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. 2018-05-11, 315👍, 2💬
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, 587👍, 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, 1133👍, 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, 1904👍, 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, 4388👍, 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, 562👍, 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, 248👍, 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, 787👍, 1💬
Key Pair Sample Program - JcaKeyPair.java
This section provides a tutorial example on how to write simple program to generate a pair of private key and public key for the RSA or DSA algorithm. 2016-03-01, 717👍, 1💬
RSA Implementation using java.math.BigInteger Class
This chapter provides tutorial notes and example codes on RSA implementation using Java BigInteger class. Topics include introduction of the java.math.BigInteger class; generating large probable prime numbers; generating RSA public key and private key; validating RSA keys; determining cleartext and ... 2016-02-29, 2420👍, 3💬
'jar' - The JAR File Tool
This chapter provides notes and tutorials on JAR file tool, 'jar'. Topics include Java Archive (JAR) file forma, 'jar' command options, creating JAR files, managing JAR files with WinZIP, using manifest file, creating executable JAR files. 2016-02-27, 825👍, 3💬
HijackThis - Browser Hijacker Diagnosis Tool
This chapter provides tutorial examples on HijackThis, a browser hijacker detection and open source tool. Topics include installing HijackThis; scanning system settings for changes; fixing changed settings; reviewing running processes, startup programs, and installed programs. 2016-02-27, 225👍, 1💬
Managing Bit Strings in Byte Arrays
This chapter provides tutorial notes and tutorial examples on managing bit strings in byte arrays. Topics include setting a bit value into a byte array; getting a bit value back from a byte array; rotating all bits in a byte array. 2016-02-27, 850👍, 4💬
Build Process and Package File Content
This section describes the 'aapt package' command to perform the resource code generation step in the Android project build process. The main output is the R.java file in the .\gen folder. 2016-02-27, 691👍, 2💬
This section provides a tutorial example on how to turn on Windows Defender for real-time protection...
This section provides a tutorial example on how to disable and remove 'Lync Browser Helper' addon fr...
This section provides a tutorial example on how to use 'Property Let/Set/Get' procedure to define pu...
This section provides a tutorial example on how to install and configure the PHP OpenSSL module on W...
This section describes what is PKCS5Padding - a schema to pad cleartext to be multiples of 8-byte bl...