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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, ∼195🔥, 0💬

LWP::UserAgent and Web Site Testing
This chapter provides tutorial examples and notes about using LWP::UserAgent Perl class. Topics include introduction of LWP::UserAgent, HTTP::Request, HTTP:Response, and HTTP::Cookies classes; using get(), post() and request() methods to send HTTP requests with GET or POST; following HTTP redirects;... 2022-10-07, ∼195🔥, 0💬

What Is RPC::XML?
This section describes what is RPC::XML - a Perl module that implements the XML-RPC specification. It helps you to build remote method call XML messages and making XML-RPC calls faster and easier. 2022-10-11, ∼194🔥, 0💬

Using MySQL Database Server
This chapter provides tutorial examples and notes on MySQL database server access. Topics include installing the DBI module and DBD::mysql module; creating a database connection with the DBI-&gt;connect() function. 2022-10-14, ∼193🔥, 0💬

<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, ∼193🔥, 0💬

Sending a Remote Method Call as a HTTP Request
This section describes how a remote method call XML message can be delivered to the remote machine as a HTTP request. Extra request head lines are used. 2022-11-06, ∼192🔥, 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, ∼192🔥, 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, ∼192🔥, 0💬

Expressions, Operations and Simple Statements
This chapter provides tutorial examples and notes about expressions, operations, and simple statements. Topics include different examples of expressions; expression evaluation contexts: scalar and list contexts; simple statements: an expression terminated by a semicolon; simple statement modifiers. 2022-11-19, ∼191🔥, 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, ∼191🔥, 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, ∼191🔥, 0💬

CGI.pm Module for Building Web Pages
This chapter provides tutorial examples and notes about the CGI.pm Perl model. Topics include CGI.pm introduction; creating HTML documents; retrieving query parameters and header information; retrieving environment information; redirecting to new URI; refreshing Web pages; managing HTTP cookies. 2022-10-11, ∼191🔥, 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, ∼191🔥, 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, ∼190🔥, 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, ∼190🔥, 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, ∼189🔥, 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, ∼188🔥, 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, ∼188🔥, 0💬

Symbolic (or Soft) References
This chapter provides tutorial examples and notes about symbolic (or soft) references. Topics include replacing variable or function identifiers with string expressions in curly brackets {}; using scalar variables without {}; using the dereference operator -&gt; with array, hash, or function sub... 2022-10-04, ∼188🔥, 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, ∼187🔥, 0💬

String Related Built-in Functions
This section describes built-in functions to manipulate strings: chop(), length(), index(), substr(), split(). 2022-10-17, ∼187🔥, 0💬

Copy.pl - Copying Binary Files
This section provides a tutorial example of copying a file in binary mode using the binmode() function on input and output. 2022-10-05, ∼187🔥, 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, ∼186🔥, 0💬

Redirecting Browser to a URI
This section provides a tutorial example on how to redirect the browser to go to a new URI with the redirect() method in the CGI.pm module. 2022-10-14, ∼186🔥, 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