Note: This article originally appeared on tedparton.com on 03/10/2013 Recently I needed to return a JSON representation of a ColdFusion structure, but I needed one of the Key’s to be all lower case. I knew that CF natively uppercase’s Key names, but figured there had to be a way to…
CF Quick Tip: Checking available free space with Java io.File
Note: This article originally appeared on tedparton.com on 02/26/2013 Earlier today I noticed on Ray Camden’s site a blog post about determining the amount of free space on a drive from ColdFusion. It looks like in CF10, a new function, getFreeSpace(‘path’) was added that will return the amount of free…
CF Quick Tip: Display a CFINPUT Element from a CFC
Let’s say you want to write a helper function in a ColdFusion Component (CFC) library, that will draw a HTML FORM field for you and you need to do so using a CFINPUT tag. The ColdFusion compiler will complain if the CFINPUT tag is not inside a CFFORM tag inside…
CF Quick Tip: Removing Non-Numeric Characters from a String
Suppose for a moment that you have a variable that you want to ensure it only contains numeric data. For instance a telephone, PIN, or credit card number. ColdFusion makes this extremely simple to using a regular expression with the reReplace and reReplaceNoCase functions, as I will demonstrate below. For…