Download e-book for iPad: Adobe ColdFusion Anthology: The Best of The Fusion Authority by Michael Dinowitz, Judith Dinowitz

By Michael Dinowitz, Judith Dinowitz

ISBN-10: 1430272155

ISBN-13: 9781430272151

Adobe ColdFusion continues to be one among modern major net prone instruments and frameworks, and stands to turn into much more vital as a potential fundamental software for cloud improvement to boot. As very important as ColdFusion is and maintains to develop into, we concept it'd be a good suggestion to faucet the top authority on ColdFusion, the Fusion Authority. We requested this neighborhood to collect crucial matters of their developer and person reviews into one unmarried quantity - an anthology of the most up-tp-date technical articles released within the Fusion Authority Quarterly replace.

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The first validation makes use of the optional required attribute, which can take a Boolean value. When this attribute is set to true, the cfargument tag will throw an error if no parameter is assigned to it. The value or size of the data contained within the passed parameter does not matter as long as it exists. Having a default attribute set in the tag will prevent the required check from ever failing, thus defeating its purpose. Each of the following examples is designed to cause an error because a required value was not set.

In the past, I’ve used it to enable a printable version of a site. I did this by building my page templates to use HTML comment markers. I then used the onRequest method to check for a URL variable. If it existed, I simply used regular expressions to remove the header and footer, which was easy with the markers I had in the layout. Listing 1-16 is a simple example of this use. Listing 1-16. thePage#"> The code in Listing 1-16 simply notices a URL variable. When the variable exists, I used a regular expression to remove everything before and after a set of HTML comments.

Nextdate() uses the request prefix. Placing the UDF Definition A cffunction tag can be placed anywhere in the same template as its function call. It does not matter if the tag is placed before or after the call. On the other hand, if a cffunction is being included in some way, it must always be included before the function call. cfm file will be available to any function call in that template or in any template associated with it, such as the template being processed. This is the simplest type of include.

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Adobe ColdFusion Anthology: The Best of The Fusion Authority by Michael Dinowitz, Judith Dinowitz

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