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, ≈15🔥, 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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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, ∼4613🔥, 1💬

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

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, ∼4607🔥, 0💬

康希诺新冠疫苗 - 研发时刻表
康希诺新冠疫苗是什么时候开始研发的？什么时候获批的？康希诺新冠疫苗从立项到研发、建设、生产、上市，用了一年左右的时间。下面是详细的时刻表： 2020年1月陈薇院士率医学专家組赴武漢研究新冠病毒 2020年3月16日，疫苗研制完成，成为中国首个获得临床试验的新冠疫苗2020年4月10日，完成第I期临床试验，共有108位志愿者试验2020年6月11日，完成第II期临床试... 2021-07-19, ∼4592🔥, 0💬

Horoscope - Wikipedia
In astrology, a horoscope is a chart or diagram representing the positions of the planets, other celestial bodies, and sensitive angles at the time of any moment in time or any event, such as a person's birth. The term horoscope is derived from Greek words meaning, "a look at the hours." Other commo... 2021-12-08, ∼4590🔥, 0💬

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, ∼4588🔥, 1💬

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

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, ∼4568🔥, 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...

科兴生物新冠疫苗 - 保护效力
科兴生物新冠疫苗的保护效力是多少？巴西针对18岁及以上医务人员的研究共入组12396名受试者，获得253例监测期有效病例。按照0,14天程序接种2剂疫苗14天后预防由新冠病毒所致疾病（COVID-19）的保护效力为：对住院、重症及死亡病例的保护效力为100%，对有明显症状且需要医疗干预的新冠病例的保护效力为83.7%，对包括不需医疗干预的轻症病例在内的所有新冠病例保护效... 2021-07-19, ∼4567🔥, 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, ∼4543🔥, 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"..

Chinese Festivals - Qingming Festival
The Qingming (Pure Brightness) Festival is one of the 24 seasonal division points in China, falling on April 4-6 each year. After the festival, the temperature will rise up and rainfall increases. It is the high time for spring plowing and sowing. But the Qingming Festival is not only a seasonal poi... 2021-12-23, ∼4540🔥, 0💬

Table Column and Row Merge or Span
This section provides a tutorial example on how to merge or span table columns and rows with table-cell[@number-columns-spa nned]and/or table-cell[@number-rows-spanne d]attributes. 2022-11-23, ∼4522🔥, 1💬

💬 2022-11-23 FZW: 感谢您明晰的示例

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, ∼4504🔥, 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...

HTML Tutorials - Herong's Tutorial Examples
This tutorial book is a collection of notes and sample codes written by the author while he was learning HTML himself. Topics include HTML5 and HTML 4.01 standards; HTML document structure; HTML element and attribute syntax; embedding SVG to generate graphics; embedding JavaScript code; adding (CSS ... 2021-08-26, ∼4493🔥, 168💬

💬 2021-08-26 pHqghUme: 1

💬 2020-04-26 rookiemonkey: meaningful comment here

Accessing Oracle Server through Web Interface
This section describes how to access an Oracle Server through its Web interface. 2022-11-15, ∼4492🔥, 0💬

"RefillOrder" Web Service - WSDL 1.1 and SOAP 1.2
"RefillOrder" is an XML document based Web service for testing purpose only. High level information about this "Reservation" Web service: WSDL Document: RefillOrder_WSDL_11_SOAP_12_Do cument.wsdl. WSDL Version: 1.1 WSDL Binding Extension: SOAP 1.2 Transportation: SOAP 1.2 over HTTP Operation Name: R... 2021-03-07, ∼4492🔥, 0💬

Illustration of RSA Algorithm: p,q=7,19
This section provides a tutorial example to illustrate how RSA public key encryption algorithm works with 2 small prime numbers 7 and 19. 2016-02-29, ∼4483🔥, 3💬

💬 2015-11-01 Herong: Jun, AES algorithm is added now, see Introduction to AES (Advanced Encryption Standard) .

💬 2015-10-17 Herong: Jun, thank you for pointing out the mistake. I will correct it in the next version. AES will also be included.

💬 2015-10-16 jun: thanks a lot. your book makes everything clear for me except that I have not found a char for AES. By the way, I think "Generati...

Lucky Wedding Dates: 2018 - Year of the Dog
Where to find lucky wedding dates for year 2018? Lucky Wedding Dates: 2018 - Year of the Dog ⇒ Lucky Wedding Dates: 2019 - Year of the Boar ⇐ Lucky Wedding Dates: 2017 - Year of the Rooster ⇑ Lucky Wedding Dates: 2011 - 2020 ⇑⇑ Wedding Date - The Most Important Date of Your Life 2021-04-04, ∼4482🔥, 0💬

Generate secp256k1 Keys with OpenSSL
This section provides a tutorial example on how to generate EC (Elliptic Curve) private and public key pairs using secp256k1 domain parameters. 2023-08-10, ∼4474🔥, 3💬

💬 2023-08-10 emanuel: thanks , it was realz helpfull. can zou tell me how can i encrzpt with btc key some message, because btc use the same secp256k1 ...

"g++ -l..." to Link with Library Files
This section provides a tutorial example on how to use 'g++ -static' and 'g++ -l...' options to link your program with static or dynamic library files. 2026-04-11, ∼4455🔥, 4💬

💬 2026-04-11 piotrek: mama kupa zatkala kran!! pomocy!! wylewa sie

💬 2022-06-20 AA: hello

Full Version in PDF/EPUB
Information on how to obtain the full version of this book in PDF, EPUB, or other format. 2020-02-25, ∼4449🔥, 9💬

💬 2020-02-25 Herong: Yes, share knowledge!

💬 2020-02-19 vicky: share knowledge

💬 2016-01-08 Abhijeet: HI

💬 2015-12-22 Sunil: Thanks

💬 2015-12-18 pakki: to know about webservice with soap

(More comments ...)

Chinese Festivals - Chinese Valentine's Day
Chinese Valentine's Day - The seventh day of the seventh lunar month Raise your head on August 4 and gaze at the stars, you will find something romantic going on in the sky. VALENTINE'S Day in China, the seventh day of the seventh lunar month, falls on August 4 this year. VALENTINE'S Day in China, t... 2022-01-02, ∼4438🔥, 0💬

康复者血浆治疗技术
什么是康复者血浆治疗技术？康复者血浆治疗技术是采集新冠病毒康复者的血浆，对血浆进行核酸检测、病毒灭活工艺等工序后，通过成熟的血浆制备技术，研发制备病毒灭活血浆，用于重症患者的临床治疗技术。 2020年1月31日，中国科技部明确由中国生物承担国家重点研发计划“公共安全风险防控与应急技术装备”重点专项 “2019-nCoV感染恢复... 2021-07-19, ∼4434🔥, 0💬

Open Firewall for MySQL Server on CentOS
This section provides a tutorial example on how to setup MySQL server and firewall to client computers to use TCP/IP connections on CentOS 8 systems. 2022-10-01, ∼4427🔥, 0💬

Differences between "Object" and "Array"
This section provides a quick description of similarities and differences of 'Array' and 'Object'. A tutorial example is provided on how to compare an 'Array' object to an 'Object' object. 2021-02-11, ∼4421🔥, 6💬

💬 2019-09-12 jagdish: test

"g++ -I..." and CPATH Environment Variable
This section provides a tutorial example on how to use 'g++ -I...' option and/or CPATH environment variable to specify paths of include header files for GCC compiler. 2023-04-01, ∼4419🔥, 1💬

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