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, 8759👍, 2💬
Retrieving and Setting HTTP Cookies
This section provides a tutorial example on how to retrieve cookies from the HTTP request header and set cookies to the HTTP response header. Cookie objects are created with the CGI::Cookie class. 2021-01-08, 272👍, 6💬
OpenSSL "enc -bf-ofb" for Blowfish/OFB Encryption
Tutorial notes and example codes are provided OpenSSL 'enc -bf-ofb' command for Blowfish encryption in OFB mode. Topics include introduction of OFB (Output FeedBack) cipher operation mode; Literal Key options to specify secret key and IV directly; Salted Key and Random Salt options to specify secret... 2021-01-03, 112👍, 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), which contains the HotSpot 1.8 JVM, on a Windows XP system. A simple Java program was entered, compiled, and executed with the new JDK installation. 2021-01-01, 72469👍, 52💬
Passing Values between JSP Pages
This section provides a tutorial example on how to use different ways to pass values between JSP pages: putting values in 'session' or 'application' objects, or putting values at the end of redirect URL. 2020-12-22, 835👍, 7💬
What Is JDK
This section describes what is JDK (Java Development Kit) - a development environment for building software applications and software components using the Java programming language. 2020-12-15, 173👍, 2💬
Using "adb logcat" Command for Debugging
This chapter provides tutorial notes on the 'adb logcat' command. Topics include using 'adb logcat' command options and arguments; viewing log buffers: main, events, and radio; creating rotated log files; control log format as 'brief' or 'long'; filtering out log entries by priority and process tag;... 2020-12-14, 5760👍, 3💬
printenv.pl - Testing Perl CGI Environment
This section provides a tutorial on how to modify the Perl CGI test script, printenv.pl, and run it to verify Apache 2 Perl CGI configuration. 2020-12-14, 433👍, 2💬
JDBC Tutorials - Herong's Tutorial Examples
This JDBC tutorial book is a collection of notes and sample codes written by the author while he was learning JDBC technology himself. It can be used as a tutorial guide for beginners. Topics include Java, Database, JDBC, Driver, ODBC, Connection, DataSource, SQL, ResultSet, Metadata, Derby, MySQL, ... 2020-12-11, 7634👍, 10💬
3200: Enclosed CJK Letters and Months
This section provides a quick summary of the Unicode code point block: 'Enclosed CJK Letters and Months', which contains 256 code points to represent characters enclosed in circles used in CJK (Chinese, Japanese, and Korean) languages. 2020-12-07, 143👍, 1💬
XML Files with Embedded DTD Statements
This section provides a tutorial example on how to include DTD statements inside XML files. Embedded DTD statements should appear after the 'xml' process instruction and before the root element. 2020-12-05, 187👍, 2💬
Year 1903 Chinese Calendar - Year of the Rabbit
2020-12-02, 133👍, 1💬
Downloading and Running Flash Player Projector
This section describes a tutorial example on how to download and run Adobe Flash Player Projector to play Flash applications stored in SWF files without using Web browsers. 2020-12-02, 1477👍, 2💬
1964 - Ma Ling Er Xiang Lai ... (马铃儿响来玉鸟儿唱) - Bird Singing Along With Horse Bell Ringing
Ma Ling Er Xiang Lai Yu Niao Er Chang (马铃儿响来玉鸟儿唱) - Bird Singing Along With Horse Bell Ringing, lyrics by Ge Yan (葛炎), Liu Qiong (刘琼), music by Luo zongxian (罗宗贤), Ge Yan (葛炎), produced in 1964. 2020-12-01, 165👍, 4💬
Converting Secret Keys to and from Byte Arrays
This section provides a quick introduction of the SecretKeySpec class and the KeySpec interface. They can be used to convert secret keys into byte arrays to store them in external files. 2020-11-23, 11871👍, 5💬
ChangeLengthUnit - Usage Description
This section describes the free Web service ChangeLengthUnit provided by WebserviceX.NET. ChangeLengthUnit allows you to convert length values in Millimeters, Centimeters, Inches, Feet, Yards, Meters, Kilometers, Miles and more. 2020-11-23, 345👍, 3💬
SSL Socket Communication Test
This section describes how to perform a SSL socket communication test with a SSL server socket test program, a SSL client socket test program, a pair of private key and public key, and a self-sign certificate of the public key. 2020-11-14, 106👍, 1💬
Perl Tutorials - Herong's Tutorial Examples
This Perl tutorial book is a collection of notes and sample codes written by the author while he was learning Perl language himself. Topics include ActivePerl, data types, subroutines, debug, references, objects, open, binary, file, directory, DBM, MySQL, regular expression, RPC::XML, XML::Simple, S... 2020-11-12, 6188👍, 6💬
This section provides a tutorial example on how to convert a private key file from the traditional f...
This section provides a quick introduction of the UTF-16LE (Unicode Transformation Format - 16-bit L...
This JDBC tutorial book is a collection of notes and sample codes written by the author while he was...
This section provides a tutorial example on how to write a sample program to create a SSL client soc...
This section provides a tutorial example on how to download and install JDK 1.6.2 (Java SE 1.6 Updat...