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... 2023-03-09, 11651👍, 3💬

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RsaKeyValidator.java for RSA Key Validation
This section provides a tutorial example on how to validate RSA keys by encrypting and decrypting some random sample messages. 2023-02-19, 538👍, 2💬

💬 2023-02-19 test: hello i m

OpenSSL "enc -bf-ofb" for Blowfish/OFB Encryption
Tutorial notes and example codes are provided OpenSSL 'enc -bf-ofb' command for Blowfish encryption in OFB mode. Topics include introduction of OFB (Output FeedBack) cipher operation mode; Literal Key options to specify secret key and IV directly; Salted Key and Random Salt options to specify secret... 2023-02-15, 400👍, 2💬

__pycache__/module.version.pyc Files
This section provides a quick introduction to the __pycache__/module.version.pyc file. which is a binary file created by the Python system to store the compiled version of the given module file. 2023-02-15, 163👍, 1💬

💬 2023-02-15 yasin: nice explanation

What Is DER (Distinguished Encoding Rules) Encoding?
This section describes the DER (Distinguished Encoding Rules) - A binary format of encoding a data value of any data types including nested data structures. 2023-02-13, 25385👍, 11💬

💬 2023-02-13 Amar: Amar

💬 2022-12-02 Victor: meaningful comments.

💬 2018-10-29 Thanks!: meaningful comments.

💬 2017-03-15 noname: thanks

💬 2016-01-25 Dev: hello

Building a New DOM Document Object
This section provides a tutorial example on how to build a new DOM Document object and print it out as DOM Node tree. 2023-02-13, 176👍, 1💬

💬 2023-02-13 Red: Thanks

Permission Error on php-cgi.exe
This section describes the error of 'You don't have permission to access /cgi-bin-php/php-cgi.exe/hello .phpon this server.' It is caused by the syntax change in the PHP directory access permission configuration settings. 2023-02-11, 299👍, 1💬

💬 2023-02-11 mohammadsh: thanks.i changed file cofig in httpd.conf by code above that you say.and i can run my project.thanks very much

Uninstall Bitcoin Core for Windows
This section describes how to uninstall Bitcoin Core for Windows. 2023-02-10, 1804👍, 63💬

💬 2023-02-10 Sophie: Trading isn’t easy without proper knowledge but that doesn’t mean it has stopped making people rich. Cryptocurrency is here to s...

💬 2022-06-18 firwarehacks: ⚠️CRYPTO TRADING SCAM ALERT⚠️ ❌ Crypro Trading, Forex Trading, Stock Trading and their likes are a means of making money but i...

Archived: Downloading and Installing JDK 1.3.1 on Windows
This section provides a tutorial example on how to download and install JDK (or J2SE) 1.3.1 on a Windows 2000 system. A simple Java program was entered, compiled, and executed with the new JDK installation. 2023-02-07, 4574👍, 5💬

💬 2023-02-07 Hakizimana issa: hello how is 0

💬 2021-08-04 Bob: can i play hypixel on this

💬 2017-08-07 anurag tiwari: i 'm not satisfied with your features

Registry Hives - HKCR, HKCU, HKLM, HKU, HKCC, and HKPD
This section provides quick introductions on the Windows registry hives - top level registry keys on Windows XP systems. 2023-02-04, 26929👍, 5💬

💬 2023-02-04 Anonymous: What does "HKUS" mean?

💬 2022-06-27 Lukugo: clean

💬 2019-08-21 le hunter: ███░░░░░le░░░░░░░░░░░░░░░░░░░░░░░░░░ ░██░░░░░░hunter░░░░░░░░░░░░░░░░░░░░░░ ...

💬 2015-09-27 le toucan: ░░░░░░░░▄▄▄▀▀▀▄▄███▄░░░░░░░░░░░░░░░░ ░░░░░░▄▀▀░░░░░░░▐░▀██▌░░░░░░░...

Free Chinese Calendar 2024 - Year of the Dragon
Want to know when is the 2024 Chinese New Year day? Look for free Chinese calendars for 2024? Chinese New Year Date for Year 2024 The Dragon 2024 February 10 Saturday Chinese New Year ⇒ Free Chinese Calendar 2025 - Year of the Snake ⇐ Free Chinese Calendar 2023 - Year of the Rabbit ⇑ Chinese New ... 2023-02-03, 43115👍, 1💬

💬 2023-02-03 Agnes Kim: Hey my mom and dad only celebrate their birthday following the lunar calendar, so all 3 of the kids end up missing their birthda...

JPEG Image File Format Quality and Size
This chapter provides tutorial notes and example codes on JPG (JPEG) image file format. Topics include saving images in JPEG format; comparing file sizes of JPEG and BMP formats; comparing image quality and file size of JPEG compression quality levels: 95%, 90%, 85%, 75%, 50%, and 25%. 2023-02-02, 369👍, 4💬

My First Servlet Page on macOS
This section provides a tutorial example on how to create the first Servlet Java class to test the Servlet support of the Tomcat Web server on macOS systems. 2023-02-02, 518👍, 2💬

"WScript" Runtime Object Hierarchy
This section describes WSH runtime objects: WScript and its properties. A tutorial example is provided on how to use WScript.StdIn and WScript.StdOut. 2023-02-02, 199👍, 1💬

French Characters in HTML Documents - UTF-8 Encoding
This section provides a tutorial example on how enter and use French 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. 2023-02-01, 2029👍, 2💬

💬 2023-02-01 ‘),: )', ‘),

💬 2023-01-19 bash: du Xixe Siècle|48|Contenant les Meilleures Méthodes de Culture Usitées en France

UTF-8 Encoding Algorithm
This section provides a tutorial example on how to write a programming algorithm to encode characters with UTF-8 encoding. 2023-02-01, 7808👍, 6💬

💬 2023-02-01 Abdelrahman: Thank you very much!

💬 2023-01-31 Herong: Abdelrahman, you can read the " UTF-8 Encoding " section. It contains UTF-8 encoding requirements and example. The 6-bit shiftin...

💬 2023-01-29 Abdelrahman: Thank you for this, Herong! The algorithm is simple and clear to understand. The one part that I don't understand is why it uses...

💬 2019-09-27 Andrew Dillon: This was very useful. It really helped clarify the explanation in the Unicode Specification. Thank you!

💬 2016-03-30 Herong: Deniz, you are welcome!

(More comments ...)

Create Copay Wallet Backup
This section describes how to create Copay wallet backup. 2023-01-31, 192👍, 1💬

💬 2023-01-31 alex: Hello everyone, Speedy recovery are the only true and guaranteed cryptocurrency recovery professionals. I want to tell you about...

"Err.Raise()" - Raising Your Own Errors
This section provides a tutorial example on how to raise your own runtime errors with the Err.Raise(number, source, description) method. The error number should be in the range of 0 and 65535. 2023-01-28, 15698👍, 4💬

💬 2023-01-28 adheesh: i ment something else

💬 2016-05-07 Herong: Donald, I don't understand your question. More details please.

💬 2016-05-06 Google Chrome 50.0.2661.94 m: Google Chrome Un navigateur Web conçu pour offrir rapidité, simplicité et sécurité Obtenir de l'aide sur l'utilisation de Goog...

💬 2016-05-06 Donald Duck: Please include a list of the different possible values for number. Thanks☺

Base64 Encoding Algorithm
This section describes the Base64 encoding algorithm with some simple encoding examples. 2023-01-26, 22061👍, 31💬

💬 2023-01-26 JB: Seizka

💬 2022-10-19 budi: nice

💬 2022-02-06 ANONYMOUS: Wow! Nice explain.. Thanks a lot ;)

💬 2021-11-21 Jack: The best explanation of Base64 encoding! Thanks!

💬 2021-11-19 ME: I like it

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application/x-www-form-urlencoded Encoding in Java
This section provides a tutorial example on how to use Java URLEncoder class to perform application/x-www-form-urlenco dedencoding and decoding. 2023-01-24, 8833👍, 3💬

💬 2023-01-24 fsdfsfd: csafa

💬 2017-03-31 s: &response=00&responseTimeSta mp=1490897171453&externalId=123f gh&type=AUTHORIZE_RESPONSE&serviceId=102&re...

💬 2016-09-22 dasgjdfa: test & good

Ethereum Account Keystore File
This section describes the keystore file that contains the private key of an Ethereum account. 2023-01-17, 772👍, 1💬

💬 2023-01-17 Agba: How can I decrypt one??

Chinese Character Set Encoding Options
This section providing information on character set encoding options for Chinese Web pages: UTF-8, GB, and Big5 2023-01-06, 3740👍, 4💬

💬 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

Send Ether from MetaMask to Private Network
This section describes how to send Ether from the MetaMask account to my Ether private network. 2023-01-06, 223👍, 1💬

💬 2023-01-06 Agus: 0x31F147D536875Cd0edeE22EE2Eb12a5EBd 6A28b7

Web Server Log File Samples - IIS and Apache
This section provides a quick introduction of Web server log files with examples of IIS and Apache servers. 2023-01-05, 36209👍, 38💬

💬 2023-01-05 baig: thanks

💬 2022-11-11 Herong: Yes, IIS log file format hasn't changed for 20 years!

💬 2022-11-06 Petr: In 2022 still useable :]

💬 2022-11-01 tom: for research

💬 2022-06-20 Manish Raj: Nice

(More comments ...)

HelloServerWsdl.php - SOAP 1.2 Server Application in WSDL Mode
This section describes a tutorial example of a complete SOAP application with both server and client programs using SOAP 1.2 in WSDL mode. 2023-01-05, 17751👍, 14💬

💬 2023-01-05 pepe: god!!

💬 2017-10-26 Herong: Bel, can you show me your client program here?

💬 2017-10-26 Bel: Hi! I managed to fix my problem before. Client works with php nusoap but returns an error when consumed by ASP.net/C# (Response ...

💬 2017-09-27 Lubos: the only tutorial I found that really expains php soap with wsdl.. thanks a lot

💬 2017-04-01 Herong: Bel, are you try to call the "__" operation in your code?

(More comments ...)

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