Using Google Chrome as an XML Syntax Checker
This section provides a tutorial example on how to use Google Chrome as an XML file syntax checker. If there are syntax errors in an XML file, Chrome will stop displaying the XML file at the first error location. 2017-08-11, 299👍, 1💬
'jstat' - JVM Statistics Monitoring Tool
This chapter provides tutorial notes on JVM statistics monitoring tools. Topics include listing JVM processes with 'jps', the JVM remote monitoring server - 'jstatd', Java security policy file, connecting 'jps' and 'jstat' to a remote machine, RMI protocol and URL, getting garbage collection statist... 2017-08-10, 476👍, 1💬
Java Exception: "java.lang.OutOfMemoryError: Java heap space"
This section provides a tutorial example on how JVM expands the Heap space to allocate more objects and leads to the 'java.lang.OutOfMemoryError: Java heap space' Java exception, if it is not allowed to expand any more. 2017-08-10, 242👍, 1💬
Current Time in Milliseconds and Nanoseconds
This section provides a tutorial example on how to obtain the current time in milliseconds and nanoseconds using currentTimeMillis() and nanoTime() methods. 2017-08-09, 140👍, 1💬
Outdated: Downloading and Installing JDK 1.3.1 on Windows
This section provides a tutorial example on how to download and install JDK (or J2SE) 1.3.1 on a Windows 2000 system. A simple Java program was entered, compiled, and executed with the new JDK installation. 2017-08-07, 274👍, 2💬
Cryptography Tutorials - Herong's Tutorial Examples
This cryptography tutorial book is a collection of notes and sample codes written by the author while he was learning cryptography technologies himself. Topics include AES, blowfish, certificate, cipher, decryption, DES, digest, encryption, keytool, MD5, OpenSSL, PEM, PKCS#8, PKCS#12, private key, p... 2017-08-05, 17283👍, 4💬
SAAJ - SOAP with Attachments API for Java
This chapter provides notes and tutorials on SAAJ (SOAP with Attachments API for Java). Topics include SAAJ specification and reference implementation; creating a SOAPConnection object; creating a SOAPMessage object; populating SOAP body; adding namespace for SOAP body elements; adding SOAPAction he... 2017-08-05, 235👍, 2💬
Android Debug Bridge (adb) Tool
This section describes commands and options supported by the 'adb' tool. The 'adb help' command can give you details on how to use other 'adb' commands and options. 2017-08-05, 1124👍, 2💬
Android Tutorials - Herong's Tutorial Examples
This free book is a collection of notes and sample codes written by the author while he was learning Android system. Topics include AAPT, Android, ADB, API, Dalvik, emulator, Java, layout, logcat, shell, SDK, USB, view. 2017-08-01, 696👍, 1💬
Input Chinese Text Data from Web Forms
This chapter provides tutorial notes on input Chinese text data from Web forms. Topics include creating Web form; receiving Chinese input text data with PHP the $_REQUEST array; inputting Chinese text with UTF-8, GB18030, and Big5 encodings; copying and pasting Chinese text on Web forms. 2017-07-30, 360👍, 5💬
SoapUI Configuration for Username Token
This section provides a tutorial example on how to create a configuration entry to support WS-Security username token with '#PasswordDigest' password type using SoapUI. 2017-07-28, 176👍, 8💬
MulticastListener.java - A Simple Multicast Listener Program
This section provides a tutorial example on how to write a simple Java test program to join any given multicast group and listen to incoming messages. 2017-07-27, 879👍, 3💬
PHP Tutorials - Herong's Tutorial Examples
This free PHP tutorial book is a collection of notes and sample codes written by the author while he was learning PHP himself. It can be used as a tutorial guide for beginners or a reference book for experienced developers. Topics include PHP, array, CGI, CLI, class, cookie, database, directory, fil... 2017-07-22, 1992👍, 2💬
XML Messages over Socket Connections
This section describes the XML message communication model - where client and server send and receive XML messages over socket communication connections. 2017-07-20, 1262👍, 5💬
This section provides a tutorial example on how to a simple Java Swing program. SwingHello.java is m...
This section describes the DER (Distinguished Encoding Rules) - A binary format of encoding a data v...
This section describes the DSA (Digital Signature Algorithm) algorithm, which consists of 2 parts: g...
This section describes how to load the JDBC-ODBC Bridge driver class with the Class.forName() method...
This section provides a tutorial example on how to write a HTTPS server test program, HttpsHello.jav...