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Interview Questions
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Create Scalable Applications with ColdFusion Components

Ushered in with ColdFusion MX 6, CFCs have enjoyed strong support from the developer community ever since. These days, ColdFusion 8 provides both significant and subtle improvements to the way CFCs work, which include major new features such as close Ajax integration, not to mention greatly enhanced performance.
Being able to develop using CFCs allows us to write highly maintainable and flexible ColdFusion applications and reuse more code. Even better, it also permits us to leverage great capabilities in ColdFusion, both new and existing, such as automatic web service generation and powerful Ajax tags.
This article will cover the following topics:sss

  • what a CFC is
  • why CFCs are useful and worth learning
  • how to write a CFC
  • how and where to start using CFCs in applications
  • an introduction to other great features in ColdFusion that use CFCs
  • tips for developers new to CFCs
Using CASE to Sort Content

I have a simple content management back-end system that all of our clients use for keeping their web sites up to date. I say back end, because we still build very custom front ends for the clients. One of the features it has is in the category settings, the client can choose from a list of ways to sort the content in that category. Each category may have totally different types of content and require different sorting methods. A news category will most likely be sorted by date, newest first; while a category that contains bios for a company will need to be sorted in and arbitrary order of the clients choice.

Using pound signs and quotation marks in CFML

Pound signs (#) and quotation marks (") have special meaning in the ColdFusion Mark Up Language (CFML). Pound signs identify variables and functions in Macromedia ColdFusion expressions. Quotation marks identify data strings and text-based values for variables. This article uses examples for explaining how to use pound signs and quotation marks in CFML.


CF_wwSpeller is a Cold Fusion interface to WinWord spelling engine that allows CF developers to provide server side spell checking within their applications. WinWord application should be installed on server side. Demo application is included. Encrypted demo version has been limited with 3 words per query

Using quotation marks in CFML

In ColdFusion, you can use quotation marks to assign text-based values to variables or to identify string data. ColdFusion interprets the data between the quotation marks as a literal value, and assigns that value to the results. You can use single- or double-quotation marks to flag string data or assign text-based values to variables. For example, to flag string data in a CFML expression, you surround the text with single- or double-quotation marks:

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