Ethereum Tutorials - Herong's Tutorial Notes
This free book is a collection of tutorials and notes on Ethereum and blockchain. Topics include Blockchain, Ethereum, Cryptocurrency, Mining, MetaMask, Wallet. 2018-03-11, 195👍, 1💬
Key Schedule (Sub-Keys Generation) Algorithm
This section describes the Blowfish Key Schedule (Sub-Keys Generation) algorithm. It uses the binary representation of the fractional portion of constant Pi - 3.1415927... as initial values. 2016-03-17, 951👍, 2💬
Introduction of Sorting Algorithms
This chapter provides a quick introduction of sorting algorithms. Topics include what is sorting; why sorting is needed; most popular sorting algorithms. 2016-03-17, 567👍, 2💬
Viewing Components of RSA Keys
This section provides a tutorial example on how to view different components of a pair of RSA private key and public key using the OpenSSL command line tool. 2016-03-14, 1346👍, 2💬
Viewing Components of Certificate Signing Request
This section provides a tutorial example on how to view different components of a CSR (Certificate Signing Request) for your public key with OpenSSL. 2016-03-14, 511👍, 3💬
Free Web Services - Herong's Tutorial Examples
This free Web service tutorial book is a collection of notes and sample codes written by the author while he was testing free Web services available on the Internet. Topics include Web service, SOAP, REST, WSDL, WADL, SoapUI, Country codes, currencies, airports, weather, bar codes, mortgage, stock q... 2016-03-14, 353👍, 0💬
JFrame - Main Frame Class
This chapter provides tutorial notes and example codes on JFrame class. Topics include creating frames with sizes and locations; terminating program with its frame is closed; Listing AWT threads; displaying Chinese character on frames; drawing graphics on frames. 2016-03-13, 131👍, 1💬
soapUI 3.0.1 - Web Service Testing Tool
This chapter provides tutorial notes and example codes on soapUI 3.0.1. Topics include soapUI features; downloading and installing soapUI 3.0.1; validating and importing SOAP based WSDL documents; creating and submitting mock requests; creating and running mock Web services. 2016-03-11, 206👍, 0💬
Introduction to WSDL 1.1
This chapter provides a quick introduction of WSDL 1.1. Topics include introduction of 7 layers of components used in WSDL 1.1 to define a Web service; a sample WSDL document defines a helloService Web service with one method, Hello. 2016-03-11, 577👍, 1💬
Downloading and Installing JDK 1.8.0 on Windows
This section provides a tutorial example on how to download and install JDK 1.8.0 (Java SE 8) on a Windows 7 system. A simple Java program was entered, compiled, and executed with the new JDK installation. 2016-03-10, 1105👍, 2💬
How come the Chinese calendar seems off by one day?
http://herongyang.com/2016/ - the printable calendar seems off by one day for the 2nd lunar month in 2016. Should start on March 9th, but yours starts on March 8th? Which version is giving the wrong date? I have checked all printable versions and they all show that the 2nd lunar month starts on Marc... 2016-03-10, 1717👍, 0💬
Android 4.0.3 File Systems
This section describes file systems used by the Android 4.0.3 emulator system. 8 file systems are supported in the Android emulator: /dev, /mnt/asec, /mnt/obb, /system, /data, /cache, /mnt/sdcard, and /mnt/secure/asec. 2016-03-08, 101👍, 1💬
Java Tutorials - Herong's Tutorial Examples
This free Java book is a collection of notes and sample codes written by the author while he was learning Java himself. It covers topics related Java language core features and classes provided in the java.lang.* package: array, bit, byte, deadlock, expression, generic class, generic method, literal... 2016-03-05, 4221👍, 8💬
Introduction of XML (eXtensible Markup Language)
This chapter provides an introduction of XML (eXtensible Markup Language). Topics include what is XML; key features of XML - simplicity and extensibility. 2016-03-05, 541👍, 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, 241👍, 1💬
1994 - Qing Zang Gao Yuan (青藏高原) - Qinghai-Tibetan Plateau
Qing Zang Gao Yuan (青藏高原) - Qinghai-Tibetan Plateau, lyrics by Zhang Qian Yi (张千一), music by Zhang Qian Yi (张千一), produced in 1994. 2016-03-05, 737👍, 1💬
This section describes DES (Data Encryption Standard) algorithm - A 16-round Feistel cipher with blo...
This section describes how to delete rows from target tables through ResultSet objects.
This section provides a tutorial example on how to perform XSLT (Extensible Stylesheet Language Tran...
This section provides a tutorial Java program, CipherDES.java - A Java Implementation of DES encrypt...
This chapter provides tutorial notes on the JDBC-ODBC Bridge driver produced by Sun and DataDirect. ...