Ethereum Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial examples on Ethereum and blockchain. Topics include include: What is Ethereum; What is blockchain; Ethereum market value; What is Go Ethereum (Geth); Running a private Ethereum network with Geth; What is Ethereum Mist wallet; What is MetaMask wallet; Ethereum mi... 2022-07-10, 3454👍, 4💬
Free Chinese Calendar 2020 - Year of the Rat
Want to know when is the 2020 Chinese New Year day? Look for free Chinese calendars for 2020? Chinese New Year Date for Year 2020 The Rat2020January 25SaturdayChinese New Year ⇒ Free Chinese Calendar 2021 - Year of the Ox ⇐ Chinese New Year Dates in 2020 to 2031 ⇑ Chinese New Year Dates in 2020 t... 2020-03-07, 28793👍, 0💬
Storing FORTRAN Program Code on Punch Cards
This section provides a quick introduction of syntax rules of early versions of FORTRAN language related to punch cards used to store FORTRAN program codes. 2020-03-07, 3170👍, 3💬
Microsoft JDBC Driver for SQL Server - sqljdbc42.jar
This chapter provides tutorial notes on sqljdbc42.jar, JDBC Driver 4.2 produced by Microsoft for SQL Server 2014. Topics include downloading and installing Microsoft JDBC Driver 4.2; loading sqljdbc42.jar; creating a connection to SQL Server with port number, instance name and database name; closing... 2020-03-06, 18667👍, 28💬
This section provides a quick summary of the Unicode code point block: 'Arabic', which contains 256 code points to represent alphabetic letters used in the Arabic language. 2020-03-06, 2395👍, 2💬
SoapUI Configuration for Messaging Encryption
This section provides a tutorial example on how to create a configuration entry to support SOAP messag encryption with an X.509 certificate in a JKS (Java KeyStore) file. 2020-02-29, 3331👍, 5💬
Perl Script Conversion Tools
This section describes why and how to convert Perl script files to executable binary files. ActivePerl Dev Kit and Perl2Exe are two popular conversion tools for Windows systems. 2020-02-29, 1956👍, 6💬
Table Row Borders and Column Borders
This section provides a tutorial example on how to create tables with row borders and column borders. Border attributes can be specified at table-row and table-column formatting objects. 2020-02-26, 5141👍, 1💬
setAccelerator() - Setting Keyboard Accelerators on Menu Items
This section provides a tutorial example on how to use setAccelerator() method to associate accelerators to menu items. Accelerators allows user to interact with menu items using keys on keyboard. 2020-02-25, 124👍, 1💬
List of Supported Character Encodings in Java
This section provides a list of supported character encodings supported in Java. The list is generated using the availableCharsets() static method in the java.nio.charset.Charset class. 2020-02-25, 22915👍, 3💬
Using HttpURLConnection to Call GetSpeech SOAP 1.1
This section provides a tutorial example on how to use the java.net.HttpURLConnection class to call the GetSpeech SOAP 1.1 Web service provided by xmlme.com. 2020-02-23, 1200👍, 2💬
Decrypting Encrypted SOAP Message
This section describes how the message receiver should decrypt an encrypted SOAP message in 2 steps: decrypt the encrypted secret key with receiver's private key and decrypt the encrypted message with the secret key. 2020-02-19, 1693👍, 1💬
DESSubkeysTest.java - DES Key Schedule Algorithm Illustration
This section provides a tutorial Java program, DESSubkeysTest.java, to illustrate how DES key schedule algorithm works. 2020-02-10, 1312👍, 3💬
Two Types of "import" Statements
This section describes two types of 'import' statements: Single Type Import and On-Demand Type Import. 4 sample Java source files are provided to test 'import' statements. 2020-02-06, 2073👍, 2💬
FOP Installation Verification on Windows
This section provides a tutorial on how to verify Apache™ FOP by running a FOP built-in example in an AWT preview window on Windows systems. 2020-01-28, 1045👍, 2💬
XMLPad Crash When Validating Non-Conforming XML Documents
This section describes a failed test of validating a non-conforming XML document with the assigned XML Schema file (XSD), XMLPad Crashed. 2020-01-28, 521👍, 2💬
HttpsHello.java - HTTPS Server Test Program
This section provides a tutorial example on how to write a HTTPS server test program, HttpsHello.java. It writes back a simple Web page using the HTTPS protocol. 2020-01-28, 13574👍, 25💬
This tutorial book is a collection of notes and sample codes written by the author while he was lear...
This section describes how to get a list of all tables in the current database on the SQL Server thr...
This section describes how to view account QR code in MetaMask.
This section describes what is cryptography - The study of techniques related to all aspects of data...
This section describes how to decode a Bitcoin raw transaction format.