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Creating Tables with AUTO_INCREMENT Columns
This section describes how to create a table with an AUTO_INCREMENT column.
2019-01-03, 1608👍, 4💬

💬 2016-01-22 gokul: useful

GB2312 vs. Unicode
A quick introduction of GB2312 is provided. Topics include GB2312 character set; Location Codes; Native Codes; Unicode; GBK encoding and Unicode character set.
2019-01-03, 1014👍, 6💬

💬 2019-01-03 qq: Thanks!

💬 2018-06-13 linfeng: This works finally. Thanks so much.

💬 2017-06-07 XuL: helpful.thx

💬 2016-02-15 Herong: Kunhai, you can run my Java program to generate the map. See GB2312Unicode.java - GB2312 to Unicode Mapping.

💬 2016-02-15 kunhai huang: i need the map

(More comments ...)

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, 1701👍, 2💬

💬 2016-10-31 Shivin: haha very good

Tutorial Book List
Tutorial Books: Android Tutorial Examples Bitcoin Tutorial Examples C# Tutorial Examples Cryptography Tutorial Examples Data Encoding Tutorial Ethereum Tutorial Examples Flash Tutorial Examples Free Web Services GB2312 Character Set HTML Tutorial Examples Java Tutorial Examples JDK Tutorial Examples...
2019-01-01, 558👍, 0💬

Ethereum Tutorials - Herong's Tutorial Notes
This free book is a collection of tutorials and notes on Ethereum and blockchain. Topics include Blockchain, Ethereum, Cryptocurrency, Mining, MetaMask, Wallet.
2019-01-01, 924👍, 2💬

💬 2018-05-11 meizumx4pkwn: tanxs so much Doc..request to share this to myFam n Frenz..

💬 2018-03-11 Ed: Thanks!

Java GC Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial notes and sample codes written by the author while he was learning JVM GC (Garbage Collection) processes. Topics include Java Garbage Collectors, STW (Stop-The-World), Serial Collector, Parallel Collector, Concurrent Collector, G1 Collector, GC Algorithms, Gener...
2019-01-01, 853👍, 1💬

💬 2018-06-17 Jack: It's helpful!

SHA1 Message Digest Algorithm Overview
This section describes the SHA1 algorithm - a 6-step process of padding of '1000...', appending message length, preparing 80 process functions, preparing 80 constants, preparing 5 word buffers, processing input in 512 blocks.
2018-12-28, 11624👍, 7💬

💬 2018-12-28 '">alert(2): '">&lt;script>alert(1)&lt;/s cript>

💬 2017-10-26 Herong: Jamal, w(0), ..., w(15) are initial values. w(16), ..., w(79) are used on the left side of the assignment operator to store stor...

💬 2017-10-25 Y. Jamal: Hi, we have w(0), w(1),....w(15) how come in the For loop we have W(t) and t goes from 16 to 79. something is not right.

💬 2017-09-29 Herong: I don't think it takes the length of bits. But I will double check it.

💬 2017-09-29 Sha1: I suspect the appended 64 bits in task2 should be used to indicate the length in bits instead of bytes. Reference: https://csrc....

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Downloading and Installing XML Notepad
This section provides a tutorial example on how to download and install XML Notepad 2007 on Windows systems.
2018-12-27, 246👍, 1💬

💬 2018-12-27 Raj: Thanks

PHP Implementation of DES - mcrypt
This chapter provides tutorial examples and notes about PHP implementation of DES. Topics include introduction of mcrypt library; mcrypt encryption functions; DES encryption and decryption test program and test result.
2018-12-22, 1783👍, 4💬

💬 2018-12-22 Hari: Hello

💬 2016-01-02 sivaprakash: nice

Using java.net.HttpURLConnection to Send SOAP Messages
This section describes steps to follow if you want to use the java.net.HttpURLConnection class to send out a SOAP XML message.
2018-12-21, 31864👍, 13💬

💬 2018-12-21 Herong: RAS, Yes. That's a good example on sending a file as a SOAP attachment. I thought you were looking for example on sending files ...

💬 2018-12-18 RAS: Thanks Dr. Herong for your reply. I've gone through the link you've shared but in that way, there's no way to pass other paramet...

💬 2018-12-18 Herong: RAS, Sending (or uploading) files from a client depends what how the server want to receive them. If the server support multipar...

💬 2018-12-17 RAS: Thanks Dr. Herong for the link but I'm not able to convert it to a sample codeset. Can you help me with it?

💬 2018-12-16 Herong: RAS, if you want to send a file with HTTP POST method, check RFC 1867 - Form-based File Upload in HTML.

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The Constancy of the Speed of Light
This section provides a thought experiment to help understanding the second assumption of the special theory of relativity: The constancy of the speed of light.
2018-12-18, 161👍, 2💬

💬 2018-12-18 Herong: Hiroji, Thanks for sharing your comment and the article. I will definitely read it.

💬 2018-12-17 hiroji kurihara: Speed if Light On everything of a light ray before incoming (on wavelength, amplitude, waveform, etc and on these varying), obse...

DES Algorithm Java Implementation
This chapter provides tutorial examples and notes about DES algorithm implementation in Java language. Topics include an example Java implementation of DES encryption and decryption algorithm; test cases of single block cleartext and ciphertext.
2018-12-13, 6603👍, 16💬

💬 2018-12-13 syed zia ur rehman: i realy like your link

💬 2017-10-15 Herong: CipherDES.java also works as a decryption program. Try it by running "java DesCipher decrypt keyFile input output".

💬 2017-10-09 aa: thanks, but where i can find DES decryption

💬 2017-10-09 Denys: thx

💬 2017-04-23 aa: thanks

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What Is Gopher?
This section provides a quick introduction of the Gopher protocol that allows distributed documents to be linked and presented as a hierarchy of items and directories.
2018-12-08, 197👍, 2💬

💬 2018-12-08 Herong: Agree. Gopher was so easy to use with a keyboard on a text screen ☺

💬 2018-12-06 me: so nice piece of history, thx

"async" Function Example
A tutorial example is provided on how to write an 'async' function with Task return type. An 'async' function needs an 'await' expression to trigger a child thread to split executions.
2018-12-08, 133👍, 3💬

💬 2018-12-08 Herong: Alan, Thanks for sharing the issue and the solution. It's definitely helpful.

💬 2018-12-06 Alan: Found the reason: https://blog.stephencleary.com/2012/ 07/dont-block-on-async-code.html

💬 2018-12-06 Alan: This code works. Then I insert this into a WindowsForms app, activate on a button click, and it just hangs. Why?

What Is XML Tools Plugin for Notepad++
This section describes XML Tools Plugin, which provides a small set of useful tools for editing XML documents in Notepad++.
2018-12-07, 16593👍, 11💬

💬 2018-12-07 David: thanks

💬 2018-11-22 Sac: great

💬 2018-04-11 boy: jo schen donk junger monn

💬 2017-10-10 Froes: valeu

💬 2017-09-28 Albi: nice

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Using SHA1 Message Digest in Java
This section provides a tutorial example on how to use SHA1 message digest algorithm in Java. The JDK JCE package offers the SHA1 algorithm through a generic message digest class, javax.security.MessageDigest.
2018-12-04, 15513👍, 11💬

💬 2018-12-04 Gowtham: Great & Layman Terms

💬 2018-09-12 Onkar D: very good summary about SHA1

💬 2018-08-31 Munikumar: Great...

💬 2017-10-24 Siva: Thanks

💬 2017-08-24 Superman: &lt;script>alert("xss");&lt; /script>

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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.
2018-12-03, 10787👍, 12💬

💬 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?

💬 2017-03-28 Bel: I am using nusoap, btw...

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XSLT Transformation
This section provides a tutorial example on how to perform XSLT (Extensible Stylesheet Language Transformations) using XML Tools Plugin in Notepad++.
2018-11-23, 17345👍, 18💬

💬 2018-11-23 Robert: Super, Thank you very much.

💬 2018-11-22 Herong: Shu, The "dictionary.xsl" listed above is a valid XSLT file. Can you double check the steps on how you performs the transformati...

💬 2018-11-13 Shu: I used the sample and then got an error "Unable to apply transformation on current source. Make sure that XSL is valid". What's ...

💬 2018-06-01 Chris: Thank you very much :D

💬 2018-06-01 Herong: Chris, I don't know any solution to make that happen. Maybe some Notepadd++ expert can help to create a custom hot key to run th...

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Displaying Chinese Characters in Frame Title
This section provides a tutorial example on how to display Chinese characters in the title bar of a frame window with a given Chinese font.
2018-11-22, 198👍, 2💬

💬 2018-11-22 Herong: SuperMario, Thanks for sharing your comments. Are you still using JDK 1.1.8?

💬 2018-11-19 SuperMario: For the old JDK the characters are displayed as "?" because that's the default character defined in the JRE to display when no c...

"Property Let/Set/Get" Procedures
This section provides a tutorial example on how to use 'Property Let/Set/Get' procedure to define public properties.
2018-11-22, 14125👍, 8💬

💬 2018-11-22 Herong: vba4dummies, "sEmail" is an argument of the "Let Email()" function. It will get its value when the function is called.

💬 2018-11-11 vba4dummies: What/how is "sEmail" defined as? Good explanation but doesn't help that parts of code are missing.

💬 2017-06-05 pepe: thanks!

💬 2017-04-25 utmozt: nice tutorial!

💬 2016-11-02 Herong: Christian, RegExp is a built-in class in VSScript. You can use it anywhere you want to. In this tutorial, RegExp is used to crea...

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Outdated: 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.
2018-11-13, 1021👍, 3💬

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

Outdated: Visiting an "https" Web Site with Firefox 3
This section describes how Firefox 3 shows a lock icon when you visit an 'https' Web site to provide you more security related information.
2018-11-10, 131👍, 2💬

💬 2018-11-10 Herong: Falle, try to use whois.icann.org to get more information about that website.

💬 2018-11-10 Falle: Thanks for your help . I couldn't access full information about cardtopia.org a website that scammed me of apple gift cards wort...

Using Google Chrome as an XML Syntax Checker
This section provides a tutorial example on how to use Google Chrome as an XML file syntax checker. If there are syntax errors in an XML file, Chrome will stop displaying the XML file at the first error location.
2018-11-10, 1479👍, 3💬

💬 2018-11-10 Herong: ej, You are right. Chrome can only parse an XML document and print out issues that occur during the parsing process. If you want...

💬 2018-11-08 ej: While the information contained here seems to be correct, I would use the term "well wormedness verification" in place of "synta...

💬 2017-08-11 literal nazi: meaningful comments

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.
2018-11-04, 4031👍, 3💬

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

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

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