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, 9401👍, 2💬
ReadParse() - Parsing Web Form Input Values
This section describes functions provided in the CGI library, cgi-bin.pl. It also provides a tutorial example on how to use the ReadParse() to parse Web form input values and other functions. 2019-02-16, 2481👍, 6💬
Android Debug Bridge (adb) Tool
This section describes 'adb install' and 'adb uninstall' commands that allows you to install an application APK package and uninstall it on the connected emulator or device. 2019-02-12, 6996👍, 4💬
c:out Action Tag
This section describes the c:out action tag in the JSTL Core library. c:out allows you to generate a dynamic data using an EL (Expression Language) expression in JSP pages. 2019-01-30, 107👍, 1💬
GetGeoIP - Get Country by IP Address
This chapter provides a quick introduction of the free Web service, GetGeoIP, returning the country information with a given IP address. Topics include usage description of GetGeoIP; request message sample; response message sample. 2019-01-29, 379👍, 1💬
1953 - Bai Niao Chao Feng (ç™¾é¸Ÿæœå‡¤) - Hundreds Birds Worshipping The Phoenix
Bai Niao Chao Feng (百鸟朝凤) - Hundreds Birds Worshipping The Phoenix, Suona (唢呐) Solo, composed by Ren Tongxiang from folk tunes (任同祥). Originally performed by Ren Tongxiang (任同祥). 2019-01-28, 606👍, 2💬
GetCitiesByCountry - Usage Description
This section describes the free Web service GetCitiesByCountry provided by WebserviceX.NET. GetCitiesByCountry allows you to retrieve all cities for any given country or territory. 2019-01-26, 4252👍, 3💬
Validating ds:Signature with X.509 Certificate
This section provides a tutorial example on how the SOAP message receiver should validate the digital signatures included in the ds:Signature elements. Digital signatures should be decrypted using public keys included in X.509 certificates passed in the wsse:BinarySecurityToken element. 2019-01-21, 1636👍, 5💬
Building Chinese Web Sites using PHP
It can be used as a tutorial guide for beginners. Topics include installing PHP and Tomcat; creating PHP pages; displaying pages in Chinese; saving Chinese characters to MySQL database; fetching Chinese characters from MySQL database. 2019-01-21, 3734👍, 6💬
Lock Types and Lock Levels
This section describes 2 types of locks: Read Lock (Shared Lock) and Write Lock (Exclusive Lock), and 3 levels of locks: Table Lock, Row Lock, and Column Lock. 2019-01-02, 4611👍, 2💬
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. 2019-01-01, 2139👍, 2💬
Java GC Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial notes and sample codes written by the author while he was learning JVM GC (Garbage Collection) processes. Topics include Java Garbage Collectors, STW (Stop-The-World), Serial Collector, Parallel Collector, Concurrent Collector, G1 Collector, GC Algorithms, Gener... 2019-01-01, 3009👍, 1💬
SHA1 Message Digest Algorithm Overview
This section describes the SHA1 algorithm - a 6-step process of padding of '1000...', appending message length, preparing 80 process functions, preparing 80 constants, preparing 5 word buffers, processing input in 512 blocks. 2018-12-28, 13983👍, 7💬
PHP Implementation of DES - mcrypt
This chapter provides tutorial examples and notes about PHP implementation of DES. Topics include introduction of mcrypt library; mcrypt encryption functions; DES encryption and decryption test program and test result. 2018-12-22, 2410👍, 4💬
What Is Gopher?
This section provides a quick introduction of the Gopher protocol that allows distributed documents to be linked and presented as a hierarchy of items and directories. 2018-12-08, 1040👍, 2💬
"async" Function Example
A tutorial example is provided on how to write an 'async' function with Task return type. An 'async' function needs an 'await' expression to trigger a child thread to split executions. 2018-12-08, 194👍, 3💬
Using SHA1 Message Digest in Java
This section provides a tutorial example on how to use SHA1 message digest algorithm in Java. The JDK JCE package offers the SHA1 algorithm through a generic message digest class, javax.security.MessageDigest. 2018-12-04, 19951👍, 11💬
Displaying Chinese Characters in Frame Title
This section provides a tutorial example on how to display Chinese characters in the title bar of a frame window with a given Chinese font. 2018-11-22, 664👍, 2💬
Want to know when is the Chinese New Year day? Look for free Chinese calendars? Here are the Chinese...
This section provides a tutorial example on how to solve the banking synchronization issue with Java...
Please share your general comments on my tutorial books here. Comments should not contain hyperlinks...
This section describes how to load the MySQL JDBC driver class - mysql-connector-java-5.1 .36-bin.jar...
This section provides a quick introduction of Web server log files with examples of IIS and Apache s...