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 Transformation), XSL-FO (Formatting Objects), DOM (Document Object Model), and SAX (Simple API for XML); viewing XML with Chrome, Firefox, Safari and IE Web browsers; XML tools with Notepad++ and Atom editors; generating and parsing XML with Java, PHP and Python programs; converting XML to and from JSON. Updated in 2024 (Version v5.25) with minor changes. For latest updates and free sample chapters, visit https://www.herongyang.com/XML.

This book is a collection of tutorial notes and sample codes written by the author while he was learning JDK (Java Development Kit) core libraries himself. Topics include Time and Calendar, Internationalization, Unnamed Packages, Collections, Character Set and Encoding, Logging, XML related technologies: DOM, SAX, DTD, XSD, and XSL, Cryptography, Certificates, Key stores, Cipher and Encryption, Socket communication, SSL and HTTPS. Updated in 2024 (Version v6.32) with JDK 20. For latest updates and free sample chapters, visit https://www.herongyang.com/JDK.

This book is a collection of tutorial notes and sample codes written by the author while he was learning XSL-FO (Extensible Stylesheet Language - Formatting Objects) himself. Topics include: Introduction to XSL, XSL-FO, and Apache FOP; XSL concepts: Area Model, Inline Stacking and Block Stacking; Page layouts: simple-page-master and page-sequence-master; Page regions: region-body, region-before, region-after, region-start and region-end; Formatting objects: Block-Level and Inline-Level Objects; Adding Graphics from Files and SVG Elements; Managing DPI Resolution; Building Tables of Rows and Columns; Managing Lists of Items and Floating Blocks; Adding External and Internal Hyperlinks; Building Table of Contents; Adding Page Headers and Footers; Managing Fonts: Generic Fonts; Adobe Base-14 Fonts; Embedding Fonts; HTML with SVG and MathML to PDF conversion. Updated in 2024 (Version v2.25) with minor updates. For latest updates and free sample chapters, visit https://www.herongyang.com/XSL-FO.

This book is a collection of tutorial examples and notes written by the author while he was learning XSD (XML Schema Definition). Topics include: XSD (XML Schema Definition) specification and processors; JAXP (Java API for XML Processing) API; XSD Schema XML DOM/SAX validators; Using Xerces2 Java Parser API; XSD Built-in Datatypes: string, normalizedString, token, integer, long, int, short, byte, gYear, gMonth, gDay, gYearMonth, gMonthDay, duration, yearMonthDuration, dayTimeDuration, atomic, list, union; simpleContent and complexType; unique, key and keyref identity constraints; assert and assertion validation rules; Schema Component Reuse - include, redefine or import. Updated in 2024 (Version v5.23) with minor changes. For latest updates and free sample chapters, visit https://www.herongyang.com/XSD.

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 introduction of ActivePerl; data types, variables and expressions; scalars, arrays, hash maps, and references; input/output and file systems; DBM files and MySQL access; socket communication; generating executables; XML::Simple and RPC:XML modules; LWP::UserAgent, HTTP::Request and SOAP::Lite modules; CGI, and IIS/Apache integrations. Updated in 2024 (Version v6.02) with minor updates. For latest updates and free sample chapters, visit https://www.herongyang.com/Perl.

This VBScript tutorial book is a collection of notes and code samples written by the author while he was learning VBScript (Visual Basic Scripting Edition) himself. Topics include: The Variant Data Type with Subtypes; Fixed-Size and Dynamic-Size Arrays; Function Arguments Passed by References and by Values; Raising and Catching Runtime Errors; Regular Expression and Pattern Match; Runtime DLL Library: Dictionary, File System, and File I/O; Defining Classes with Properties and Default Method; Object Initializing and Terminating Processes; Client-Side Scripting: VBScript Code for IE Browser; Server-Side Scripting: VBScript code for IIS Server; System Admin Scripting: Windows Script Host (WSH). Updated in 2024 (Version v6.03) with minor changes. For latest updates and free sample chapters, visit https://www.herongyang.com/VBScript.

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 Transformation), XSL-FO (Formatting Objects), DOM (Document Object Model), and SAX (Simple API for XML); viewing XML with Chrome, Firefox, Safari and IE Web browsers; XML tools with Notepad++ and Atom editors; generating and parsing XML with Java, PHP and Python programs; converting XML to and from JSON. Updated in 2024 (Version v5.25) with minor changes. For latest updates and free sample chapters, visit https://www.herongyang.com/XML.

This book is a collection of notes and sample codes written by the author while he was learning SOAP Web service. Topics include introduction of SOAP specifications; SOAP modules, features, and message structure; SOAP Message Exchange Patterns; Python, Perl, PHP, and Java support of SOAP Web services; WS-Security, Username Token and X.509 Token; Signing and Encrypting SOAP messages; Using SoapUI for Web service testing. Updated in 2024 (Version v5.13) with Python tutorials. For latest updates and free sample chapters, visit https://www.herongyang.com/Web-Services.

This MySQL tutorial book is a collection of notes and sample codes written by the author while he was learning MySQL himself, an ideal tutorial guide for beginners. Topics include introduction of Structured Query Language (SQL); installation of MySQL server on Windows, Linux, and macOS; using MySQL client program; accessing MySQL server from PHP, Java and Perl programs; SQL data types, literals, operations, expressions, and functions; Statements of Data Definition Language (DDL), Data Manipulation Language (DML), and Query Language; creating and using indexes; using window functions; stored procedures; transaction management; locks and deadlocks; InnoDB and other storage engines. Updated in 2023 (Version v4.46) with minor changes. For latest updates and free sample chapters, visit https://www.herongyang.com/MySQL.

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, Generational GC, Regional GC, Heap Memory Management, Young/New Generation, Tenured/Old Generation, Object Reference, Eden Space, Survivor Spaces, Minor GC, Major GC, Full GC, Performance Tuning, Throughput/Latency Performance, Heap Footprint. Updated in 2022 (Version v1.11) with JVM 17. For latest updates and free sample chapters, visit https://www.herongyang.com/Java-GC.