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Opening UTF-16 Text Files
This section provides a tutorial example on how to open a UTF-16 (Little-Endian with BOM) text file with Excel correctly by selecting the 'Windows (ANSI)' encoding option on the Text Import Wizard dialog box.
2016-01-19, 127👍, 2💬

What Is SHA1 Message Digest Algorithm?
This section describes what is SHA1 (Secure Hash Algorithm 1) - a message digest algorithm which takes as input a message of arbitrary length and produces as output a 160-bit 'fingerprint'.
2016-01-18, 3511👍, 4💬

💬 2016-01-16 raza: i am raza see you latter

💬 2015-10-10 Herong: Ash, the next tutorial may help you understand better: SHA1 Message Digest Algorithm Overview

💬 2015-10-09 Ash: Please can u explain clearly..I dint understood

💬 2015-09-30 Hassan: hassan.ali.shaheen@gmail.com

GetCitiesByCountry - Usage Description
This section describes the free Web service GetCitiesByCountry provided by WebserviceX.NET. GetCitiesByCountry allows you to retrieve all cities for any given country or territory.
2016-01-16, 1030👍, 2💬

💬 2016-01-16 Egypt: Thanks

💬 2015-11-10 Juan: United States

Android Tablet - LG-V905R
This section provides a tutorial example on how to connect an Android tablet to a Windows computer using Bluetooth radio. Once connected, you can transfer files between the tablet and computer.
2016-01-16, 773👍, 2💬

💬 2016-01-16 Herong: Trudy, I am planning to upgrade my Windows 8 to 10. Once upgraded, I will test the Bluetooth connection again and let you know t...

💬 2016-01-14 Trudy Dishmon: That would be great if it worked. My new 2 in 1 windows 10 is asking for a code number that my Android 10.1 has never needed a c...

Content-Disposition: - Sending Files for Downloading
This section provides a tutorial example on how to insert the 'Content-Disposition:' header line in a HTTP response to tell the browser to prompt the user the download and save the response entity body as a file.
2016-01-16, 542👍, 2💬

💬 2016-01-16 Herong: James, that's an interesting question. I will try to search for an answer.

💬 2016-01-14 James: Hello, I generate PDF files on the fly. I have the option to use Content-Disposition: attachment; in the http header in order to...

Example Java Class Converted from a JSP Page
This section provides a tutorial example Java class converted by Tomcat 7 from the JSP page, Hello_Scripting.jsp. Scripting elements included in the JSP page are converted correctly.
2016-01-14, 1504👍, 1💬

💬 2016-01-14 abc: hello

SOAP PHP Implementations
This chapter provides notes and tutorials on SOAP PHP implementations: PEAR SOAP, NuSOAP, and PHP Group SOAP.
2016-01-13, 806👍, 1💬

💬 2016-01-13 Jhon: very good tutorials

binmode() - Opening Files for Binary Input
This section describes steps on how to open file for binary input using open(), binmode() and read() functions.
2016-01-13, 681👍, 1💬

💬 2016-01-13 Bin: The quick brown fox jumps over the lazy dog

'com.sun.management.jmxremote.port' - JMX Agent for Remote Connection
This section provides a tutorial example on how to turn on the out-of-the-box JMX agent on Sun JVM for monitoring tool 'jconsole' to connect from remote machines.
2016-01-13, 2060👍, 1💬

💬 2016-01-13 vetri: Good

Java Tools Tutorials - Herong's Tutorial Notes
This free book is an excellent tutorial book for beginners. It is a collection of notes and sample codes written by the author while he was learning Java tools himself. Topics include java, javac, jar, jdb, jar, javap, keytool, jconsole, jps, jstatd, jstat, jinfo, jmap, jhat, jstack.
2016-01-12, 3810👍, 1💬


Creating Procedures with Multiple Queries
This section describes how to create a procedure with multiple queries.
2016-01-12, 1888👍, 1💬

💬 2016-01-12 svr: Really a great article

What is ECB (Electronic CodeBook) Operation Mode?
This section describes what is ECB (Electronic CodeBook) Operation Mode - each plaintext block is encrypted independently without any input from other blocks.
2016-01-10, 1823👍, 2💬

💬 2016-01-10 Todd: Thanks!

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, 392👍, 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, 1950👍, 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, 1027👍, 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, 248👍, 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, 1745👍, 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, 771👍, 1💬

💬 2016-01-02 sivaprakash: nice

"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, 313👍, 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, 865👍, 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💬

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