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Using Perl LWP Package for Debugging
This section provides a tutorial example on how to use the Perl LWP package to debug JSP applications. The LWP package allows to dump HTTP request and response. It also allows you to control how to manage page redirect.
2016-01-09, 362👍, 1💬

💬 2016-01-09 Ilya Evseev: Thank you for useful article!

"gYear", "gMonth" and "gDay" Datatypes
This section describes the built-in primitive datatype, 'gYear', 'gMonth' and 'gDay', that represents years, months and days in Gregorian calendar. Leading and trailing whitespaces are allowed and trimmed. Timezone offset is optional.
2016-01-08, 1702👍, 2💬

💬 2016-01-08 Herong: Ashok, you are welcome!

💬 2016-01-07 Ashok: Thanks for this descriptive tutorial on Gregorian calendar. I was looking for gDay and could know more about it here.

MenuItemActionListenerTest.java - Menu Item Action Listener Test
This section provides a tutorial example on how to use java.awt.event.ActionListener, button action listener interface, to catch events fired by JMenuItem objects.
2016-01-07, 142👍, 1💬

JDBC-ODBC - Creating New Tables in MS Access Database
This section describes how to create a new table in a MS Access database through the JDBC-ODBC driver.
2016-01-07, 873👍, 2💬

💬 2016-01-07 Herong: Bertus, what type query do you want to update?

💬 2016-01-06 bertus: How to update a query???

Chinese Characters in HTML Documents - UTF-8 Encoding
This section provides a tutorial example on how enter and use Chinese 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.
2016-01-06, 233👍, 1💬

💬 2016-01-06 thomas: help needed.

Outdated: Downloading and Installing Android SDK R17
This section provides a tutorial example on how to download and install Android SDK (Software Development Kit) Revision 17 on Windows systems.
2016-01-05, 106👍, 1💬

javax.swing.JFileChooser - File Chooser Dialog Box
This section provides a tutorial example on how to use the javax.swing.JFileChooser class to create a file chooser dialog box for the Open command and the Save command.
2016-01-03, 1587👍, 8💬

💬 2016-01-03 Travis: Hello thanks, Yea I fixed the problem with the forgotten import I should have known better just having a problem with the filein...

💬 2015-12-31 Herong: Travis, May be you forget to import the IO package. The "underline in red" means class definition is missing. Try to add the fol...

💬 2015-12-31 Travis: Missing import.java.io was the problem thanks everyone

💬 2015-12-30 Travis: Value is just a string , String rootDir; still have been playing around with it and can't seem to get it going , very odd:(

💬 2015-12-30 Ken: @Travis, what is the value of "rootDir"? Looks like you are trying to get an inputstream on a directory, not a file.

(More comments ...)

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.
2016-01-02, 607👍, 1💬

💬 2016-01-02 sivaprakash: nice

XSD_ANYXML Encoding - Building SOAP Body Element
This section provides a tutorial example to show different behaviors of SoapClient on XML document based Web services.
2015-12-30, 1640👍, 1💬

💬 2015-12-30 Mohammad Khan: Thanks, I was struggling to get the syntax right in the xlm request. these examples, particularly the 3rd one helped me better u...

"Repeatable Read" Isolation Level
This section provides a tutorial example on the 'Repeatable Read' isolation level, where reads are guarantied to be repeatable.
2015-12-28, 289👍, 4💬

💬 2015-12-28 Herong: SqLoveNian, thanks for the additional information. I guess the "phantom read" is just concept defined in the SQL 92 specificatio...

💬 2015-12-24 SqLoveNian: Actually I gave a bad answer. MySql and same goes of course for MariaDB, do not enable generating a phantom read, by running two...

💬 2015-12-23 Herong: SqLoveNian, I will test it with your suggestion. Thanks.

💬 2015-12-21 SqLoveNian: You would get a phantom read if the second query would be SELECT * FROM User

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, 745👍, 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...

Testing OpenSSL with file_get_contents()
This section provides a tutorial example on how to test the PHP OpenSSL module with the file_get_contents() function to run a GET request on an HTTPS server.
2015-12-26, 102👍, 1💬

Create Tables with CLOB Columns
This section describes how to create tables with BLOB (LONGBLOB) columns in Oracle server.
2015-12-24, 116👍, 1💬

ConversionRate - Get Currency Exchange Rate
This chapter provides a quick introduction of the free Web service, ConversionRate. Topics include usage description of ConversionRate; request message sample; response message sample.
2015-12-23, 337👍, 1💬

💬 2015-12-23 Jonny: Thanks

XSD Validation and Error List
This section provides a tutorial example on how to perform XSD validation and view error list using XML Tools Plugin in Notepad++.
2015-12-23, 2521👍, 4💬

💬 2015-12-23 Herong: Mat2001uk, That is better than the version I was testing. Thanks for sharing this information with us.

💬 2015-12-22 Mat2001uk: In v6.8.6 I see only one error:"XML Parsing error at line 16: StartTag: invalid element name" ...just FYI.

💬 2015-09-26 Herong: Allen, there seems to be no settings in "XML Tools" to print line numbers with validation errors.

💬 2015-09-25 Allen: In the previous example, there are 5 errors, however, there is not indication of which lines contains those errors. This makes i...

ConversionRate - Usage Description
This section describes the free Web service ConversionRate provided by WebserviceX.NET. ConversionRate allows you to obtain the current exchange rate between two given currencies.
2015-12-23, 303👍, 2💬

💬 2015-12-23 Herong: Marie, I don't know what happened to the webservicex.net server. Hope they will fix the issue soon.

💬 2015-12-22 Marie: Hi, I have been using http://www.webservicex.net/CurrencyC onvertor.asmx?WSDLfor a long time to convert currencies on my web sit...

Crypt::CBC Encryption with Salted Keys
A tutorial Perl example is provided to show how to use Crypt::CBC to perform encryption with a passphrase and a salt, which will be used to derive the secret key and the IV.
2015-12-20, 152👍, 1💬

💬 2015-12-20 Ed: Great tutorial. It helped me solving my problem. Many thanks!

Downloading and Installing Visual C# 2010 Express
This section provides a tutorial example on how to download and install Microsoft Visual C# 2010 Express edition on Windows systems.
2015-12-19, 1757👍, 2💬

💬 2015-12-19 frodotran: thanks you very much

💬 2015-10-06 m: nice program

Integrating PHP with Apache Web Server
This chapter provides tutorial notes on installing Apache Web server on Windows systems. Topics include downloading and installing Apache 2.2.4 binary distribution; configuring Apache to run PHP as CGI scripts; testing PHP scripts on Apache server.
2015-12-17, 318👍, 2💬

💬 2015-12-17 xen hue: tutorial is very useful

💬 2015-12-17 john doe: this tutorial is very useful.

Android Debug Bridge (adb) Tool
This section describes 'adb push' and 'adb pull' commands, which allows you to copy files to and from the remote Android emulator or device.
2015-12-17, 8235👍, 2💬

💬 2015-12-17 Herong: RevHectorForbes, yes the "adb push" should go first, followed by push-from location and push-to location. I think my examples ar...

💬 2015-12-16 RevHectorForbes: Hey man, this is some way cool technical s**t, but another site (http://www.androidauthority.com/and roid-customization-transfer-...

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. It can be used as a tutorial guide for beginners. Topics include Java, Database, JDBC, Driver, ODBC, Connection, DataSource, SQL, ResultSet, Metadata, Derby, MySQL, ...
2015-12-15, 3388👍, 9💬

💬 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.

💬 2010-11-28 Raimo H?linen: Hi, Your Tutorial books for Java JDBC is good for beginners. I'm using it and these examples for my classroom, when we start lea...

(More comments ...)

LookAndFeel and UIManager
This chapter provides tutorial notes and example codes on UI look and feel. Topics include introduction of javax.swing.LookAndFeel and javax.swing.UIManager classes; example programs on how to manage UI look and feel.
2015-12-12, 638👍, 1💬

💬 2015-12-12 Adil: Good work

Android File Systems
This chapter provides tutorial notes on Android file systems. Topics include introduction of Android 5.1.1 emulator file systems.
2015-12-12, 462👍, 1💬

💬 2015-12-12 Bob: Thanks very much for your work!

SOAP Encoding
This chapter provides notes on SOAP Encoding rules and examples.
2015-12-09, 545👍, 1💬

💬 2015-12-09 mephtu: Thank you. Very helpful.

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