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'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 \udddd Unicode code sequences, converting \udddd sequences back to native encodings.
2019-04-26, 3199👍, 36💬

Downloading and Installing Notepad++ with XML Tools
This section provides a tutorial example on how to download and install Notepadd++ on Windows system; and how to add the XML Tools Plugin in Notepadd++.
2019-04-25, 134514👍, 64💬

Creating Connections with DataSource Class
This section describes how to create connection objects with the DataSource class.
2019-04-24, 126👍, 3💬

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.
2019-04-22, 56481👍, 188💬

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.
2019-04-22, 6781👍, 4💬

UTF-16LE Encoding
This section provides a quick introduction of the UTF-16LE (Unicode Transformation Format - 16-bit Little Endian) encoding for Unicode character set. UTF-16LE is a variation of UTF-16.
2019-04-21, 6121👍, 8💬

"Character" Class with Unicode Utility Methods
This section provides an introduction on 'Character' class static methods added since J2SE 5.0 as Unicode utility methods.
2019-04-20, 119👍, 2💬

Downloading and Installing JDK 1.8
This section describes how to download and install Java SE Development Kit (JDK) 8u45 on a Windows system.
2019-04-16, 8013👍, 6💬

What Is HTTPS (Hypertext Transfer Protocol Secure)?
This section describes what is HTTPS (Hypertext Transfer Protocol Secure) - A communication protocol that uses the HTTP and the SSL/TLS protocols to provide encrypted communication and secure identification of a Web server.
2019-04-13, 139👍, 2💬

Outdated: Windows XP Component "Update Root Certificates"
This section describes the process used by Windows XP component, Update Root Certificates, to communicate to Windows Update Web site to fetch a trusted root certificate and install in on the local computer automatically.
2019-04-13, 148👍, 2💬

Downloading Apache HTTP Server 2.2.25 for Windows
This section describes how to download Apache (HTTP Server) 2.2.25 binary distribution for Windows systems.
2019-04-12, 4534👍, 13💬

What Is DSA (Digital Signature Algorithm)?
This section describes the DSA (Digital Signature Algorithm) algorithm, which consists of 2 parts: generation of a pair of public key and private key; generation and verification of digital signature.
2019-04-09, 24724👍, 16💬

Compilation and Execution Process of C Programs
This section describes steps of the compilation and execution process of C programs: preprocessing, compilation, assembly, linking and loading.
2019-04-08, 56137👍, 25💬

What Is Micro Benchmark?
This section describes what is Java micro benchmark and general guidelines on writing micro benchmark programs.
2019-04-03, 184👍, 1💬

RSA Private Key and Public Key Pair Sample
This section provides a tutorial example on how to run JcaKeyPair.java to generate a RSA private key and public key pair sample. Keys are stored PKCS#8 and X.509 encoding formats.
2019-04-03, 206👍, 2💬

What Is Block Cipher?
This section describes what is block cipher - An encryption scheme in which 'the clear text is broken up into blocks of fixed length, and encrypted one block at a time'.
2019-04-03, 127👍, 2💬

Listing All Schemas - getSchemas()
This section describes how to get a list of all schemas in the current database on the SQL Server through the DatabaseMetaData object.
2019-04-03, 173👍, 2💬

RsaKeyValidator.java for RSA Key Validation
This section provides a tutorial example on how to validate RSA keys by encrypting and decrypting some random sample messages.
2019-04-02, 102👍, 1💬

Get Free Ether from faucet.metamask.io
This section describes how to get some free Ether form faucet.metamask.io.
2019-04-01, 872👍, 3💬

"native2ascii -encoding" - UTF-8 to \udddd Conversion
This section provides a tutorial example on how to convert UTF-8 character strings to \udddd Unicode code sequences with the 'native2ascii -encoding' command.
2019-03-25, 221👍, 2💬

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.
2019-03-25, 715👍, 8💬

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.
2019-03-25, 129👍, 1💬

"Head State Missing" Error on Restarting "geth"
This section describes the issue with 'Head State Missing' error on restarting 'geth' on a private network.
2019-03-23, 158👍, 2💬

Free Chinese Calendar 2019 - Year of the Boar
Want to know when is the 2019 Chinese New Year day? Looking for Chinese calendars for 2019? Chinese New Year day - February 5, 2019 When is the Chinese New Year's Day in Year 2019? It is on February 5, 2019. Chinese New Year (Chinese: 春節, 春节, Chūnjíe; 農曆新年, 农历新年, Nónglì Xīnnián; or 過年, 过年...
2019-03-23, 1810👍, 1💬

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