This book is a collection of notes and sample codes written by the author while he was learning WSDL himself. Topics include introduction to WSDL (Web Services Definition Language); WSDL document structure; 'types', 'interface', 'binding' and 'service' definition elements; differences between style='rpc' and style='document'; using WSDL document with SoapUI; parsing WSDL documents with Python, PHP, Perl, and Java programs. Updated in 2024 (Version v2.22) with Python tutorials. For latest updates and free sample chapters, visit https://www.herongyang.com/WSDL.

This 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 script file syntax; data types and iterals; variables, operations and expressions; flow control statements: 'if' and 'switch'; loop statements: 'while', 'for', and 'do ... while'; function declaration, arguments, and return values; array and ordered maps; sending out emails; integrating with HTTP Web servers; accessing HTTP requests and responses; managing sessions and cookies; controlling HTTP response headers; accessing MySQL database server; accessing files and directories; using SOAP extension; managing non-ASCII characters; using classes and objects. For latest update, visit http://www.herongyang.com/PHP.

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 tutorial book is a collection of notes and sample codes written by the author while he was testing free Web services available on the Internet. Topics include Introduction of SOAP and REST Web services; Zeep Python library as SOAP client; SoapUI Web Service Testing Tool; Web service examples: Mock Web services; Get All Countries and Territories; Get Cities by Country; Get Latitudes and Longitude of US City; Get Airport Code; Get Country by IP Address; Convert Temperature/Length Units; Generate Bar Code Image; Calculate Mortgage Payment; Get Currency Exchange Rate; Get Stock Quote; Get the Current Time; Get Sun Rise/Set Time; Get Weather by US ZIP Code; Get Flickr Photos; Get Bitcoin block, transaction and wallet data; Search and retrieve chemical compounds. Updated in 2024 (Version v2.13) with minor changes. For latest updates and free sample chapters, visit https://www.herongyang.com/Free-Web-Service.

This book is a collection of notes and sample codes written by the author while he was learning WSDL himself. Topics include introduction to WSDL (Web Services Definition Language); WSDL document structure; 'types', 'interface', 'binding' and 'service' definition elements; differences between style='rpc' and style='document'; using WSDL document with SoapUI; parsing WSDL documents with Python, PHP, Perl, and Java programs. Updated in 2024 (Version v2.22) with Python tutorials. For latest updates and free sample chapters, visit https://www.herongyang.com/WSDL.

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.

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 book is a collection of notes and sample codes written by the author while he was learning Android system. Topics include Installing of Android SDK on Windows, Creating and running Android emulators, Developing First Android Application - HelloAndroid, Creating Android Project with 'android' Command, Building, Installing and Running the Debug Binary Package, Inspecting Android Application Package (APK) Files, Using Android Debug Bridge (adb) Tool, Copying files from and to Android device, Understanding Android File Systems, Using Android Java class libraries, Using 'adb logcat' Command for Debugging. Updated in 2023 (Version v3.05) with ADB tutorials. For latest updates and free sample chapters, visit https://www.herongyang.com/Android.

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 EC (Elliptic Curve) cryptography tutorial book is a collection of notes and sample codes written by the author while he was learning cryptography technologies himself. Topics include rule of chord and point addition on elliptic curves; Abelian groups with additive/multiplicative notations; EC as Abelian groups; DLP (Discrete Logarithm Problem) and trapdoor function; Galois fields or finite fields with Additive/Multiplicative Abelian Group; Prime fields, binary fields, and polynomial fields; EC fields reduced with modular arithmetic; EC subgroup and base points; EC private key and public key pairs; ECDH (Elliptic Curve Diffie-Hellman) protocol; ECDSA (Elliptic Curve Digital Signature Algorithm); ECES (Elliptic Curve Encryption Scheme) protocol; Java tool/program to generate EC keys. Updated in 2024 (Version v1.03) with minor changes. For latest updates and free sample chapters, visit https://www.herongyang.com/EC-Cryptography.