EC Cryptography Tutorials - Herong's Tutorial Examples
This EC (Elliptic Curve) cryptography tutorial book is a collection of notes and sample codes written by the author while he was learning cryptography technologies himself. Topics include rule of chord and point addition on elliptic curves; Abelian groups with additive and multiplicative notations; ... 2019-07-06, 505👍, 3💬
Basic Rules of Receiving Non-ASCII Characters from Input Forms
This section describes basic rules on how non-ASCII character strings should be managed at different steps to ensure localized text strings can be entered in HTML forms and received correctly by PHP scripts that process those forms. 2016-05-12, 460👍, 2💬
Variables, References, and Constants
This chapter provides tutorial notes and example codes on PHP variables, references, and constants. Topics include how to name variables; assigning data values to variables; creating the reference of a variable; using variable variable names; using string expressions as variable names; defining cons... 2016-04-15, 429👍, 1💬
SessionPage*.php - Session Test Script Pages
This section provides a tutorial example on how to write multiple script pages and use the session concept to make them work together. 2016-03-30, 1160👍, 3💬
Retrieving Information from HTTP Requests
This chapter provides tutorial examples and notes about HTTP request. Topics include retrieving information from $_GET, $_POST, $_COOKIE, $_REQUEST, $_SERVER; promoting and registering $_REQUEST keys and values as global variables. 2016-03-29, 103👍, 1💬
Function Declaration, Arguments, and Return Values
This chapter provides tutorial examples and notes about user-defined functions. Topics include defining function with arguments, calling functions in expressions, passing arguments by values or by references, variable-length argument list, providing default values for arguments, returning data by va... 2016-03-05, 282👍, 1💬
PHP SOAP Extension in PHP 5.3.1
This chapter provides tutorial notes and example codes on SOAP Extension in PHP 5.3.1. Topics include downloading and installing PHP 5.3.1; configuring SOAP Extension; reviewing SoapClient class and methods; calling RPC method based and XML document based Web services; rpc/encoded style requiring en... 2016-02-08, 120👍, 1💬
PHP Installation on Windows Systems
This chapter provides notes and tutorials on installing PHP on Windows systems. Topics include downloading and installing PHP 5.2.2; running PHP scripts in Command Line Interface (CLI) and Common Gateway Interface (CGI). 2016-01-27, 380👍, 1💬
Where Is Session Data Stored?
This section provides a tutorial example on how to find out where the PHP engine stores session data. The session.save_path setting specifies the directory name for session data. 2016-01-23, 2792👍, 3💬
Content-Disposition: - Sending Files for Downloading
This section provides a tutorial example on how to insert the 'Content-Disposition:' header line in a HTTP response to tell the browser to prompt the user the download and save the response entity body as a file. 2016-01-16, 706👍, 2💬
Chinese Characters in HTML Documents - UTF-8 Encoding
This section provides a tutorial example on how enter and use Chinese characters in HTML documents using Unicode UTF-8 encoding. The HTML document should include a meta tag with charset=utf-8 and be stored in UTF-8 format. 2016-01-06, 355👍, 1💬
Integrating PHP with Apache Web Server
This chapter provides tutorial notes on installing Apache Web server on Windows systems. Topics include downloading and installing Apache 2.2.4 binary distribution; configuring Apache to run PHP as CGI scripts; testing PHP scripts on Apache server. 2015-12-17, 472👍, 2💬
Sending and Receiving Cookies - Example
This section provides a tutorial example on how to set and send a cookie with the setcookie() function, and how to receive a cookie with the $_COOKIE array. 2015-10-31, 1763👍, 1💬
Input Text Data from Web Forms
This chapter provides tutorial notes on input text data from Web forms. Topics include creating Web form; receiving input text data with PHP the $_REQUEST array; input text data in ASCII, Latin1 and UTF-8 encoding; entering Latin1 characters with Alt keycodes. 2015-10-29, 262👍, 2💬
Location: - Forcing the Browser to Redirect to Another URL
This section provides a tutorial example on how to insert the 'Location:' header line in a HTTP response to tell the browser to do a URL redirect - Send a HTTP request to the specified ULR immediately. 2015-10-21, 483👍, 4💬
PHP Data Types and Data Literals
This chapter provides tutorial notes and example codes on PHP data types and data literals. Topics include 8 data types supported in PHP; data literals to provide data values in PHP code for different data types; integer and float value overflow conditions. 2015-08-05, 739👍, 1💬
This section provides a quick introduction of Web server log files with examples of IIS and Apache s...
This chapter provides tutorial notes on sqljdbc42.jar, JDBC Driver 4.2 produced by Microsoft for SQL...
This section provides a tutorial example on how to solve the banking synchronization issue with Java...
This section provides a tutorial example on how to use the 'keytool -export' command to export certi...
This section describes the SHA1 algorithm - a 6-step process of padding of '1000...', appending mess...