XML Tutorials - Herong's Tutorial Examples
This XML tutorial book is a collection of notes and sample codes written by the author while he was learning XML himself. Topics include introduction to XML, DTD (Document Type Definition), XSD (XML Schema Definition), XPath (XML Path Language), XSL (Extensible Stylesheet Language), XSLT (XSL Transf... 2021-03-07, 9394👍, 2💬
1979 - The Tcsh (TENEX C Shell) Developed by Ken Greer
This chapter provides some history of Tcsh developed by Ken Greer in 1979 for Unix systems by extending the C shell with file name completion and command line editing. 2020-09-25, 159👍, 1💬
OpenSSL "enc -bf-cbc" for Blowfish/CBC Encryption
Tutorial notes and example codes are provided OpenSSL 'enc -bf-cbc' command for Blowfish encryption in CBC mode. Topics include introduction of CBC (Cipher Block Chaining) cipher operation mode; Literal Key options to specify secret key and IV directly; Salted Key and Random Salt options to specify ... 2020-09-24, 1345👍, 1💬
This section provides a quick introduction of Shift-JIS, also called MS Kanji, encoding, which maps a JIS X0208 character to a 2-byte sequence using a complicated schema designed by Microsoft. 2020-09-18, 1488👍, 6💬
Geometric Introduction to Elliptic Curves
This chapter provides a geometric introduction of elliptic curves and the associated addition operation. Topics includes what is an elliptic curve and its geometric properties; geometric algorithm defining an addition operation; infinity point or identity element; commutativity and associativity of ... 2020-09-12, 285👍, 1💬
HelloServerWsdl2.php - SOAP 1.1/1.2 Server in WSDL Mode
This section describes a tutorial example of a complete SOAP application with both server and client programs that supports both SOAP 1.1 and SOAP 1.2 with a single WSDL file. 2020-09-07, 118👍, 1💬
Calculator.pl - CGI Application Example
This section provides a tutorial example of Perl CGI application: Calculator.pl - Returning the result of any arithmetic expression like a calculator. 2020-09-01, 1388👍, 2💬
Year 2091 Chinese Calendar - Year of the Boar
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Year 2009 Chinese Calendar - Year of the Ox
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GetGeoIP - Usage Description
This section describes the free Web service GetGeoIP provided by WebserviceX.NET. GetGeoIP allows you to obtain country information with a given IP address 2020-08-06, 120👍, 1💬
Convert XML Document to JSON Document
This section provides a quick introduction on options of converting XML documents to JSON documents: using ready-to-run tools; calling conversion libraries; and implementing your own converter. 2020-08-05, 213👍, 1💬
GetQuote - Usage Description
This section describes the free Web service GetQuote provided by WebserviceX.NET. GetQuote allows you to obtain the stock quote of a given stock symbol. 2020-07-17, 228👍, 1💬
Downloading and Installing Android SDK R24
This section provides a tutorial example on how to download and install Android SDK (Software Development Kit) Revision 24 on Windows systems. 2020-07-05, 130👍, 1💬
References Used in Notes on Physics
List of reference materials used in this book. 2020-07-02, 165👍, 1💬
Visiting a "https" Web Site with Chrome
This section describes how Google Chrome 24 shows a lock icon when you visit an 'https' Web site to provide you more security related information. 2020-07-02, 461👍, 2💬
"sc.exe query type= service" - All Application Program Services
This section provides a tutorial example on how to list all application program services with 'sc.exe' Service Controller command tool. 2020-07-01, 330👍, 1💬
Reciprocity of Time Dilation
This section introduces the reciprocity of time dilation. Elapsed time of a moving clock is slower when measured by a stationary observer; and elapsed time of a stationary clock is slower when measured by a moving observer. 2020-06-26, 1469👍, 3💬
This section provides a quick introduction of the SecretKeySpec class and the KeySpec interface. The...
This section describes what is PKCS5Padding - a schema to pad cleartext to be multiples of 8-byte bl...
This section provides a tutorial Java program, CipherDES.java - A Java Implementation of DES encrypt...
This section describes the Base64 encoding algorithm with some simple encoding examples.
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