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, 185👍, 1💬
'com.sun.management.jmxremote.port' - JMX Agent for Remote Connection
This section provides a tutorial example on how to turn on the out-of-the-box JMX agent on Sun JVM for monitoring tool 'jconsole' to connect from remote machines. 2016-01-13, 2755👍, 1💬
Java Tools Tutorials - Herong's Tutorial Notes
This free book is an excellent tutorial book for beginners. It is a collection of notes and sample codes written by the author while he was learning Java tools himself. Topics include java, javac, jar, jdb, jar, javap, keytool, jconsole, jps, jstatd, jstat, jinfo, jmap, jhat, jstack. 2016-01-12, 4755👍, 1💬
What is ECB (Electronic CodeBook) Operation Mode?
This section describes what is ECB (Electronic CodeBook) Operation Mode - each plaintext block is encrypted independently without any input from other blocks. 2016-01-10, 2198👍, 2💬
Using Perl LWP Package for Debugging
This section provides a tutorial example on how to use the Perl LWP package to debug JSP applications. The LWP package allows to dump HTTP request and response. It also allows you to control how to manage page redirect. 2016-01-09, 501👍, 1💬
"gYear", "gMonth" and "gDay" Datatypes
This section describes the built-in primitive datatype, 'gYear', 'gMonth' and 'gDay', that represents years, months and days in Gregorian calendar. Leading and trailing whitespaces are allowed and trimmed. Timezone offset is optional. 2016-01-08, 2543👍, 2💬
MenuItemActionListenerTest.java - Menu Item Action Listener Test
This section provides a tutorial example on how to use java.awt.event.ActionListener, button action listener interface, to catch events fired by JMenuItem objects. 2016-01-07, 142👍, 1💬
Chinese Characters in HTML Documents - UTF-8 Encoding
This section provides a tutorial example on how enter and use Chinese characters in HTML documents using Unicode UTF-8 encoding. The HTML document should include a meta tag with charset=utf-8 and be stored in UTF-8 format. 2016-01-06, 295👍, 1💬
Outdated: Downloading and Installing Android SDK R17
This section provides a tutorial example on how to download and install Android SDK (Software Development Kit) Revision 17 on Windows systems. 2016-01-05, 106👍, 1💬
javax.swing.JFileChooser - File Chooser Dialog Box
This section provides a tutorial example on how to use the javax.swing.JFileChooser class to create a file chooser dialog box for the Open command and the Save command. 2016-01-03, 2037👍, 8💬
Drawing Graphics - Using paint() on Content Pane
This section provides a tutorial example on how to override the paint() method in the javax.swing.Component class to draw graphics (a rectangle) and use it as the content pane of the frame window. 2015-12-28, 1137👍, 2💬
Testing OpenSSL with file_get_contents()
This section provides a tutorial example on how to test the PHP OpenSSL module with the file_get_contents() function to run a GET request on an HTTPS server. 2015-12-26, 103👍, 1💬
ConversionRate - Get Currency Exchange Rate
This chapter provides a quick introduction of the free Web service, ConversionRate. Topics include usage description of ConversionRate; request message sample; response message sample. 2015-12-23, 468👍, 1💬
ConversionRate - Usage Description
This section describes the free Web service ConversionRate provided by WebserviceX.NET. ConversionRate allows you to obtain the current exchange rate between two given currencies. 2015-12-23, 401👍, 2💬
Crypt::CBC Encryption with Salted Keys
A tutorial Perl example is provided to show how to use Crypt::CBC to perform encryption with a passphrase and a salt, which will be used to derive the secret key and the IV. 2015-12-20, 201👍, 1💬
Integrating PHP with Apache Web Server
This chapter provides tutorial notes on installing Apache Web server on Windows systems. Topics include downloading and installing Apache 2.2.4 binary distribution; configuring Apache to run PHP as CGI scripts; testing PHP scripts on Apache server. 2015-12-17, 410👍, 2💬
LookAndFeel and UIManager
This chapter provides tutorial notes and example codes on UI look and feel. Topics include introduction of javax.swing.LookAndFeel and javax.swing.UIManager classes; example programs on how to manage UI look and feel. 2015-12-12, 895👍, 1💬
This section provides a list of supported character encodings supported in Java. The list is generat...
This chapter provides tutorial examples and notes on runtime error handling. Topics include the defa...
This section describes XML Tools Plugin, which provides a small set of useful tools for editing XML ...
This section provides a tutorial example on how to install and configure the PHP OpenSSL module on W...
This section provides a tutorial example on how to download and install JDK 1.8.0 (Java SE 8), which...