Creating a CodeIgniter application is easier than you might think. Take a guided tour through your first project: a simple Web page with a contact form.

Get acquainted with Jaxer, the first true Asynchronous JavaScript + XML (Ajax) server. Jaxer makes it possible to execute JavaScript code, Document Object Model (DOM), and HTML on the server side as well as giving you the ability to access server-side functions asynchronously from the client side. This article describes the features of Jaxer and shows the great potential that Jaxer has to offer, even in its infancy.

Web developers are enjoying a renaissance. After spending much of the previous decade toiling on server-centric code, programmers are now putting code front-and-center, turning the Web browser into its own computing platform. Much of the renaissance must be attributed to ingenuity. The newest generation of tools and application frameworks automate and simplify the drudgery of building, deploying, and maintaining a Web site. There are also more tools than ever, and all the most innovative tools are open source. This tutorial provides an expansive survey of the free software available to developers to create and deploy Web applications.

This article demonstrates how to use several Google Code APIs using a baseball hack as an example. We will create a Google Gadget that displays Major League Baseball batting statistics. You will learn about Google Gadgets, the Google Spreadsheet API, and the Google Chart API. After reading this article, you'll have a good idea of the sorts of applications you can build using these APIs, know enough to get started writing your own applications, and know where to get more detailed information.

Everything in Grails, from build scripts to individual artifacts such as domain classes and controllers, throw events at key points during an application's life cycle. In this Mastering Grails installment, you'll learn how to set up listeners to catch these events and react to them with custom behavior.

Bottlenecks with hosts, services, and networks can be costly. To ensure Service Level Agreement (SLA) guarantees, Ajax applications must be monitored remotely over the networks. In this article, learn how to quickly install and start Nagios, an open source host, service, and network monitoring program, and discover how it can help. Learn how to monitor redundancy and failover, and get some Nagios-based products you can use to solve environmental and network problems.

In this article we show you how to enable your ASP.NET applications for federated single sign-on utilizing the Tivoli Federated Identity Manager Business Gateway (FIM-BG) and the plug-in it provides for Microsoft® Internet Information Server Version 6 (IIS). Your existing forms-based authentication mechanism can be expanded to include support for participating in a federated single sign-on using the SAML 1.0, 1.1 or 2.0 protocols. Here, we take a sample ASP.NET application through the process of federated single sign-on enablement using FIM-BG and the plug-in for IIS.

Learn about extending IBM Mashup Center’s InfoSphere MashupHub feed sources in Enterprise Mashups and gain first-hand knowledge of how to do so using code samples.

Web services are a popular way to communicate data over the Internet in XML format; databases have long since been an integral part of any Web application. With Data Studio, developers can integrate the two by defining SQL and SQL/XML queries that you can automatically build and deploy as a Web service. In this tutorial, you'll develop a data-driven Web service using Data Studio and craft an Ajax application for the gaming industry where users can browse games they want to play, search for them by title, and even add, edit, and delete games. The Ajax application running on the client communicates with the gaming Web service in XML format, both of which are served on WebSphere Application Server.

The Dojo toolkit is getting more and more popular in many Web applications. One of its strongest features is its support for different locales. In this article, get a short and simple guide on how to use this important part of Dojo.

Quick, how many Java Web development frameworks, libraries, and toolkits can you name? The are so many out there that it can be overwhelming just trying to figure out what does what and which one can actually help you solve your problems. However, if you are doing Ajax development, there is one library that you absolutely need to know: Direct Web Remoting (DWR). This library leverages the Java language and Java Web technologies to greatly simplify Ajax development. It has set the standard for how to integrate Ajax seamlessly into a Java web application. In fact, DWR joined the Dojo foundation, a broad coalition of popular, open source Ajax technologies. In this article, see just how easy Ajax can be using DWR.

Get the details on how to use the common SQL API (CSA), a set of stored procedures that exist across all IBM data servers. Learn to employ the common SQL API and integrate it in an application. Explore a small J2EE Web application, based on the common SQL API, that compares the subsystem parameters of two IBM DB2 for z/OS subsystems by employing the GET_CONFIG CSA stored procedure.

JavaServer Pages (JSP) and JavaServer Faces (JSF) used to have different variants of the Expression Language (EL). Their unification in JSP 2.1 opened new possibilities, allowing you to use deferred values and deferred method attributes in your custom JSP tags. This article shows how to develop Java Web components based on JSP tag files, which are much simpler and easier to build than the JSF components.

Ajax techniques have changed the face of large, commercial Web applications, but many smaller Web sites don't have the resources to rebuild their entire user interface overnight. New features should justify their costs by solving real-world interface problems and improving user experience. With this series, you've been learning to modernize your UI incrementally using open source, client-side libraries. In this installment, learn to transform a multistep checkout process from a series of sequential forms into a single-screen interface using Ajax techniques. You do so using the principle of progressive enhancement, ensuring that your site remains accessible to all sorts of user-agents.

"State" is a central concern of all sorts of distributed applications, but especially of Web applications, as HTTP and its derivatives are intrinsically stateless. Clear thinking about how data persists across retrievals, sessions, processes, and other boundaries can help you improve your Web applications, both present and future.

In the first part of this series, you saw how to generate JavaScript code for sending Ajax requests and processing Ajax responses. The second part showed how to create HTML forms, using conventions and JSP tag files to minimize setup and configuration. In this third part of the series, you'll learn how to develop client-side validators based on JavaScript as well as server-side validators, which are implemented as JSP tag files backing up their JavaScript counterparts. You'll also learn how to use resource-bundles that are reloaded automatically when changed, without requiring the restart of the application.

Today's Web applications provide many benefits for online storage, access, and collaboration. Although some applications offer encryption of user data, most do not. This article provides tools and code needed to add basic encryption support for user data in one of the most popular online calendar applications. Building on the incredible flexibility of Firefox extensions and the Gnu Privacy Guard, this article shows you how to store only encrypted event descriptions in Google's Calendar application, while displaying a plain text version to anyone with the appropriate decryption keys.

Traditional Ajax development continues to be the leading method for producing rich Internet applications (RIAs). However, the popularity of Adobe Flex cannot be ignored. This article introduces the Adobe Flex Ajax Bridge (FABridge), a code library that enables an easy and consistent method for integrating Ajax and Flex content. By the end of this article, you'll be able to take advantage of the rich features available through Flash assets.

In this Mastering Grails installment, Scott Davis explores the various ways that Grails can use database tables that don't conform to the Grails naming standard. If you have Java classes that already map to your legacy databases, Grails allows you to use them unchanged. You'll see examples that use Hibernate HBM files and Enterprise JavaBeans 3 annotations with legacy Java classes.

The iPhone and iPod touch made Mobile Safari the most popular mobile browser in the United States. Although Mobile Safari is more than adequate at rendering normal Web pages, many Web developers created versions of applications aimed at the iPhone. Here in Part 3 of this "Developing iPhone applications using Ruby on Rails and Eclipse" series, we learn what you should do when the user reaches the end of the list structure and your application actually needs to display some content