section provides a tutorial example showing that the LWP::UserAgent post() method does not follow the redirect 'Location:' header line in the HTTP response header. 2022-10-07, ∼219🔥, 0💬

Expression Evaluation Context
This section describes expression evaluation contexts: scalar context and list context. Operations and function may behave differently in different context. A list value in a scalar context is converted by taking the last value. 2022-10-19, ∼216🔥, 0💬

Built-in Functions to Work with the File System
This section describes Perl built-in functions, chdir(), mkdir(), rmdir(), and unlink() to work with the file system, like to change the current directory, make or remove a directory, or delete a file. 2022-11-04, ∼213🔥, 0💬

Archived: Install ActivePerl v5.18.1 on Windows Systems
This section provides a tutorial example on how to install ActivePerl v5.18.1 on a Windows 7 system. 2022-11-04, ∼212🔥, 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, ∼211🔥, 0💬

What Is CPAN
This section provides a quick introduction on CPAN (Comprehensive Perl Archive Network). 2025-09-30, ∼210🔥, 0💬

Performance of Perl substr() and index()
This section provides a tutorial example to test performance of 2 Perl built-in functions: substr() and index() on a Window 2000 system. 2022-10-24, ∼209🔥, 0💬

SubParamAlias.pl - Example on Parameters as Alias
This section provides a tutorial example on how parameters are passed as aliases - modifying the value of a parameter will cause the value of the original variable updated in caller's code. 2022-11-18, ∼206🔥, 0💬

<< < … 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