Herong's Tutorial Examples

PKI Tutorials - Herong's Tutorial Examples
This tutorial book is a collection of notes and sample codes written by the author while he was learning PKI (Public Key Infrastructure) technologies himself. Topics include Root CA (Certificate Authorities); SSL, TLS, and HTTPS; Server and client authentication processes; Communication data encrypt... 2026-05-06, ≈14🔥, 5💬

💬 2024-11-16 Jay Sarna: Thankyou Dr. Yang. Got it.

💬 2024-11-10 Herong: Hi Jay, I have shared the PDF file with your google account. You should receive a notification with a download link.

💬 2024-10-03 Herong: Hi Jay, I am sorry that you haven't received the PDF file yet. It was sent on Sep 12 to your gmail address. It looks like gmail ...

💬 2024-10-01 Jay Sarna: Request for purchased books ----------------------------- Hello Dr. Yang I hope you are ok. I purchased pdf copy of this book vi...

💬 2016-02-07 john: thanks!

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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, ∼7061🔥, 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?

"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, ∼7025🔥, 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?

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, ∼7019🔥, 0💬

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, ∼7002🔥, 3💬

💬 2018-10-11 cxtr: tanks 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, ∼6979🔥, 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!

Retrieving CLOB Values with getClob() Method
This section describes how to retrieve CLOB values with the ResultSet.getClob() method. 2022-10-01, ∼6971🔥, 0💬

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, ∼6966🔥, 2💬

Lucky Wedding Dates: 2021 - 2030
Where to find lucky wedding dates for year 2021 to 2030? Lucky wedding dates for year 2021 to 2030: Lucky Wedding Dates: 2021 - Year of the Ox Lucky Wedding Dates: 2022 - Year of the Tiger Lucky Wedding Dates: 2023 - Year of the Rabbit Lucky Wedding Dates: 2024 - Year of the Dragon Lucky Wedding Dat... 2021-05-26, ∼6890🔥, 0💬

Lucky Wedding Dates: 2031 - 2040
Where to find lucky wedding dates for year 2031 to 2040? Lucky wedding dates for year 2031 to 2040: Lucky Wedding Dates: 2031 - Year of the Boar Lucky Wedding Dates: 2032 - Year of the Rat Lucky Wedding Dates: 2033 - Year of the Ox Lucky Wedding Dates: 2034 - Year of the Tiger Lucky Wedding Dates: 2... 2021-07-27, ∼6889🔥, 0💬

Commonly Used JDBC Class Methods
This section lists some commonly used JDBC classes and methods. 2022-10-01, ∼6879🔥, 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, ∼6869🔥, 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

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, ∼6837🔥, 0💬

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, ∼6817🔥, 2💬

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, ∼6792🔥, 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...

Lucky Wedding Dates: 2035 - Year of the Rabbit
Where to find lucky wedding dates for year 2035? Lucky Wedding Dates: 2035 - Year of the Rabbit ⇒ Lucky Wedding Dates: 2036 - Year of the Dragon ⇐ Lucky Wedding Dates: 2034 - Year of the Tiger ⇑ Lucky Wedding Dates: 2031 - 2040 ⇑⇑ Wedding Date - The Most Important Date of Your Life 2021-03-14, ∼6768🔥, 0💬

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, ∼6749🔥, 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!

Chinese Horoscopes - The Rat
The Rat Being born a Rat is nothing to be ashamed of. In China, the Rat is respected and considered a courageous, enterprising person. It is deemed an honor to be born in the Year of the Rat and it is considered a privilege to be associated with a Rat. Rats know exactly where to find solutions and c... 2021-09-30, ∼6746🔥, 0💬

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, ∼6740🔥, 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...

The Chinese System of Heaven Stems and Earth Branches
What Heaven Stems & Earth Branches Are Chinese have traditionally made use of a specialized number system that counts from 1 to 60. The numbers in this system consist of a first digit from a series of ten "Heaven Stems" (tiāngān 天干 ) and the second from a series of twelve "Earth Branches" (... 2021-12-08, ∼6726🔥, 0💬

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, ∼6689🔥, 2💬

💬 2016-10-31 Shivin: haha very good

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, ∼6676🔥, 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

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, ∼6663🔥, 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 ...)

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, ∼6622🔥, 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.

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. 2026-02-20, ∼6620🔥, 68💬

💬 2026-02-20 eudeael: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 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]+(!''...

(More comments ...)

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