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EC (Elliptic Curve) Key Pair
This chapter provides tutorial notes on EC (Elliptic Curve) key pair. Topics include definition of EC private and public key pair; example of elliptic curve and subgroup used to generate good EC key pair; using OpenSSL command line tool to generate EC key pairs.
2023-03-23, 714👍, 1💬

Illustration of DSA Algorithm: p,q=23,11
This section provides a tutorial example to illustrate how DSA digital signature algorithm works with small prime modulus p=23 and prime divisor q=11.
2023-03-21, 4446👍, 9💬

Ethereum Public Key and Private Key Example
This section describes examples of public key and private key of an Ethereum account.
2023-03-20, 24943👍, 80💬

JIMAGE - Java Image File Format
This section describes the Java image, JIMAGE, a special file format used to store class and resource files of multiple Java modules to support custom JRE.
2023-03-18, 905👍, 2💬

Character Encoding in Java
This chapter provides notes and tutorial examples on character encoding in Java. Topics including supported encodings in Java SE 7; using encoding and decoding methods; examples of encoded byte sequences of various encodings.
2023-03-15, 1979👍, 3💬

Full Version in PDF/EPUB
Information on how to obtain the full version of this book in PDF, EPUB, or other format.
2023-03-15, 2056👍, 4💬

Downloading and Installing Axis2/Java
This section provides a tutorial example on how to download and install Axis2/Java to a Windows systems that has JDK available.
2023-03-15, 842👍, 1💬

Connection Pooling with Commons DBCP BasicDataSource
This section provides a tutorial example that shows you how to use the Commons DBCP BasicDataSource class to manage the connection pool with JavaBean style properties.
2023-03-13, 231👍, 1💬

Downloading and Running Flash Player Projector
This section describes a tutorial example on how to download and run Adobe Flash Player Projector to play Flash applications stored in SWF files without using Web browsers.
2023-03-12, 8573👍, 4💬

Create Tables with CLOB Columns
This section describes how to create tables with CLOB columns in Oracle server.
2023-03-09, 32573👍, 6💬

Building Back-of-Book Indexes
This section provides a tutorial example on how to build a clickable back-of-book indexes with hyperlinks using index-key attributes and index-page-citation-list formatting objects.
2023-03-09, 177👍, 1💬

Free Chinese Calendar 2023 - Year of the Rabbit
Want to know when is the 2023 Chinese New Year day? Look for free Chinese calendars for 2023? Chinese New Year Date for Year 2023 The Rabbit 2023 January 22 Sunday Chinese New Year   ⇒ Free Chinese Calendar 2024 - Year of the Dragon ⇐ Free Chinese Calendar 2022 - Year of the Tiger ⇑ Chinese New Yea...
2023-03-09, 229691👍, 6💬

"jpackage -t pkg" - Package for macOS
This section provides a tutorial example on how to use 'jpackage -t pkg' command to generate a binary distribution package from Java application JAR file in *.pkg format for macOS computers.
2023-03-08, 220👍, 1💬

Certificate in PEM Format
This section describes what is certificate PEM (Privacy Enhanced Mail) format - A format uses PEM idea to convert a certificate in DER format to a message of printable characters. The conversion uses the Base64 encoding.
2023-03-08, 14005👍, 7💬

64-bit RSA Key Validated by RsaKeyValidator.java
This section provides a tutorial example on how a 64-bit RSA key is validated by RsaKeyValidator.java with 3 rounds of encryption and decryption tests.
2023-03-05, 1344👍, 3💬

ASP Objects: Request, Response, Session and Application
This section describes additional objects provided by ASP: Request, Response, Session and Application. Your server-side VBScript code will use those objects to convert static Web pages into Web-based applications.
2023-03-01, 978👍, 9💬

ISO-2022-JP Encoding
This section provides a quick introduction of ISO-2022-JP encoding, which maps a JIS X0208 character to a 2-byte sequence by using both bytes of the character's code value directly.
2023-02-28, 1482👍, 4💬

Download and Install JDK on Windows
This section describes how to download and install JDK 12 on a Windows system.
2023-02-27, 67270👍, 51💬

Chinese Astrology
This section describes what is Chinese astrology.
2023-02-24, 1734👍, 3💬

Testnet - Ropsten network
This chapter introduces Ethereum testnet: Ropsten network.
2023-02-24, 1190👍, 3💬

serialver - serialVersionUID Generator
This chapter provides provides a tutorial example on how to use 'serialver' command to generate a unique 'serialVersionUID' value for any given serializable Java class.
2023-02-22, 1304👍, 3💬

MockService - Web Service Simulator
This section provides a tutorial example on how to create a Web service simulator, MockService, with SoapUI, to return a mock response.
2023-02-22, 427👍, 1💬

NumberToWords - Convert Number in Digits to Words
This chapter provides a quick introduction of the free Web service, NumberToWords, converting a number in digits to words. Topics include usage description of NumberToWords; request message sample; response message sample.
2023-02-22, 1654👍, 5💬

Converting Secret Keys to and from Byte Arrays
This section provides a quick introduction of the SecretKeySpec class and the KeySpec interface. They can be used to convert secret keys into byte arrays to store them in external files.
2023-02-22, 18450👍, 6💬

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