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Comments on Herong's Tutorial Books
Please share your general comments on my tutorial books here. Comments should not contain hyperlinks to any external Web sites.
2022-06-25, 76655👍, 194💬

Get Free Ether from faucet.metamask.io
This section describes how to get some free Ether form faucet.metamask.io.
2022-06-25, 59366👍, 404💬

Comment Testing Area
What is test testing area for? The testing area is provided to allow visitors to post testing comments.
2022-06-25, 29512👍, 111💬

My First JSP Page on macOS
This section provides a tutorial example on how to create the first JSP page with JSP code to test the JSP support of the Tomcat Web server on macOS systems.
2022-06-24, 109👍, 1💬

Creating Class Type Objects
This section describes how class type objects can be created using the 'new' operator and special methods.
2022-06-24, 111👍, 1💬

Measuring Speed of Light - Roemer's Method
This section describes the method used by Ole Roemer to measure the speed of light using changes of observed eclipse periods of Jupiter's moon.
2022-06-22, 161👍, 2💬

Blowfish - 8-Byte Block Cipher
This chapter provides tutorial examples and notes about Blowfish block cipher. Topics include Blowfish encryption and decryption algorithm; Blowfish sub-key generation schema, Blowfish algorithm implementation in Java.
2022-06-21, 550👍, 3💬

Examples of CP1252 and ISO-8859-1 Encodings
This section provides examples of encoded byte sequences of the JVM default encoding, CP1252 encoding, on a Windows system. The ISO-8859-1 encoding is slightly different that the CP1252 encoding.
2022-06-21, 2481👍, 3💬

Get Free Ether from faucet.ropsten.be
This section describes how to get some free Ether from faucet.ropsten.be.
2022-06-21, 7137👍, 70💬

JPEG Image File Format Quality and Size
This chapter provides tutorial notes and example codes on JPG (JPEG) image file format. Topics include saving images in JPEG format; comparing file sizes of JPEG and BMP formats; comparing image quality and file size of JPEG compression quality levels: 95%, 90%, 85%, 75%, 50%, and 25%.
2022-06-20, 137👍, 2💬

"g++ -l..." to Link with Library Files
This section provides a tutorial example on how to use 'g++ -static' and 'g++ -l...' options to link your program with static or dynamic library files.
2022-06-20, 149👍, 2💬

Web Server Log File Samples - IIS and Apache
This section provides a quick introduction of Web server log files with examples of IIS and Apache servers.
2022-06-20, 31484👍, 33💬

GB2312Unicode.java - GB2312 to Unicode Mapping
GB2312Unicode.java is a Java program that generates a table to map all GB2312 characters from GB2312 Codes to Unicode Codes.
2022-06-18, 1583👍, 4💬

Uninstall Bitcoin Core for Windows
This section describes how to uninstall Bitcoin Core for Windows.
2022-06-18, 1331👍, 62💬

Data Literals Supported in PHP
This section describes data literals to specify values for different data types: reserved key words; decimal, octal and hexadecimal numbers; floating point number format; single quoted, double quoted, and heredoc strings.
2022-06-17, 122👍, 2💬

ChangeLengthUnit - Usage Description
This section describes the free Web service ChangeLengthUnit provided by WebserviceX.NET. ChangeLengthUnit allows you to convert length values in Millimeters, Centimeters, Inches, Feet, Yards, Meters, Kilometers, Miles and more.
2022-06-16, 580👍, 4💬

Full Version in PDF/EPUB
Information on how to obtain the PDF version of this book for printing.
2022-06-12, 563👍, 2💬

Ethereum Public Key and Private Key Example
This section describes examples of public key and private key of an Ethereum account.
2022-06-09, 16367👍, 33💬

native2ascii - Native-to-ASCII Encoding Converter
This chapter provides tutorial notes on the native-to-ASCII encoding converter 'native2ascii'. Topics include 'native2ascii' command options, default encoding CP1252 used by 'javac', converting UTF-8 characters into \uXXXX Unicode code sequences, converting \uXXXX sequences back to native encodings.
2022-06-09, 5686👍, 64💬

DES Key Schedule (Round Keys Generation) Algorithm
This section describes DES (Data Encryption Standard) algorithm - A 16-round Feistel cipher with block size of 64 bits.
2022-06-06, 13152👍, 12💬

Testnet - Ropsten network
This chapter introduces Ethereum testnet: Ropsten network.
2022-06-06, 582👍, 2💬

Free Chinese Calendar 2022 - Year of the Tiger
Want to know when is the 2022 Chinese New Year day? Look for free Chinese calendars for 2022? Chinese New Year Date for Year 2022 The Tiger2022February 1TuesdayChinese New Year   ⇒ Free Chinese Calendar 2023 - Year of the Rabbit ⇐ Free Chinese Calendar 2021 - Year of the Ox ⇑ Chinese New Year Dates...
2022-06-05, 312751👍, 21💬

JDBC-ODBC - Configuring SQL Server for TCP/IP Connection
This section describes how to configure SQL Server for TCP/IP connections.
2022-06-05, 586👍, 4💬

What Is DER (Distinguished Encoding Rules) Encoding?
This section describes the DER (Distinguished Encoding Rules) - A binary format of encoding a data value of any data types including nested data structures.
2022-06-03, 20464👍, 9💬

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