Herong's Tutorial Examples

XML Tutorials - Herong's Tutorial Examples
This XML tutorial book is a collection of notes and sample codes written by the author while he was learning XML himself. Topics include introduction to XML, DTD (Document Type Definition), XSD (XML Schema Definition), XPath (XML Path Language), XSL (Extensible Stylesheet Language), XSLT (XSL Transf... 2025-07-18, ≈13🔥, 3💬

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Chinese Horoscopes - The Ox
The Ox Those born under the influence of the Ox are fortunate to be stable and persevering. The typical Ox is a tolerant person with strong character. Not many people could equal the resolution and fearlessness the Ox exhibits when deciding to accomplish a task or an objective. As we used this great... 2021-09-30, ∼4574🔥, 0💬

Zoom In and Out on PyMol
This section provides a tutorial on how to zoom in and out the viewing window on PyMol. 2022-11-20, ∼4549🔥, 2💬

💬 2022-11-20 Anyos: thank you ! it helped me a lot!

Chinese Character Set Encoding Options
This section providing information on character set encoding options for Chinese Web pages: UTF-8, GB, and Big5 2024-01-11, ∼4542🔥, 5💬

💬 2023-01-06 AAA: 谷歌翻譯是谷歌開發的一種多語言神經機器翻譯服務，用於將文本、文檔和網站從一種語言翻譯成另一種語言

💬 2022-04-18 Berker: 早上好

💬 2019-02-12 你好: 你好

Download and Install JDK on Windows
This section provides a tutorial example on how to download and install the latest version JDK, which contains the HotSpot JVM, on a Windows system. A simple Java program was entered, compiled, and executed to verify the JDK installation. 2021-11-12, ∼4541🔥, 2💬

💬 2021-11-12 huj: kurwa huj

💬 2021-10-19 Bogo: thanks!

native2ascii - Encoding Converter Command and Options
This section describes the native-to-ASCII encoding converter 'native2ascii' and its options. Non-ASCII characters in a Java source file must be converted into \uXXXX Unicode sequences before giving it to the Java compiler. 2024-01-10, ∼4504🔥, 30💬

💬 2024-01-10 ez: Bonjour

💬 2023-07-25 sasa: -~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[];Ì= (ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+([ ].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ó+ ó]+(!''+'...

💬 2023-03-29 asafsas: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2022-11-30 dhidhdi: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2022-08-06 đè: ó=-~É,Ë=É<<É,þ=Ë+~[]

(More comments ...)

Downloading and Installing GNU Unifont
A tutorial example is provided on how to download and install GNU Unifont font family on Windows 7 systems. 2023-07-19, ∼4444🔥, 5💬

💬 2023-07-19 DoublePOOF: thank you

💬 2019-10-23 Sajjad Amin: thank you

💬 2019-07-28 dipen: thank you.

💬 2015-12-06 Herong: D, maybe you can start with What Is Unicode? .

💬 2015-12-05 d gayen: i want to understand what is unicode

Manage Keychains with Commands
This section provides a quick introduction on how to manage keychains with command line tools. 2022-10-01, ∼4438🔥, 0💬

JVM "-verbose:class" Option
This section provides a tutorial example on how to the '-verbose:class' option on the 'java' command to see when and where classes are loaded into the JVM. 2019-07-19, ∼4431🔥, 1💬

OpenSSL "enc -bf-cbc" for Blowfish/CBC Encryption
Tutorial notes and example codes are provided OpenSSL 'enc -bf-cbc' command for Blowfish encryption in CBC mode. Topics include introduction of CBC (Cipher Block Chaining) cipher operation mode; Literal Key options to specify secret key and IV directly; Salted Key and Random Salt options to specify ... 2022-07-08, ∼4386🔥, 2💬

💬 2020-09-24 ajmal: 123

RsaKeyGenerator.java for RSA Key Generation
This section describes the initial draft of a RSA public key and private key generation implementation using the java.math.BigInteger class. 2017-01-05, ∼4384🔥, 2💬

💬 2017-01-05 Herong: Alex, you are right. q should be selected independently from p. I will make a change in the next revision.

💬 2016-12-28 Alex T.: Using nextProbablePrime() to compute q appears somewhat risky to me: An attacker with the knowledge of N=p*q could simply comput...

What Is a Digital Signature?
This section describes what is a digital signature and what is the process of generating and verifying digital signature from a message. 2020-02-23, ∼4380🔥, 4💬

💬 2020-02-23 Herong: Sanjay, you are welcome!

💬 2020-02-17 Sanjay: Thank u so much

💬 2019-01-29 nilo: Hola

💬 2016-04-26 santosh patil: Its easy to understand

Chinese Horoscopes - The Pig/Boar Personality
People born in the year of the pig are steady and resolute in doing things, and honest and warm-hearted to other people. Competent and persistent as they are, they will spare no efforts in fulfilling any job assigned to them. Though simple-minded, they always have their own opinions. They hope that ... 2021-01-17, ∼4375🔥, 0💬

Chinese Festivals - Chihsi (Chinese Valentine)
On the evening of the seventh day of the seventh month on the Chinese lunar calendar, look carefully at the sky and you will, weather permitting, see the Cowherd (a bright star in the constellation Aquila, west of the Milky Way) and the Weaving Maid (the star Vega, east of the Milky Way) appear clos... 2022-01-09, ∼4372🔥, 0💬

getSelectedItem() - Selected Item of Combo Box
This section provides a tutorial example on how to use the getSelectedItem() method to know which option is selected from a combo box. 2022-10-01, ∼4371🔥, 0💬

Archived: Install ActivePerl v5.8.8 on Windows Systems
This section provides a tutorial example on how to install ActivePerl v5.8.8 on a Windows XP system. 2016-04-02, ∼4335🔥, 1💬

💬 2016-04-02 rimpi: perl

Shift-JIS Encoding
This section provides a quick introduction of Shift-JIS, also called MS Kanji, encoding, which maps a JIS X0208 character to a 2-byte sequence using a complicated schema designed by Microsoft. 2025-10-22, ∼4332🔥, 11💬

💬 2025-10-22 hammond: チョータノシー

💬 2022-03-12 ddfdfd: hey how are you

💬 2021-12-01 lakshay: what is shift-jis encoding

💬 2020-09-18 Utkarsj: hello hi bye

💬 2020-04-03 Qqqq: スーパー

(More comments ...)

新冠病毒疫苗种类和工作机制
新冠病毒疫苗有哪些种类？各种疫苗的工作机制是什么？各种疫苗有哪些特点？下面我们对这些问题进行初步的解答：什么是全病毒疫苗什么是病毒载体疫苗什么是核酸疫苗什么是蛋白疫苗新冠疫苗一览表阿斯利康新冠疫苗中国生物新冠疫苗辉瑞新冠疫苗科兴生物新冠疫苗莫德纳新冠疫苗 ⇒ 什么是全病毒疫苗 ⇐ 新冠病毒感染过程 ⇑⇑ 新冠病毒(SARS... 2021-02-10, ∼4327🔥, 0💬

Removing IE Addon "Groove GFS Browser Helper"
This section provides a tutorial example on how to disable and remove 'Groove GFS Browser Helper' addon from Internet Explorer. 2019-03-02, ∼4318🔥, 4💬

💬 2019-03-02 Herong: Kurteb, try to close IE, then delete the file. Or restart your PC in safe mode to delete the file.

💬 2019-02-26 Kurteb: after disabling it, cannot delete it from the folder, even using Revo or Ccleaner.

💬 2017-07-15 Herong: EEZEE66, maybe ccleaner is just reporting that the registry entry of the plug is in still exists, not actively running in IE.

💬 2017-07-14 EEZEE66: I found that even disabling it in manage add ons really didn't turn it off. I used ccleaner in tools choose browser plug ins and...

The Chinese Calendar - Introduction
Introduction In the English-speaking world we use the Gregorian calendar, a 1582 modification (named after Pope Gregory XIII) of the "Julian" calendar established by Julius Caesar in ancient Rome. Although many other calendars have existed through history, and others are used in large parts of the w... 2021-10-19, ∼4315🔥, 0💬

Variable Declaration and "Dim" Statement
This section provides a quick introduction of what is a variable and how variable can be declared explicitly with a Dim statement and implicitly with an assignment statement. 2017-12-30, ∼4310🔥, 3💬

💬 2014-12-14 Herong: Peter, Yes, you are correct. DIM is an abbreviation for "Declare in Memory", see " Siebel VB Language Reference " published by O...

💬 2014-12-01 Peter: Ehm DIM stands for "dimension"? Or perhaps it's an abbreviation for "Declare in memory"..

System Startup Selections - Normal and Diagnostic Startups
This section describes 3 startup modes provided by the system configuration tool 'msconfig.exe' and how to use the Diagnose Startup mode. 2016-04-30, ∼4298🔥, 1💬

💬 2015-12-14 bazzah: evoking the blackvomit.

EC Key in PEM File Format
This section provides a tutorial example on the EC key PEM file format. EC domain parameters are stored together with the private key. 2023-09-17, ∼4293🔥, 1💬

💬 2023-09-17 ecformat: this is to test EC format

Chinese Calendar - History and Traditions
Chinese Calendar: The Chinese Calendar - Introduction The Chinese Calendar - A Short Introduction Historical Developments in Chinese Calendar / Astronomy The Mathematics of the Chinese Calendar Zu Chongzhi and the Chinese Calendar Reform of 462 AD Introduction to Chinese Calendar - How the astronome... 2021-01-17, ∼4253🔥, 0💬

Accessing Oracle Server through Web Interface
This section describes how to access an Oracle Server through its Web interface. 2022-11-15, ∼4251🔥, 0💬

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