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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, 1797👍, 4💬

💬 2016-01-22 gokul: useful

Windows 7: Disable Scheduled Tasks
This section provides a tutorial example on how to review tasks that have been scheduled to run on a Windows 7 system in the background and disable any unwanted tasks.
2016-10-20, 1772👍, 4💬

💬 2016-10-20 Herong: Branksome, your right panel is probably turned off. You can turn it on by clicking the last icon below the menu. You can also ac...

💬 2016-10-18 Branksome: On my Win7 system, there is no right panel with an option to delete. What I would prefer to do is reduce the schedule to run les...

💬 2016-03-30 Herong: David, There is a button on "Task Scheduler" to disable all of them. You should not allow any program to be scheduled on your ho...

💬 2016-03-23 David Betts: Hi, I was looking for a solution that disabled all tasks. However I can now find my way around the entries . I think I will leav...

Printable Copy - PDF Version
Information on how to obtain the PDF version of this book for printing.
2018-02-07, 1764👍, 5💬

💬 2017-01-08 Herong: Rex, see my email to your qq.com account.

💬 2017-01-08 rex: how to download this book

💬 2015-09-09 mani: require more details

Downloading and Installing soapUI 3.0.1
This section provides a tutorial example on downloading and installing soapUI 3.0.1 on Windows system.
2017-12-27, 1750👍, 5💬

💬 2017-12-27 Aldo: 10 Points !

💬 2017-07-25 apple: 急需!!

💬 2015-09-08 Abdul Latheef: Need SoapUI.

💬 2015-07-29 b vijay: good

Installing JDK 1.8 on Windows System
This chapter provides tutorial notes on installing JDK (Java Development Kit) on Windows systems. Topics include downloading and installing Java SE Development Kit 8u45; compiling and executing Java programs; setting up JAVA_HOME environment variable.
2017-01-23, 1749👍, 3💬

💬 2017-01-23 aaa: ok

💬 2015-12-29 raghu: thanks

'native2ascii' - Encoding Converter Command and Options
This section describes the native-to-ASCII encoding converter 'native2ascii' and its options. Non-ASCII characters in a Java source file must be converted into \udddd Unicode sequences before giving it to the Java compiler.
2019-03-23, 1731👍, 9💬

💬 2019-03-23 cc: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-03-17 jack: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-01-19 bb: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2018-10-24 gggg: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2018-10-20 Herong: nb, that's interesting new version of the same JavaScript code: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; ...

(More comments ...)

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, 1713👍, 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

PDF Printing Version: JDK Tutorials
Information on how to obtain the PDF version of this book for printing.
2017-09-29, 1682👍, 5💬

💬 2017-09-29 gloax29: merci

💬 2015-11-20 sameer: good going

💬 2015-09-02 Herong: Dharshan, you can follow tutorials presented at JSSE - Java Implementation of SSL and TLS.

💬 2015-09-01 Dharshan: I want to learn JSSE

PC Register and Native Method Stack
This section describes PC Registers and Native Method Stacks, which are reserved one per thread. Normal Java applications do not have any significant impact on PC Registers and Native Method Stacks.
2019-08-14, 1666👍, 3💬

"OpenSSL" Generating CA's Private Key
This section provides a tutorial example on how to use OpenSSL to generate a RSA private key of 2048 bit long with OpenSSL. This key will be used as the CA's private key and must stored securely in a file with password protection.
2018-02-03, 1666👍, 1💬

💬 2018-02-03 atomic.kidd: most Excellent Herong for this sharing of excellent Informations. Even the openssh documentation is not up to date nor as accura...

Opening UTF-16LE Text Files
This section provides a tutorial example on how to open a UTF-16LE text file with Nodepad correctly by selecting the Unicode encoding option on the open file dialog box.
2018-09-09, 1665👍, 3💬

💬 2018-09-09 Nit: GIF89a��������!�, T;

💬 2018-02-12 Herong: Krishna, dates should have nothing to do with UTF-16 LE format. Can you provide some examples?

💬 2018-02-08 Krishna: When I open a UTF-16 LE file notepad and and notepad ++ ,it is showing special characters for the dates. Is it because notepad +...

"instanceof" Operator - Determining Object Type
This section provides a quick description of the 'instanceof' operator. A tutorial example is provided on how to use the 'instanceof' operator to determine what is the type of an object, and its parent types.
2018-08-06, 1663👍, 1💬

💬 2018-08-06 esor: nice

PDF Printing Version: JVM Tutorials
Information on how to obtain the PDF version of this book for printing.
2019-01-28, 1636👍, 11💬

💬 2019-01-28 Luke: Thanks

💬 2016-12-05 Rahul: very good

💬 2016-11-07 bob: thanks.

💬 2016-09-29 Awanputih: Thanks a bunch

💬 2016-06-21 Moxing: thanks

(More comments ...)

XML Files with Linked External XSD Files
This section provides a tutorial example on how to store XSD statements in an external file, which can be then linked to XML files. The external XSD file should also be a well-formed XML document.
2017-03-11, 1620👍, 1💬

💬 2017-03-11 somebody: it was completly helpfull and it was very important

Listing All Tables - getTables()
This section describes how to get a list of all tables in the current database on the SQL Server through the DatabaseMetaData object.
2018-09-01, 1611👍, 2💬

💬 2018-09-01 Herong: Arthur, thanks for your comment.

💬 2018-08-31 Arthur: When executing this with Oracle it will work. Unless you have several schemas on that database. It will then give you all the ta...

Get Free Ether from faucet.metamask.io
This section describes how to get some free Ether form faucet.metamask.io.
2019-04-01, 1593👍, 3💬

💬 2019-03-31 Sweetasdad: Nice One = 1 Eth

💬 2018-09-22 Herong: Jose, you can not withdraw Ether money from the Ropsten Test network. It has no real value.

💬 2018-09-19 Jose guzman: Hey, how can i withdraw that?

SHA1 Mesasge Digest Algorithm
This chapter provides tutorial notes and example codes on the SHA1 message digest algorithm. Topics include SHA1 algorithm overview; using SHA1 in Java, PHP, and Perl.
2016-11-05, 1582👍, 5💬

💬 2015-10-14 Herong: Yojana, information on key generation of Blowfish Algorithm can be found in Key Schedule (Sub-Keys Generation) Algorithm tutoria...

💬 2015-10-13 Yojana Yadav: Plz send me the detail of key generation of Blowfish Algorithm

💬 2013-06-28 Herong: Abbas, You are welcome!

💬 2013-06-26 abbas: thank you for sha-1 and it's so helpful

PDF Printing Version
Information on how to obtain the PDF version of this book for printing.
2017-09-09, 1578👍, 3💬

💬 2015-10-14 srikanth: thanks

What is OFB (Output FeedBack) Operation Mode?
This section describes what is OFB (Output FeedBack) Operation Mode - each plaintext block is XORed with the current output block to be the ciphertext block. The current output block is the encrypted version of the previous output block.
2015-11-13, 1572👍, 2💬

💬 2015-11-13 Ashish: Hello world!

Drawing Graphics - Using paint() on Content Pane
This section provides a tutorial example on how to override the paint() method in the javax.swing.Component class to draw graphics (a rectangle) and use it as the content pane of the frame window.
2015-12-28, 1565👍, 2💬

💬 2015-12-28 Herong: Kenny, I agree with you. We should be able to draw directly on the default content pane. But we need to find a way to override i...

💬 2015-12-27 Kenny: But I see that this replaces the JFrame's default content pane with a new component? :/ I thought I *could* draw directly unto a...

showOptionDialog() - Displaying Option Dialog Boxes
This section provides a tutorial example on how to use the static method, showInputDialog(), to create and display input dialog boxes to take text string input from the user.
2017-09-12, 1546👍, 3💬

💬 2017-02-15 Eric: nice article..I have written about the same.check out http://www.download-all.net/2017/02/ joptionpane-showoptiondialog-code.ht ml

2030-2040 Lunar Calendar
I've created Chinese Lunar calendars for my Chinese partner for ten years but your website calendars end at 2029 (http://www.herongyang.com/202 9/2029_chinese_calendar_v3.pdf )Can you please create more for me? marvin@metrocast.net Sure, just give me a few days. - Herong
2018-06-01, 1542👍, 0💬

Java Thread Deadlock Demo Program
This section provides a tutorial example of simple deadlock demo program, SimpleDeadLock.java, with 2 threads waiting for each other.
2016-02-20, 1526👍, 2💬

💬 2015-11-27 Herong: Rahul, I think your dump file is a correct thread dump. It provides you a list of threads in a text format. You can use any text...

💬 2015-11-26 Rahul: Hi, Thanks for nice article. when we use jstack or kill -QUIT / kill -3 to get thread dump , we always get the dump file which s...

XML Messages over Socket Connections
This section describes the XML message communication model - where client and server send and receive XML messages over socket communication connections.
2017-07-20, 1519👍, 5💬

💬 2017-07-20 WOW: WOW

💬 2015-11-11 Herong: Thai, you are welcome!

💬 2015-11-10 Thai Khang: Thanks

💬 2015-11-10 Khang: thanks

💬 2015-10-06 Thai Khang: Thank you so much

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