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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2030-2040 Lunar Calendar
I've created Chinese Lunar calendars for my Chinese partner for ten years but your website calendars end at 2029 (http://www.herongyang.com/202 9/2029_chinese_calendar_v3.pdf )Can you please create more for me? marvin@metrocast.net Sure, just give me a few days. - Herong 2018-06-01, ∼7024🔥, 0💬

Installing AdventureWorks Sample Database
This section describes how to install AdventureWorks as a sample database on SQL Server. 2022-10-01, ∼6995🔥, 0💬

Laba Festival - 8th Day of 12th Lunar Month
When is the Chinese Laba Festival? How is it celebrated? What are the traditions? The 8th day of the 12th lunar month is the Laba Festival (Chinese: 腊八节, 臘八節). The 12th lunar month is the last of month of the year and time for sending out the old year and preparing for the new year. So ancient Chi... 2021-05-26, ∼6990🔥, 0💬

Java Compilation and Execution Processes
This section provides a quick introduction of Java compilation and execution process. 2020-04-30, ∼6973🔥, 10💬

💬 2020-04-30 Abdul Razzaq from Pakistan: Thanks Yiu

💬 2016-12-04 ak: Thx

💬 2016-09-22 rodriguesss: thanks

💬 2016-03-05 Shohel: THanks lot

💬 2016-01-05 Rishika: THANK U

(More comments ...)

Examples of Unicode Characters
Some samples of Unicode characters are provided here with their glyphs, code points, code names and code blocks for the purpose of demonstration. 2024-01-23, ∼6970🔥, 0💬

"openssl enc" Converting Keys from Binary to PEM
This section provides a tutorial example on how to convert a private and public key pair stored in binary PKCS#8 format into PEM (Privacy Enhanced Mail) format with the 'openssl enc' command. 2018-01-20, ∼6929🔥, 2💬

💬 2018-01-20 Herong: Dan, Thanks for comment. The "-inform" and "-outform" options are definitely better options. This tutorial will be updated.

💬 2018-01-17 Dan Lukes: openssl dsa understands binary key's format as well. Just claim it using option '-inform DER'. Moreover, 'openssl dsa -inform DE...

Downloading and Installing JRockit R28.2.7
This section provides a tutorial example on how to download and install Oracle JRockit 6 R28.2.7 on Windows systems. 2022-12-10, ∼6900🔥, 3💬

💬 2018-10-11 cxtr: tanks good

"adb logcat -v" Command - Log Format Control
This section describes how to use the 'adb logcat -v' command option to control the format of log entries. 'adb logcat -v long' dumps all data elements of each log entry. 2016-08-02, ∼6885🔥, 2💬

💬 2016-08-02 Herong: jayakrishna, I don't think Android is recording log entries in microsecond accuracy.

💬 2016-07-22 jayakrishna: here logcat is having milli sec accuracy, is it possible to get in micro seconds?

Retrieving CLOB Values with getClob() Method
This section describes how to retrieve CLOB values with the ResultSet.getClob() method. 2022-10-01, ∼6882🔥, 0💬

Install OpenLDAP Server on CentOS 8
This section provides a tutorial example on how to build and install OpenLDAP server from source code. But release 2.4.9 seems to have problems on CentOS 8 systems. 2024-02-07, ∼6854🔥, 3💬

💬 2021-08-12 Antonoly: thank you a lot! 2.4.50 is working for me

Chinese Wedding Traditions
I. The Proper Procedures: Three Letters and Six Etiquette This is the elaborate process on the groom's parents' part to look for the right kind of bride for their family. Rich families will look for a bride who can take care of household finances and most importantly, give birth to sons to inherit t... 2021-10-07, ∼6853🔥, 0💬

新冠病毒(SARS-CoV-2)结构, 感染过程和疫苗
新型冠状病毒自2019年12月初爆发以来，到2021年1月底为止，已经造成了全人类的一场巨大灾难。在短短一年左右，新型冠状病毒感染了一亿多（102,871,6 14）人，夺走了两百多万（2,225,773）宝贵的生命。为了让读者对新型冠状病毒有更加深刻的了解，我这里编辑了一些有关新型冠状病毒的基础知识，为战胜新型冠状病毒贡献一份力量。什么是“20... 2021-02-15, ∼6814🔥, 1💬

💬 2021-02-15 羽仙: 谢了！

Commonly Used JDBC Class Methods
This section lists some commonly used JDBC classes and methods. 2022-10-01, ∼6810🔥, 0💬

DES Decryption Algorithm
This section describes DES decryption algorithm - identical to the encryption algorithm step by step in the same order, only with the subkeys applied in the reverse order. 2020-05-19, ∼6725🔥, 4💬

💬 2020-05-19 Nick: test comment

💬 2019-06-17 bIPFaV0PLbO9qrDgn+p43A==: bIPFaV0PLbO9qrDgn+p43A==

💬 2017-12-16 Herong: deepak, is this a encrypted comment?

💬 2017-12-11 deepak: 9bc94bbaf6d380eb8f8c6548b2cf6343ccef 5978768e3d69b796d6ef0839172b

javax.net.debug - Debugging SSL Socket Communication
This section provides a tutorial example on how to use JVM property, javax.net.debug, to turn on the SSL socket communication debug option. The debug output message can help you to know what exactly happens at the SSL layer. 2017-03-02, ∼6722🔥, 2💬

Choosing a Wedding Date - When You are Feeling Indecisive
For some couples, it's easy  they know just when they want to tie the knot. For others, it's less clear. After all, you have a lot of options. Even more than you might think, since it's really not necessary to get married on a Saturday. Friday and Sunday afternoons are good choices too, an... 2021-09-25, ∼6653🔥, 0💬

Archived: Windows XP Component "Update Root Certificates"
This section describes the process used by Windows XP component, Update Root Certificates, to communicate to Windows Update Website to fetch a trusted root certificate and install in on the local computer automatically. 2020-06-08, ∼6574🔥, 4💬

💬 2020-06-08 Herong: Onur, If the error is cause by IE auto-updating root certificate, you can download and install the missing root certificate manu...

💬 2020-06-01 Onur: Hi there, Since last a few weeks, although I have XP SP3 and the most recent crypt32.dll versioned 5.131.2600.6459, I get numero...

💬 2019-04-13 Herong: Leo, can you run the "certmgr" command on your Windows XP? It provides functions to install root certificates to your computer.

💬 2019-04-08 Leo: I know this article is outdated, but I'm still looking for a way to update the 'Root certificates' in Windows XP SP3, by install...

Lock Types and Lock Levels
This section describes 2 types of locks: Read Lock (Shared Lock) and Write Lock (Exclusive Lock), and 3 levels of locks: Table Lock, Row Lock, and Column Lock. 2019-01-02, ∼6572🔥, 2💬

💬 2016-10-31 Shivin: haha very good

Using VBScript with Internet Explorer 11
This section provides tutorial example on how to enable script running and disable 'Edge' mode in IE 11 to load Web pages embedded with VBScript code. 2022-04-01, ∼6533🔥, 5💬

💬 2021-01-03 Herong: Rory, thanks for sharing the information!

💬 2020-12-29 Rory Sellers: I found this extremely clear and timely! Thank you. There was one slight deviation from what I found on my Win 10 (IE11) laptop:...

💬 2020-05-11 Herong: John, I moved your question here under the correct tutorial topic. Hope others can help you out as I don't have IE 11 anymore.

💬 2020-05-11 John: I have followed your article and Updated IE 11 3 Times Trying to get the Latest Version. But the Persist Emulation Settings Butt...

Lucky Wedding Dates: 2022 - Year of the Tiger
Where to find lucky wedding dates for year 2022? Lucky Wedding Dates: 2022 - Year of the Tiger ⇒ Lucky Wedding Dates: 2023 - Year of the Rabbit ⇐ Lucky Wedding Dates: 2021 - Year of the Ox ⇑ Lucky Wedding Dates: 2021 - 2030 ⇑⇑ Wedding Date - The Most Important Date of Your Life 2021-09-12, ∼6519🔥, 0💬

阿斯利康新冠疫苗
阿斯利康新冠疫苗的结构和工作机制是什么？阿斯利康新冠疫苗是由英国阿斯利康（AstraZeneca）研发的COVID-19疫苗，代号为AZD1222。阿斯利康新冠疫苗是一种复制型病毒载体疫苗，使用基于普通感冒病毒（腺病毒）的弱化版本的复制缺陷型黑猩猩病毒作为载体，内部包含新冠病毒的突刺蛋白的 RNA链条。阿斯利康新冠疫苗的工作机制和其它复制... 2021-07-19, ∼6507🔥, 0💬

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. 2023-11-19, ∼6476🔥, 10💬

💬 2023-02-23 CYR: Thanks for providing the detail example, it helps me to understand the algorithm a lot. The value for g looks like incorrect to ...

💬 2021-01-09 Flying Horse: Hello Dr Yang, My verification scheme is as follows lhs = (r**s mod p)mod q rhs = ((g**h mod p)*(y**r mod p)) mod q If lhs = rhs...

💬 2021-01-08 Herong: Flying, give us an example to show that this verification scheme is not working?

💬 2021-01-07 Flying Horse: Hello Dr Yang, this is a very helpful tutorial. I am trying a different verification scheme for DSA signature. Unfortunately, it...

💬 2020-06-22 Filip: Very helpful, thanks!

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"geth --light" - Ethereum Node Light Mode
This section describes 'geth --light' - Ethereum node in light mode 2020-01-28, ∼6438🔥, 2💬

💬 2020-01-28 Herong: Sword, a “light” node only stores block headers. So it can not perform any transactions without the help from a “full” or “fas...

💬 2020-01-23 sword_smith: Can you tell us what a 'fast' node can do that a 'light' node cannot do? Are there any RPC calls that will be slower or disabled...

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. 2025-07-09, ∼6419🔥, 66💬

💬 2025-07-09 Fullty: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2023-11-24 xddd: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2022-10-03 tag: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2022-06-09 hupo: (É+ó)+(ó+ó)+'\'

💬 2022-05-29 aaa: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

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