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... 2018-06-17, 334👍, 1💬
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, 469👍, 2💬
How JSP Pages Are Processed?
This section describes how JSP pages are processed by the Web server. Two key steps are involved: 1) compilation of the JSP page into a Java Servlet class; 2) execution of the compiled class. 2017-01-04, 2383👍, 2💬
This section provides a quick introduction of the UTF-8 (Unicode Transformation Format - 8-bit) encoding for Unicode character set. It uses 1, 2, 3, or 4 bytes for each character. 2016-12-30, 344👍, 1💬
This section provides a quick introduction of the UTF-16 (Unicode Transformation Format - 16-bit) encoding for Unicode character set. Paired surrogates are used for characters in the U+10000...0x10FFFF range. 2016-12-28, 726👍, 1💬
SOAP Web Service Tutorials - Herong's Tutorial Examples
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 Web service and SOAP himself. Topics include Binding, Data Model, Encoding, HTTP, Java, Message, Message Exchange Patterns, NuSOAP, PEAR, Perl, PHP, RP... 2016-12-24, 17996👍, 7💬
SOAPAction - Not Needed, But No Way to Remove It
This section describes why the SOAPAction header line is not needed in SOAP 1.2 - SOAPAction is replaced by the 'action' parameter of the application/soap-xml media type in SOAP 1.2. 2016-12-24, 576👍, 2💬
JDBC-ODBC Bridge Driver - MS Access
This chapter provides tutorial notes on using the JDBC-ODBC Bridge driver with MS Access database. Topics include creating MS Access database file; creating DSN for MS Access database files; inserting rows to and retrieving rows from Access database. 2016-12-22, 9046👍, 11💬
Calculation Speed and Response Time
This chapter provides tutorial notes and example codes on ASP script page performance. Topics include measuring execution speed of ASP script calculating prime numbers; measuring response time of a simple 'Hello' ASP script page. 2016-12-21, 308👍, 1💬
LambdaCalculator.java - Lambda Expression Example
This section provides a tutorial example on using an lambda expression to define a class anonymously implementing a single abstract method interface. An anonymous class and a local class are used as comparisons. 2016-12-17, 535👍, 1💬
Validating wsse:Password Digest String
This section provides a tutorial example on how the SOAP message receiver should validate the password digest string in the wsse:Password element using the 'Password_Digest = Base64 ( SHA-1 ( nonce + created + password ) )' definition. 2016-12-17, 8308👍, 6💬
"oShell.Exec(cmd)" - Running System Command with a Script
This section provides a tutorial example on how to run a system command with a VBScript code. Command output and status can be monitored with WshScriptExec properties. 2016-12-14, 1247👍, 2💬
Printing Histogram of Java Object Heap
This section provides a tutorial example on how to print the histogram of Java object heap, a list of different types of objects and their counts and total sizes. 2016-12-14, 1786👍, 2💬
JSP (JavaServer Pages) Overview
This chapter provides an overview of JSP (JavaServer Pages). Topics include what is JSP; main features of JSP 2.1; how JSP pages are processed; popular JSP enabled Web servers. 2016-12-09, 106👍, 1💬
Differences between "Object" and "Array"
This section provides a quick description of similarities and differences of 'Array' and 'Object'. A tutorial example is provided on how to compare an 'Array' object to an 'Object' object. 2016-12-08, 309👍, 3💬
Variant Data Type, Subtypes, and Literals
This chapter provides tutorial examples and notes about VBScript data type and literal. Topics include what is a Variant; what are data subtypes; data literals for Integer, Long, Single, Double, String, Boolean, and Date. 2016-12-06, 484👍, 1💬
JMenuTest.java - Menu Test Program
This section provides a tutorial example on how to use the javax.swing.JMenu class to create multiple menus and how to add them to the menu bar. Sub menus and menu items added to a menu will be listed vertically when the menu is selected. 2016-12-03, 366👍, 1💬
This cryptography tutorial book is a collection of notes and sample codes written by the author whil...
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 use the getSelection() method to know which butto...
This section provides a tutorial example on how to use SHA1 message digest algorithm in Java. The JD...
This section provides a tutorial example on how to download and install JDK 1.6.2 (Java SE 1.6 Updat...