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, 255👍, 1💬
This web site provides a collection of about 40 free tutorial books on programming languages, Web applications, database, Chinese language and other topics. See the site map for a complete list of all tutorial books. 2017-07-14, 19118👍, 14💬
"adb logcat" Command Options and Log Buffers
This section describes the 'adb logcat' command options to dump and manage log buffers: main, events, and radio. An example is given to dump logs into a set of rotated log files. 2017-07-11, 1925👍, 2💬
What Is ResultSet?
This section describes what is a ResultSet object. 2017-07-03, 162👍, 1💬
JDBC Tutorials - Herong's Tutorial Examples
This JDBC tutorial book is a collection of notes and sample codes written by the author while he was learning JDBC technology himself. It can be used as a tutorial guide for beginners. Topics include Java, Database, JDBC, Driver, ODBC, Connection, DataSource, SQL, ResultSet, Metadata, Derby, MySQL, ... 2017-06-26, 4991👍, 10💬
Open Files in Binary Mode
This chapter provides tutorial examples and notes about opening files in binary mode. Topics include using binmode() to open files in binary mode; Copy.pl - copying binary files; Bin2Hex.pl - converting binary data to hex numbers. 2017-06-26, 233👍, 1💬
SoapUI - Web Service Testing Tool
This chapter provides tutorial notes and example codes on SoapUI. Topics include SoapUI features; downloading and installing SoapUI free edition; creating and running tests in SoapUI 2017-06-20, 294👍, 1💬
Java DB (Derby) - DML Statements
This chapter provides tutorial notes on executing DML statements with Java DB (Derby) JDBC Driver. Topics include inserting, updating and deleting data rows in existing tables; creating IDENTITY columns; handling date and timestamp values. 2017-06-18, 119👍, 1💬
Meter Based on Seconds Pendulum
This section introduces an old definition of 'meter' which uses a seconds pendulum. A 'meter' is the length of a seconds pendulum, which swings a full cycle in 2 seconds in small angles. 2017-06-14, 261👍, 1💬
MySQL CLOB (Character Large Object) - TEXT
This chapter provides tutorial notes on CLOB (Character Large Object) data types, TEXT, with MySQL JDBC Driver. Topics include creating tables to store CLOB values in MySQL server; inserting CLOB values with direct SQL INSERT statements, or PreparedStatement with setString(), setCharacterStream() or... 2017-06-12, 2911👍, 2💬
sendReceive() Method - Invoking a Named Operation
This section provides a tutorial example on how to use the sendReceive() method to invoke an operation defined in the service inside the ServiceClient object. 2017-06-06, 105👍, 1💬
document/literal Example - Guest Registration
This section provides a tutorial example on writing a WSDL 1.1 example that uses SOAP 1.2 over HTTP with document/literal as the message style and the encoding option. 2017-05-29, 513👍, 1💬
"OpenSSL" Viewing Certificates in DER and PEM
This section provides a tutorial example on how to use 'OpenSSL' to view certificates in DER and PEM formats generated by the 'keytool -exportcert' command. 2017-05-27, 29802👍, 5💬
Passing Values between JSP Pages
This section provides a tutorial example on how to use different ways to pass values between JSP pages: putting values in 'session' or 'application' objects, or putting values at the end of redirect URL. 2017-05-26, 729👍, 3💬
This section provides a quick description of the Services Console and a tutorial example on how to l...
This section provides a tutorial Java program, CipherDES.java - A Java Implementation of DES encrypt...
This section describes how to download and install MySQL Connector/J (JDBC driver).
This section describes the DER (Distinguished Encoding Rules) - A binary format of encoding a data v...
This section describes a tutorial example of a complete SOAP application with both server and client...