Struts2023-05-04
DispatchAction in Struts
DispatchAction is another useful built-in Struts Action. However you cannot use it as is. You will have to extend it to provide your own implementation. An example will make things
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macos2023-05-03
Different Versions of Mac OS X
With the exception of Mac OS X Server 1.0 and the original public beta, Mac OS X versions are named after big cats. Prior to its release, version 10.0 was code named "Cheetah" inte
Read tutorialAsp.net2023-05-03
Downloading and Installing the AWS SDK for .NET
By default, the AWS SDK for .NET is installed in the Program Files directory, which requires administrator privileges. You can install the AWS SDK for .NET as a non-administrator i
Read tutorialAsp.net2023-05-03
Introduction to the AWS SDK for .NET
The AWS .NET SDK is a single, downloadable package that includes Visual Studio project templates, the AWS .NET library, C# code samples, and documentation. The AWS .NET SDK makes i
Read tutorialJava2023-05-03
Using the AWS SDK for Java in Eclipse
If you use the AWS Toolkit for Eclipse, you can also start a new project in Eclipse based on the AWS SDK for Java or add the SDK to an existing Java project.
Read tutorialJava2023-05-03
Using the AWS SDK for Java
Download the AWS SDK for Java from the SDK web page at http://aws.amazon.com/sdkforjava. After downloading the SDK, extract the contents into a folder.
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MySQL2023-05-02
sql if null then 0
In SQL, you can use the IS NULL condition to check if a value is NULL. To return 0 when the value is NULL, you can use the COALESCE function or the IFNULL function, depending on th
Read tutorialJ2ME2023-05-02
Is J2ME dead?
J2ME (Java 2 Micro Edition) is a platform that allows developers to build mobile and embedded applications that can run on resource-constrained devices. Although its popularity has
Read tutorialStruts2023-05-01
Guidelines for Struts Application Development
Struts application development in enterprise applications requires discipline. We are not referring to any particular methodology; just some guidelines for Struts based application
Read tutorialJava2023-05-01
DateFormat sample program in Java
DateFormat is an abstract class that provides the ability to format and parse dates and times. The getDateInstance() method returns an instance of DateFormat that can format date i
Read tutorialJava2023-05-01
concurrent.Flow instead of Observable class in Java
To observe an observable object, you must implement the Observer interface. This interface defines only the one method shown here:
Read tutorialJavascript2023-04-26
mixin in JavaScript
In JavaScript, a mixin is a way to add or "mix in" functionality to an object without inheriting from it. It's a way to combine objects to create a new object that has the properti
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