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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Java Tutorials - Herong's Tutorial Examples
This tutorial book is a collection of notes and sample codes written by the author while he was learning Java himself. Topics covered in the book include: Java language basics; execution environment; generic classes and parameterized type; generic methods and type argument inferences; enum types and... 2022-07-22, ≈10🔥, 9💬

💬 2022-07-22 Chris: This is an easy to read book on the Java language. I recommend this book to all beginners.

💬 2016-03-05 SOUMO BISWAS: YES

💬 2016-02-26 Herong: Maurice, Thanks for the positive feedback!

💬 2016-02-25 Maurice: It is a great JVM book

💬 2015-12-05 Herong: Yogesh, we need better examples than what you have suggested...

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Windows 8: Turning on Windows Defender
This section provides a tutorial example on how to turn on Windows Defender for real-time protection on Windows 8 systems. 2016-06-08, ≈10🔥, 5💬

💬 2016-06-08 Herong: Steve, which part was not working?

💬 2016-06-01 Steve: Didn't work

💬 2016-01-27 Er.Jasim Anamangadan: Thanking you Helped me out Thanks Er.Jasim Anamangadan

💬 2015-08-26 Ivan: Quite easy to follow!

💬 2015-08-07 anonymous: this really helped me !! i googled some of the solutions but it make me go to command prompt.. but this one is very easy and sim...

Best Chinese Music - 中国经典音乐
This is a collection of best and well-known Chinese music works selected by the author. Key words include Chinese, Music, Classic, Best, Well-known, Song, Traditional, Modern, Download, Listen, 中国, 音乐, 歌曲, 经典, 传统, 现代, 下载, 收听. 2021-10-07, ≈10🔥, 4💬

💬 2021-10-07 Herong: Thomas, I will try. ☺

💬 2021-10-05 Thomas Tien: Dr. Yang, please recommend more songs between 2000 - 2099: Best 21st Century Music. Thanks!

💬 2017-02-11 Herong: Deyi, which ones are you interested? You can listen to most of them online for free.

💬 2017-02-07 Deyi Hu: Dr. Yang: Is there a way for me to purchase the pieces of music that you have collected here on this page?

Object Query Language (OQL)
This section describes what is OQL (Object Query Language). OQL statement syntax and examples are also provided. 2021-07-21, ≈10🔥, 3💬

💬 2016-09-02 Jach: hello world ,I'm Jack!

VBScript Tutorials - Herong's Tutorial Examples
This VBScript tutorial book is a collection of notes and code samples written by the author while he was learning VBScript (Visual Basic Scripting Edition) himself. Topics include: The Variant Data Type with Subtypes; Fixed-Size and Dynamic-Size Arrays; Function Arguments Passed by References and by... 2020-04-25, ≈10🔥, 2💬

💬 2020-04-25 my name is idiot: Me wants it die

💬 2016-05-23 Herong: James, your email address is not working. Please contact me.

Deprecated: Get Free Ether from faucet.ropsten.be
This section describes how to get some free Ether from faucet.ropsten.be. 2024-02-07, ≈10🔥, 100💬

💬 2024-02-07 Ppdudek: 0x05162BEDEeEF9cd2727d8857d7c463847E 65782e

💬 2023-11-29 Ivan: 0x0c06280C0c39EFC750275433C3AA9ce0e8 EA3588

💬 2023-11-20 DR DENNIS: Message me for powerful obsession Black magik LOVE spell and falling in love with me spell that really working perfect with vood...

💬 2023-10-23 rahul: thanku

💬 2023-09-25 Nvard: 0xC0669381d85031c58dC2C08e2B7Ccd48E0 30304Dtnx in advance

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JDBC-ODBC - Connecting to MS Access Database Files
This section describes how to connect to a SQL Server 2005 through DSN with JDBC-ODBC Bridge. 2022-10-01, ≈10🔥, 0💬

Perl Tutorials - Herong's Tutorial Examples
This Perl tutorial book is a collection of notes and sample codes written by the author while he was learning Perl language himself. Topics include introduction of ActivePerl; data types, variables and expressions; scalars, arrays, hash maps, and references; input/output and file systems; DBM files ... 2020-11-12, ≈10🔥, 6💬

💬 2020-11-12 Rajat: Hi Herong sir, I am getting error while doing $mech->post for a request every time.Error looks like this `read timeout at /usr/s...

💬 2017-10-23 guru: That's an issue with the Perl script, not with running the script itself, and it deserves another question (not here, on Stack O...

💬 2017-10-06 drhvr: mysql I added root as user and password.in singlequotes. It works great

💬 2014-03-17 Steven Klotz: Hi Herong, I found this web site while looking for PERL examples. Your knowledge and the amount of work you done (docu, tutorial...

💬 2010-11-22 Herong: Kim, Yes, you can prompt the user for a path name, open directory with opendir(), loop through each files, use the -s operator t...

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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, ≈10🔥, 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

"java --list-modules" - Listing Modules in JDK
This section provides a tutorial example on how to use 'java --list-modules' command to list all modules included in the JDK installation. 2019-06-01, ≈10🔥, 4💬

💬 2019-06-01 Herong: Klaus, it's probably getting them from the C:\Program Files\Java\jdk-10.0.1\lib\modules file. But you can also see a list of mod...

💬 2019-05-24 Klaus: Hi, where does this command get the modules? What is the file they lie in? I'm using CentOS

💬 2019-02-19 Herong: Felix, Thanks for pointing out the typo! It will corrected in the next update.

💬 2019-02-14 felix lee: The line "C:\herong>javac --list-modules" should be "C:\herong>java --list-modules". s/javac/java/

Drawing Graphics - Using paint() on Frame
This section provides a tutorial example on how to override the paint() method in the javax.swing.JFrame class to draw graphics (a rectangle) on the frame window. This solution is not recommended. 2023-06-11, ≈10🔥, 8💬

💬 2023-06-11 Herong: Janis, It is not recommended, because it draws on the entire window including the title bar area.

💬 2023-06-06 Janis: Why solution is not recommended? It is perfect.

💬 2016-11-12 SuperSasRabushna: I'm super saiyan!!! rabushna!

💬 2016-11-12 Ciciozxz: I think you are the best eu!

"bad decrypt:./crypto/evp/evp_enc.c:461" Error
This section provides a tutorial example on why OpenSSL 'pkcs12' failed with 'bad decrypt:./crypto/evp/evp_enc.c :461'error. The root cause is the key password different than file password. 2015-09-10, ≈10🔥, 1💬

💬 2015-09-10 Action Here: this totally helped me.

Popular Book List
Popular Books: Android Tutorials Bitcoin Tutorials C# Tutorial Examples Cheminformatics Tutorials Cryptography Tutorials Data Encodings EC Cryptography Email Tutorials Ethereum Tutorials Flash Tutorials Free Web Services GB2312 Character Set HTML Tutorials Java Tutorial Examples Java GC Tutorials Ja... 2025-09-30, ≈10🔥, 0💬

Free Chinese Calendar 2033 - Year of the Ox
Want to know when is the 2033 Chinese New Year day? Look for free Chinese calendars for 2033? Chinese New Year Date for Year 2033 ⇒ Free Chinese Calendar 2034 - Year of the Tiger ⇐ Free Chinese Calendar 2032 - Year of the Rat ⇑ Free Chinese Calendars: 2031 - 2040 ⇑⇑ Free Chinese Calendars 2021-10-23, ∼9984🔥, 0💬

"keytool" Commands and "keystore" Files
This chapter provides tutorial notes and example codes on the 'keytool' command. Topics include introduction of public key certificates, 'keystore' file, 'keytool' command; generating new keys and self-signed certificates; exporting and importing certificates; cloning certificates to share keys. 2015-11-23, ∼9966🔥, 3💬

💬 2015-08-10 mike: Cool

Downloading and Running Flash Player Projector
This section describes a tutorial example on how to download and run Adobe Flash Player Projector to play Flash applications stored in SWF files without using Web browsers. 2023-03-12, ∼9871🔥, 4💬

💬 2023-03-12 Pedro: thanks

💬 2020-12-02 acef: merci infiniment

"sc.exe" - A Command Line Tool to Manage Services
This section describes the Service Controller (SC) command line tool, sc.exe, which can be used to add new services, or to query, modify, start, stop and delete existing services. 2016-04-06, ∼9835🔥, 1💬

💬 2016-04-06 Ambadas: ya great full command ...

Chinese Wedding Dates
Hi, I'm getting married next year and I stumbled across your auspicious wedding dates for 2017. Your dates are consistent with http://www.chinesefortunecalen dar.com/GoodEvents.htm, but they are different from those listed on http://www.yourchineseastrolog y.com/calendar/. From what I understand, th... 2016-07-05, ∼9744🔥, 1💬

💬 2016-07-05 Herong: Tom, Congratulations! The two Websites do provide different sets of "official" auspicious wedding dates for 2017. May be you can...

Inserting BLOB Values with SQL INSERT Statements
This section describes how to insert BLOB values as normal strings using INSERT statements. 2022-11-23, ∼9558🔥, 0💬

java.util.Locale - Localization and Internationalization
This section provides a tutorial example on how to use java.util.Locale class to verify the default locale and list all supported locales. A locale is an identification of a combination of human language and country. 2018-08-01, ∼9524🔥, 4💬

💬 2016-12-25 Herong: jfseb, thanks for pointing out this difference.

💬 2016-12-19 jfseb: Note that java locales do not correspond in all versions to ISO 639. e.g. hebrew is now he, not iw. https://en.wikipedia.org/wik...

💬 2016-05-06 Scrijna: P.S. It's also useful for Java, iOS and Windows localization, as it supports most popular localization formats.

💬 2016-05-06 Scrijna: For Android app localization, you could try using the localization tool https://poeditor.com It's useful for collaborative trans...

Illustration of RSA Algorithm: p,q=5,7
This section provides a tutorial example to illustrate how RSA public key encryption algorithm works with 2 small prime numbers 5 and 7. 2023-06-08, ∼9516🔥, 11💬

💬 2022-12-11 Racheal mweemba: This was helpful

💬 2022-12-11 Racheal Mweemba: ❤️❤️❤️❤️

💬 2022-04-23 Shivam: Please provide the code for the same

💬 2021-12-23 x: 5

💬 2020-11-22 Herong: fab, as shown in the tutorial, the modulus is 35. The encryption key (public key) is 5, and the decryption key (private key) is ...

(More comments ...)

Free Chinese Calendar 2034 - Year of the Tiger
Want to know when is the 2034 Chinese New Year day? Look for free Chinese calendars for 2034? Chinese New Year Date for Year 2034 ⇒ Free Chinese Calendar 2035 - Year of the Rabbit ⇐ Free Chinese Calendar 2033 - Year of the Ox ⇑ Free Chinese Calendars: 2031 - 2040 ⇑⇑ Free Chinese Calendars 2021-10-19, ∼9514🔥, 0💬

Free Chinese Calendar 2032 - Year of the Rat
Want to know when is the 2032 Chinese New Year day? Look for free Chinese calendars for 2032? Chinese New Year Date for Year 2032 ⇒ Free Chinese Calendar 2033 - Year of the Ox ⇐ Free Chinese Calendar 2031 - Year of the Boar ⇑ Free Chinese Calendars: 2031 - 2040 ⇑⇑ Free Chinese Calendars 2021-10-23, ∼9509🔥, 0💬

Dragon Boat Festival - 5th Day of 5th Lunar Month
When is the Chinese Dragon Boat Festival? How is it celebrated? What are the traditions? Dragon Boat Festival is celebrated on the fifth day of fifth moon. The proper name for this festival is the Upright Sun Festival , but foreigners in China referred to it as the Dragon-Boat Festival. The Fifth Mo... 2021-09-24, ∼9460🔥, 2💬

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