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 Reference REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO

<< < … 2 3 4 5 6 7 8 >   ∑:177  Sort:Date

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, ∼153🔥, 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, ∼153🔥, 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, ∼152🔥, 0💬

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, ∼152🔥, 0💬

Archived Tutorials
This chapter contains some archived tutorial notes and example codes from previous versions of this book. 2022-10-08, ∼152🔥, 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, ∼151🔥, 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, ∼151🔥, 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, ∼150🔥, 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, ∼149🔥, 0💬

GameClient.pl - XML Communication Client Example
This section provides a tutorial example on how write an XML communication client program to connect to a server, send and receive XML messages. 2022-11-10, ∼148🔥, 0💬

Using Hash Variables
This section describes how a hash variable can be assigned with a list value. Hash elements are referred by key subscription notation as scalar expressions, like $identifier{'key'}. An unassigned hash variable contains the (undef) value. 2022-10-12, ∼148🔥, 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, ∼147🔥, 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, ∼146🔥, 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, ∼146🔥, 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, ∼145🔥, 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, ∼145🔥, 0💬

LWP-UserAgent-Request.pl - Login to facebook.com
This section provides a tutorial example on how to use LWP-UserAgent-Request.pl to login to facebook.com. The key part is to figure out the POST URI and data value names from HTML form source code. 2022-10-07, ∼145🔥, 0💬

Defining Returning Values of a Remote Method Call
This section describes how returning values of a remote method call can be defined in XML format. The root element name is 'methodResponse'. 2022-10-05, ∼145🔥, 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, ∼144🔥, 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, ∼144🔥, 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, ∼144🔥, 0💬

HelloMySQL.pl - My First Perl Program with MySQL
This section describes a tutorial example on how use the DBI-&gt;connect() function to connect Perl scripts to MySQL database server. 2022-10-14, ∼142🔥, 0💬

RpcXmlServer.pl - RPC::XML Server Sample Program
This section provides a tutorial example on how to write a RPC::XML server sample program, RpcXmlServer.pl, supporting 3 remote methods: com.herong.hello, com.herong.getCelsius, and com.herong.getInfo. 2022-11-24, ∼141🔥, 0💬

Debugging Tutorial Session
This section provides a debugging tutorial session to investigate a script by setting break points, stepping through each statement, printing variable values. 2022-11-09, ∼141🔥, 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 Reference REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO