Ruby2008-10-03
Getting started with Ruby on rails
There is a one-click Ruby installer. You can find it here: http://www.ruby-lang.org/en/downloads/. After you download it, double-click it in Windows Explorer to run it, and then fo
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Struts2008-09-20
When is the best time to validate input in Struts
This is an excellent question. Let's step back a second and think about a typical mid to large size application. If we start from the back end and work toward the view we have:
Read tutorialStruts2008-09-20
Chaining actions in Struts
Chaining actions can be done by simply using the proper mapping in your forward entries in the struts-config.xml file. Assume you had the following two classes:
Read tutorialStruts2008-09-20
Simple example of using the requiredif Validator rule in Struts
First off, there's an even newer Validator rule called validwhen, which is almost certainly what you want to use, since it is much easier and more powerful. It will be available in
Read tutorialStruts2008-09-20
How to prepopulate a form in Struts
The simplest way to prepopulate a form is to have an Action whose sole purpose is to populate an ActionForm and forward to the servlet or JSP to render that form back to the client
Read tutorialStruts2008-09-20
Using JavaScript to submit a form in Struts
This is just one of many ways to achieve submitting a form and decoding the intended action. Once you get used to the framework you will find other ways that make more sense for yo
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Struts2008-09-20
FAQ: Why are my checkboxes not being set from ON to OFF?
A problem with a checkbox is that the browser will only include it in the request when it is checked. If it is not checked, the HTML specification suggests that it not be sent (i.e
Read tutorialStruts2008-09-20
FAQ: Why was reload removed from Struts (since 1.1)?
The problem with ReloadAction was that Struts was trying to act like a container, but it couldn't do a proper job of it. For example, you can't reload classes that have been modifi
Read tutorialHibernate2008-09-19
Paging Through the Result Set in Hibernate
Many a times you would need to retrieve a large number of records but on the webpage you would show them in multiple pages. For example, in a tracking application, you want to show
Read tutorialEJB2008-09-18
Web services basics
Web services technologies provide a language-neutral, environment-neutral programming model that accelerates application integration inside and outside the enterprise.
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Table __________ is marked as crashed and should be repaired.
Recently a friend of mine called me at 12 midnight. His voice was shaky and had a sense of urgency. "My Site is down. Can you help me with it?". I told him, "Its midnight here, do
Read tutorialStruts2008-09-17
What is a Plug-in and how to use Java plug-ins with Struts?
Any Java class that you want to initialize when Struts application starts up and destroy when the application shuts down is a Java Plug-in. You can create a Java Plug-in by creatin
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