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JDBC (Java Database Connectivity) Introduction
This chapter provides a quick introduction about JDBC (Java Database Connectivity). Topics include overview of JDBC; versions of JDBC; JDBC driver types; database connection with DriverManager and DataSource; JDBC driver class and connection URL for DriverManager.
2016-08-31, 114👍, 1💬

Global and Local Variables - Scope Rules
This section provides a quick description of global variables and local variables. Basic rules about variable scopes are provided.
2016-08-30, 382👍, 2💬

💬 2016-08-30 Herong: Jammy, There is a typo in the consequence. It should read as "Rule #4 helps us to avoid the bad impact of rule #3, if you declar...

💬 2016-08-29 jammy: third consequence is not clear to me.

Introduction of SQL
This chapter provides notes and tutorial examples on SQL. Topics include introduction of SQL (Structured Query Language); history and revision of SQL; terminologies related to SQL and database.
2016-08-28, 247👍, 1💬

💬 2016-08-28 Jack: I want to learn mysql .

PDF Printing Version - Computer History Notes
Information on how to obtain the PDF version of this book for printing.
2016-08-27, 1162👍, 2💬

💬 2016-08-27 sp: Thank you.

💬 2015-12-13 Samiul: Thank you.

2007 - 投名状 - The Warlords
投名状 (The Warlords), 2007, directed by 陈可辛 (Peter Chan), casted by 李连杰, 刘德华, 金城武, 徐静蕾.
2016-08-12, 357👍, 3💬

💬 2016-08-12 kf: nice

💬 2016-08-12 kf: lovely

Bin2Hex.pl - Converting Binary Data to Hex Numbers
This section provides a tutorial example on how to convert binary data file to hex numbers - Bin2Hex.pl.
2016-08-08, 3653👍, 1💬

💬 2016-08-08 HEX: 831BE6B18E7006372069545885A80F786C33 D064904732D39EFBE0EC7019B5D4

Statement Syntax and Statement Types
This chapter provides tutorial examples and notes about statements in VBScript. Topics include what is a statement, how to write a statement, commonly used statement types and examples.
2016-08-05, 105👍, 1💬

Blowfish Cipher Algorithm
This section describes the Blowfish cipher algorithm - A 16-round Feistel cipher with block size of 64 bits developed by Bruce Schneier in 1993.
2016-08-03, 789👍, 2💬

💬 2016-08-03 azi: fantastic

java.time.Instant - Get(INSTANT_SECONDS) Error
This section provides a tutorial example showing an unexpected error, Invalid value for InstantSeconds, when trying to call the get(ChronoField.INSTANT_SECOND S)method.
2016-08-03, 819👍, 2💬

💬 2016-08-03 Herong: G, Thanks for pointing out the root cause of the issue. I will correct it in the next update.

💬 2016-08-02 G: the valid values range is outside of int, use getLong() instead of get(),

Flickr Image Source URLs for Different Sizes
This section provides a tutorial example on constructing image source URLs for a Flickr photo with different sizes: Small square, Thumbnail size, Medium size, Large size, etc.
2016-08-02, 591👍, 2💬

💬 2016-08-02 Herong: Anon, Thanks for the comment. I will add _h in the next update.

💬 2016-07-31 Anon: Thanks for the list. It's worth trying other suffix letters, e.g. _h for 2048px. These can be bigger than the "original" without...

Using "adb logcat" Command for Debugging
This section describes how to use the 'adb logcat -v' command option to control the format of log entries. 'adb logcat -v long' dumps all data elements of each log entry.
2016-08-02, 4737👍, 2💬

💬 2016-08-02 Herong: jayakrishna, I don't think Android is recording log entries in microsecond accuracy.

💬 2016-07-22 jayakrishna: here logcat is having milli sec accuracy, is it possible to get in micro seconds?

javax.swing.event.MenuListener - Menu Listener Interface
This section provides a tutorial example on how to use javax.swing.event.MenuListener ,menu listener interface, to catch events fired by JMenu objects.
2016-08-02, 2839👍, 3💬

💬 2016-08-02 Herong: Tony, I believe that * is a wildcard, meaning all classes in the javax.swing package.

💬 2016-07-20 tony narloch: Hi, I am curious as to what the * denotes. Is that a wildcard, or meant to any/all things associated with javax.swing?

"DROP TABLE" Statements
This section describes how to drop a table in the current database.
2016-07-27, 960👍, 2💬

💬 2016-07-27 XYZ1: HGTYGHTY

💬 2016-07-27 XYZ: HI HELLO

MySQL - JBDC CallableStatement
This chapter provides tutorial notes on JDBC CallableStatement objects for stored procedures. Topics include CallableStatement overview; creating stored procedures with parameters and multiple result sets; using place holders in CallableStatement objects; register output parameters; retrieving multi...
2016-07-21, 123👍, 1💬

PDF Printing Version - JSP Tutorials
Information on how to obtain the PDF version of this book for printing.
2016-07-21, 112👍, 1💬

ITERATE and LEAVE - Statements to Break Loops
This section describes ITERATE and LEAVE Statements used in stored procedures to break execution loops.
2016-07-20, 144👍, 1💬

"CREATE PROCEDURE" - Creating a Simple Procedure
This section describes how to create a simple procedure that runs a simple query.
2016-07-20, 146👍, 1💬

showInternal*Dialog() - Displaying Internal Dialog Boxes
This section provides a tutorial example on how to use the static methods, showInternal*Dialog(), to create and display internal dialog boxes inside an parent container.
2016-07-19, 3621👍, 3💬

💬 2015-08-26 Herong: Airam, which part is not working? :-)

💬 2015-08-25 airam: this doesn't work dude

UAAE0: Meetei Mayek Extensions
This section provides a quick summary of the Unicode code point block: 'Meetei Mayek Extensions', which contains 32 code points to represent additional Meetei Mayek alphabets used in the Meitei language.
2016-07-19, 375👍, 2💬

💬 2016-07-19 Herong: Hi Karen, Meeteri Mayak is a set of Unicode code points, not a font. But we do need a font that supports Meeteri Mayak code poin...

💬 2016-07-15 Karen: Is the Meeteri Mayak script a UTF8 font? If so, where can I download it? Thank you.

Downloading and Installing Tomcat 7
This section provides a tutorial example on how to download and install Apache Tomcat 7 on a Windows 7 local system. Tomcat 7 requires JDK 1.6.0.
2016-07-16, 13213👍, 5💬

💬 2016-07-16 pradeep: thanks

💬 2016-04-27 Herong: Priyanka, can you post your servletrequest source code here? I will look at it.

💬 2016-04-25 priyanka: i had already done simple servlet program to Tomcat 7.0 and also got output.but when i am doing servletrequest interface(taking ...

💬 2016-02-23 siva: i need this

💬 2015-08-19 dell: ok

deleteRow() - Deleting Rows through ResultSet Objects
This section describes how to delete rows from target tables through ResultSet objects.
2016-07-13, 9194👍, 2💬

💬 2016-07-13 rahul krishna: good work

JSP Custom Tags
This chapter provides tutorial notes and example codes on JSP custom tags. Topics include what is custom tag; steps of creating and using custom tags; first custom tag, hy:hello.
2016-07-12, 277👍, 1💬

💬 2016-07-12 ㅗㅗㅗ: 뭐여 이게

PDF Printing Version
Information on how to obtain the PDF version of this book for printing.
2016-07-09, 962👍, 3💬

💬 2016-07-09 vetal: good

💬 2015-12-01 Michael Collins: Thanks

Chinese Web Pages with GB18030 Encoding
This section describes how to create a Chinese HTML document in GB18030 encoding and publish it on the Apache server.
2016-07-08, 2681👍, 5💬

💬 2015-11-24 Herong: Jee, there is no way to configure Chrome to ignore the encoding error and continue. But you can tell browser to use a different ...

💬 2015-11-24 Jee: I'm simply using Chrome... Is there a way to say to the XML "Just ignore caracters that you would consider as weird and display ...

💬 2015-11-22 Herong: Jee, the issue is probably not in your data. What is the program you use to display the XML data?

💬 2015-11-22 Jee: Hello, I have a database in GB18030. I am trying to display datas through XML, and for some kind of datas, the display in a brow...

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