Herong's Tutorial Examples

Free Chinese Calendar 2026 - Year of the Horse
Want to know when is the 2026 Chinese New Year day? Look for free Chinese calendars for 2026? Chinese New Year Date for Year 2026 ⇒ Free Chinese Calendar 2027 - Year of the Goat ⇐ Free Chinese Calendar 2025 - Year of the Snake ⇑ Chinese New Year Dates in 2021 to 2030 ⇑⇑ Free Chinese Calendars 2025-12-23, ≈145🔥, 0💬

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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, ∼6763🔥, 2💬

Chinese astrology - Wikipedia
Chinese astrology (占星術 pinyin: zhàn xīng shù; 星學 pinyin: xīngxúe ; 七政四餘 pinyin: qī zhèng sì yú; and 果老星宗 pinyin: gǔo lǎo xīng zōng) is related to the Chinese calendar, particularly its 12-year cycle of animals (aka Chinese Zodiac), and the fortune-telling aspects according to movement o... 2021-11-18, ∼6737🔥, 0💬

"Hello" Web Service
"Hello" is an XML document based Web service for testing purpose only. High level information about this "Hello" Web service: WSDL Document: Hello_WSDL_11_SOAP.wsdl . WSDL Version: 1.1 WSDL Binding Extension: SOAP 1.1 Transportation: SOAP 1.1 over HTTP Operation Name: Hello Operation Style: default ... 2024-02-06, ∼6731🔥, 2💬

Chinese Horoscopes - The Rabbit Personality
People born in the year of the rabbit are the luckiest among "the twelve animals." The rabbit is a symbol for mercy, elegance, amiability and worship of beauty. People born in this year are kind, speak gently, peaceful, quiet and loving persons. They like to live easy lives. They are reserved person... 2021-08-13, ∼6684🔥, 0💬

EC Cryptography Tutorials - Herong's Tutorial Examples
This EC (Elliptic Curve) cryptography tutorial book is a collection of notes and sample codes written by the author while he was learning cryptography technologies himself. Topics include rule of chord and point addition on elliptic curves; Abelian groups with additive/multiplicative notations; EC a... 2024-11-16, ∼6672🔥, 4💬

💬 2022-07-27 Aman: Perfect book to help my 'encoding' project. Thank you!

💬 2020-06-23 Herong: Chris, contact me by email. I will send you a PDF copy. Thanks for your comment.

💬 2020-06-22 chris: Sorry for fuss. Bought this ebook on google. bad idea. Should have not done that and just got the physical book or maybe ebook o...

💬 2019-01-01 Yale: Thank you!

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, ∼6646🔥, 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...

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, ∼6631🔥, 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...

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, ∼6624🔥, 2💬

💬 2016-10-31 Shivin: haha very good

Ethereum Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial examples on Ethereum and blockchain. Topics include include: What is Ethereum; What is blockchain; Ethereum market value; What is Go Ethereum (Geth); Running a private Ethereum network with Geth; What is Ethereum Mist wallet; What is MetaMask wallet; Ethereum mi... 2023-12-06, ∼6612🔥, 5💬

💬 2022-07-10 Lori: Thanks for such a good book. It helps me a lot!

💬 2022-06-22 vinay: very good and clear

💬 2018-05-11 meizumx4pkwn: tanxs so much Doc..request to share this to myFam n Frenz..

💬 2018-03-11 Ed: Thanks!

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, ∼6549🔥, 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!

(More comments ...)

AES MixColumns() Procedure Algorithm
A detailed description of the MixColumns() procedure algorithm is provided. The MixColumns() procedure performs a matrix multiplication of a given 'state' with a static matrix. The MixColumns() procedure is used in the AES encryption process. 2023-06-10, ∼6515🔥, 3💬

💬 2021-12-24 Muhammad Ghulam Ghouse: Appreciated

💬 2021-11-15 123: AD E0 B8 1E BF B4 41 27 5D 52 11 98 30 AE F1 E5

setMnemonic() - Setting Keyboard Mnemonics on Menu Items
This section provides a tutorial example on how to use setMnemonic() method to associate mnemonics to menu items. Mnemonics allows user to interact with menu items using keys on keyboard. 2023-04-27, ∼6504🔥, 5💬

💬 2023-04-27 a: thanks

💬 2021-02-05 Hailemelekot: good.

💬 2020-11-20 rose: nic

"geth --light" - Ethereum Node Light Mode
This section describes 'geth --light' - Ethereum node in light mode 2020-01-28, ∼6487🔥, 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. 2026-01-24, ∼6479🔥, 67💬

💬 2026-01-24 xing: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 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)+'\'

(More comments ...)

Planning Your Wedding: Setting The Date
Some determining factors that influence the date are the time of year you want to be married, the size and formality of your wedding, the availability of the location you want, and possibly your work schedules. The final decision of when to get married is the bride and groom's. However, couples ofte... 2021-09-25, ∼6450🔥, 0💬

Using openConnection() Method in java.net.URL Class
This section provides a tutorial example on how to use the openConnection() method in the java.net.URL class to perform a GET method on an HTTPS server. Java Secure Socket Extension (JSSE) works quietly behind the java.net.URL class to provide HTTPS support. 2022-07-08, ∼6399🔥, 3💬

💬 2015-08-05 ashkart: doesnt work indeed. Connection type got, connection object got too. But then there is an exception "java.net.ConnectException: C...

💬 2015-08-05 ashkart: sorry, works fine, i forgot i'm behind the proxy...

Operations on "byte" Data Type Values
This section provides a tutorial example on how 'byte' values are casted to 'int' values when they are involved in arithmetic, comparison and bitwise operations. 2017-01-21, ∼6393🔥, 2💬

💬 2017-01-21 Herong: Anonymous, Good question. But what do you expect an operation of byte+byte will do?

💬 2017-01-19 Anonymous: Reason for why byte doesn't holds good the + operator directly.

Bitcoin Tutorials - Herong's Tutorial Notes
This book is a collection of tutorial examples on Bitcoin and blockchain. Topics include Blockchain, Bitcoin, Cryptocurrency, Merkle Tree, Mining, SHA256, Wallet. Key sections include: What is Bitcoin, What is blockchain, Bitcoin market value, Browsing Bitcoin data blocks on blockchain.com, Browsing... 2022-09-14, ∼6388🔥, 9💬

💬 2021-06-21 Ashish: thank

💬 2018-03-07 Neil Shrestha-Birtch: Awesome stuff again! I want to build my skills to be a Core dev one day!

💬 2018-02-16 Cindy: Very good for beginners!

Retrieving BLOB Values with getBlob() Method
This section describes how to retrieve BLOB values with the ResultSet.getBlob() method. 2022-10-18, ∼6351🔥, 0💬

Chinese Characters in HTML Documents - UTF-8 Encoding
This section provides a tutorial example on how enter and use Chinese characters in HTML documents using Unicode UTF-8 encoding. The HTML document should include a meta tag with charset=utf-8 and be stored in UTF-8 format. 2024-01-18, ∼6350🔥, 5💬

💬 2024-01-18 JACKY: 您好

💬 2023-05-08 你好你好: 你好

💬 2023-03-20 Paolo: L'elefante correva nel prato

💬 2021-09-16 r: 你好

💬 2016-01-06 thomas: help needed.

New Year (Spring Festival) - First Day of Lunar Year
When is the Chinese New Year Day? How is it celebrated? What are the traditions? Chinese New Year (Chinese: 春節, 春节, Chūnjíe; 農曆新年, 农历新年, Nónglì Xīnnián; or 過年, 过年, Guònián), also known as the Lunar New Year or the Spring Festival is the most important of the traditional Chinese holidays. ... 2022-11-22, ∼6324🔥, 2💬

Installing LG USB Device Driver on Windows
This section provides a tutorial example on how to install the LG USB device driver for LG-P925g Android phone on Windows system. This is needed to test your Android application developed on Windows on LG phones via a USB connection. 2016-03-24, ∼6307🔥, 7💬

💬 2016-03-24 vamshi: hi hi hi

💬 2015-08-27 Herong: Renee, did you double-click on the downloaded file to actually install the driver to your computer?

💬 2015-08-26 Renee' Flory: Even after I download the program, the Driver Software Installation box does not come up. Even as the phone receives a charge fr...

什么是核酸疫苗
什么是核酸疫苗？它的工作机制是什么？核酸疫苗又可以细分成两个小类：DNA疫苗，mRNA疫苗。 1. DNA疫苗 - DNA疫苗是用新冠病毒的S蛋白基因制成的DNA链条。 DNA疫苗的工作机制如下：先将新冠病毒的S蛋白基因制成DNA链条。然后将这些DNA链条，输入人体。接着使用电穿孔（Electroporation）技术，瞬时提高细胞膜的通透性，帮助DNA链条融入人体细胞，并进入细胞... 2021-05-04, ∼6306🔥, 0💬

Chinese Horoscopes - The Tiger Personality
People born in the year of the tiger have a lively disposition and are forthright and uninhibited in nature. They are broad-minded and quick to action. But there is another aspect to their characters. They are full of suspicion, and sometimes will take hasty action. They never hide their feelings. T... 2022-05-26, ∼6291🔥, 1💬

💬 2022-05-26 Tiger Jim: This is me!! But I was born 7 decades before the year of the Tiger. Was I just a late bloomer?

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