Ethereum Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial examples on Ethereum and blockchain. Topics include include: What is Ethereum; What is blockchain; Ethereum market value; What is Go Ethereum (Geth); Running a private Ethereum network with Geth; What is Ethereum Mist wallet; What is MetaMask wallet; Ethereum mi... 2022-07-10, 3454👍, 4💬
ConvertTemp - Usage Description
This section describes the free Web service ConvertTemp provided by WebserviceX.NET. ConvertTemp allows you to convert temperature unit in Celsius, Fahrenheit, Rankine, Reaumur, and Kelvin 2022-05-06, 162👍, 2💬
GB18030 Character Set and Encoding
This chapter provides notes and tutorial examples on GB18030 character set and encoding. Topics including history of GB character sets: GB2312, GB1300.1 (GBK) and GB18030; GB18030 encoding schema. 2022-05-06, 1916👍, 7💬
What Is WS-Security X.509 Certificate Token Profile?
This section describes the WS-Security X.509 Certificate Token Profile specification describing the profile (specific mechanisms and procedures) on how the 'BinarySecurityToken' element defined in WS-Security standard can be used to include X.509 certificate as a means of identifying the sender of a... 2022-05-06, 2272👍, 6💬
Enable/Disable Services with "msconfig.exe"
This section describes a tutorial example on how to enable or disable a predefined service with the system configuration tool 'msconfig.exe'. 2022-05-06, 9842👍, 9💬
The Constancy of the Speed of Light
This section provides a thought experiment to help understanding the second assumption of the special theory of relativity: The constancy of the speed of light. 2022-05-06, 1420👍, 71💬
This section provides a quick introduction of the UTF-16LE (Unicode Transformation Format - 16-bit Little Endian) encoding for Unicode character set. UTF-16LE is a variation of UTF-16. 2022-05-06, 18728👍, 18💬
SslReverseEchoer.java - SSL Server Socket Example
This section provides a tutorial example on how to write a sample program to create a SSL server socket to listen for incoming SSL socket connection requests from client machines. 2022-05-06, 1311👍, 3💬
GB2312 Tutorials - Herong's Tutorial Examples
This free book contains Herong's notes and tutorial examples on Chinese GB2312 character set. It provides a mapping table of all GB2312 characters, native codes, corresponding Unicode codes and UTF8 codes. The Java program source code that produces the mapping table is also included. Topics include ... 2022-04-17, 24002👍, 13💬
Installing JDK 1.8 on Windows System
This chapter provides tutorial notes on installing JDK (Java Development Kit) on Windows systems. Topics include downloading and installing Java SE Development Kit 8u45; compiling and executing Java programs; setting up JAVA_HOME environment variable. 2022-04-15, 5046👍, 7💬
Missing Emulator Engine Program for 'arm' CPUS
This section provides a tutorial example showing the error of 'Missing emulator engine program for arm CPUS' when starting an Android emulator. This is caused missing emulator-arm.exe file in tools folder caused by anti-virus auto delete virus infected files. 2022-04-14, 4967👍, 4💬
Android Emulator Built-in Web Browser
This section provides a tutorial example on how to use the Android emulator's built-in Web browser to visit a web page. You need disable the cable LAN driver, if you are using Wi-Fi. 2022-04-13, 286👍, 2💬
RenderX XEP Example - Borders.fo
This section provides a tutorial example on how to run XEP tool in a command line window to process an example XSL-FO document provided by RenderX. 2022-04-13, 144👍, 2💬
How Secure Is RSA Algorithm?
This section discusses the security of RSA public key encryption algorithm. RSA private key is not 100% secure. But if the private key uses larger value of n = p*q, it will take a very long time to crack the private key. 2022-04-12, 2256👍, 5💬
What Are Identity-Constraints?
This section describes 3 types of identity constraints supported by XSD: 'unique', 'key' and 'keyref' identity constraints. They are very similar to concepts of UNIQUE, PRIMARY KEY and FOREIGN KEY constraints on multiple columns in a database table. 2022-04-10, 242👍, 1💬
什么是非洲绿猴肾细胞？ 非洲绿猴肾细胞（Vero细胞）是从非洲绿猴的肾脏 上皮细胞中分离培养出来的一种细胞系。该细胞系取“V...
This section describes how to download Apache 2.4.37 binary distribution for Windows. You should sel...
Want to know when is the 2031 Chinese New Year day? Look for free Chinese calendars for 2031? Chines...
This section describes how JSP pages are processed by the Web server. Two key steps are involved: 1)...
This section provides a tutorial example on how to create an Android project to build your own Web b...