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, ≈13🔥, 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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JDBC Tutorials - Herong's Tutorial Examples
This JDBC tutorial book is a collection of notes and sample codes written by the author while he was learning JDBC technology himself. Topics include installing JDK and Derby database server; using Derby JDBC driver; database connection URLs; introduction to Result Set; Meta Data, Prepared Statement... 2020-12-11, ≈11🔥, 10💬

💬 2017-06-26 NIRMAL PUDASAINI: how cani get it?

💬 2015-12-15 hassan: nice, can i get it please?

💬 2015-09-20 Alan: Nice

💬 2011-01-21 Herong: Agree. The driver class must be loaded as shown in this tutorial: Loading Driver Class with Class.forName() .

💬 2011-01-18 John: For the JDBC tutorials, you must add: Class.forName with newInstance before making connection.

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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, ≈11🔥, 0💬

Archived: Downloading/Installing JDK 1.6.2 on Windows
This section provides a tutorial example on how to download and install JDK 1.6.2 (Java SE 1.6 Update 2) on a Windows XP system. A simple Java program was entered, compiled, and executed with the new JDK installation. 2018-08-11, ≈11🔥, 15💬

💬 2018-08-11 mikw: thanks

💬 2017-02-27 sireesha: thanks

💬 2017-02-27 sireesha: Hi, I am admire to this site

💬 2017-01-29 hiiii: hi

💬 2016-10-17 Abhishek: Thanks

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Checking FTP Server Log File
This section provides a tutorial example on how to check FTP server log file. 2019-09-15, ≈11🔥, 5💬

💬 2019-09-15 Herong: Steve, Yes. This is from IIS 5.1. I will update it, when I get a chance.

💬 2019-09-12 SteveC: IIS 5.1 was released on Windows XP. Tis information is obsolete (which is why the date has been removed from the #Date line). II...

💬 2018-04-28 Herong: Scott, the IIS settings.

💬 2018-04-27 Scott: if you look at setting...... what settings?

💬 2016-09-25 Humphrey Bogart: meaningful comments

"for-each" - Looping through a Node Set
This section describes the 'for-each' element, which is used in the content of a 'template' element. The 'for-each' element is a loop statement that be used to repeat a block of output content over each node in a node set. 2017-04-09, ≈10🔥, 3💬

💬 2016-10-06 Herong: Bart, Thanks for pointing out the errors. They are fixed now.

💬 2016-10-04 Bart: <xsl:for-each select="text()"/> XSL statements </xsl:for-each> is no legal xml. You end your for-each tag in the b...

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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QUERY_STRING - CGI Query String
This section describes what is QUERY_STRING and how to use to receive information from the HTTP request URL. 2019-12-16, ≈10🔥, 3💬

💬 2019-12-16 jyothirmayee: Hhank u very much

💬 2015-10-26 jimmy: hello

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, ≈10🔥, 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...

BankingThread.java - Synchronization Sample Program
This section provides a tutorial example on how to solve the banking synchronization issue with Java synchronized methods. 2017-01-21, ≈10🔥, 5💬

💬 2017-01-21 Herong: Abhishek, I think this is the simplest example to demonstrate multi-threading and synchronization.

💬 2017-01-18 Abhishek: This is too complex for a beginner. Please write a simpler one.

💬 2016-09-17 Herong: dot.g, really? please give details.

💬 2016-09-15 dot.g: worst kind of programming

💬 2015-07-24 tintin: hi

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?

Free Chinese Calendar 2036 - Year of the Dragon
Want to know when is the 2036 Chinese New Year day? Look for free Chinese calendars for 2036? Chinese New Year Date for Year 2036 ⇒ Free Chinese Calendar 2037 - Year of the Snake ⇐ Free Chinese Calendar 2035 - Year of the Rabbit ⇑ Free Chinese Calendars: 2031 - 2040 ⇑⇑ Free Chinese Calendars 2021-09-30, ≈10🔥, 0💬

Other Tutorial Books and Tools
Other Tutorial Books and Tools Physics Notes - Herong's Tutorial Notes his book is a collection of notes on physics. Key sections are: What Is Space; How far is 1 meter; Frame of Reference; Coordinate Systems; What Is Time; How long is 1 second; What Is Speed; Newtons' Laws of Motion; Special Theory... 2021-02-14, ≈10🔥, 0💬

Free Chinese Calendar 2035 - Year of the Rabbit
Want to know when is the 2035 Chinese New Year day? Look for free Chinese calendars for 2035? Chinese New Year Date for Year 2035 ⇒ Free Chinese Calendar 2036 - Year of the Dragon ⇐ Free Chinese Calendar 2034 - Year of the Tiger ⇑ Free Chinese Calendars: 2031 - 2040 ⇑⇑ Free Chinese Calendars 2021-10-19, ≈10🔥, 0💬

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...

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!

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, ≈10🔥, 4💬

💬 2023-03-12 Pedro: thanks

💬 2020-12-02 acef: merci infiniment

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, ≈10🔥, 2💬

Free Chinese Calendar 2038 - Year of the Horse
Want to know when is the 2038 Chinese New Year day? Look for free Chinese calendars for 2038? Chinese New Year Date for Year 2038 ⇒ Free Chinese Calendar 2039 - Year of the Goat ⇐ Free Chinese Calendar 2037 - Year of the Snake ⇑ Free Chinese Calendars: 2031 - 2040 ⇑⇑ Free Chinese Calendars 2023-12-26, ≈10🔥, 3💬

💬 2023-12-26 Herong: Xu, you’re most welcome!

💬 2023-12-18 L Xu: Thank you so much for sharing the beautiful Chinese calendars.

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💬

"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!

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

"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.

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