When using Regular Expressions you'll often need to work with sets of characters, for example, digits, alphanumeric characters, or any white space characters. To simplify working with this type of data, CFML supports the use of POSIX character classes - special identifiers that match sets of...
CFML supports the use of Regular Expressions in both search and replace operations (using functions like REFind() and REReplace()). When using Regular Expressions remember the following special characters: - specifies a character range, $ matches a new line, ^ excludes characters from being...
User defined functions (UDF's) may be placed in to shared scopes (SERVER, APPLICATION, and SESSION). But use scoped UDF's carefully – as with any shared scope access, calls to these UDF's must be locked using . If you are using scoped UDF's you may want to copy then to the REQUEST scope so as...
User defined functions (UDF's) may be created in different scopes, for example SESSION.Func() and REQUEST.Func() are both valid and allowed. But scopes may not be used when naming a function. To place a function in a scope first define it as you would usually, and then copy it. For example, once...
ColdFusion 5 can be used on Windows 9x boxes (for development only, Windows 9x is not a suitable production platform). However, the graphing engine (which powers the tag) is not supported on Windows 9x, and so that tag will not be usable on boxes running that operating system. (Applies to:...
Using ColdFusion 5's Alarms feature? Make sure to provide an SMTP server (DNS name or IP address) in the Alarms Notification Page. The standard SMTP server (specified in the Mail Settings page) is not used for alarms so as to allow you to use alternate server if needed. (Applies to: ColdFusion 5...
ColdFusion 5 includes Verity's new high-performance K2 full text search engine. The engine comes with a set of utilities that may be used to manage collections, perform search operations, and start or stop the engine. These are all installed under the ColdFusion directory in a subdirectory named...
The tag may be used to create forms containing Java applet form controls (using , , etc.). These controls may all be customized in a variety of ways, including their various colors. When specifying colors using color names you may only use the colors black, red, blue, magenta, cyan, orange,...
While CFML does not provide complete support for manipulating binary data, reading and writing of binary files are indeed supported. The trick is to convert a read binary file to a text representation (using the ToBase64() function) before using it, and then convert it back to binary form (using...
The ColdFusion Administrator contains links to important URL's (documentation, examples, support, and more). You can add on your links to the Administrator by creating a file named extensionscustom.cfm and placing it in the Administrator root (usually /CFIDE/Administrator/ under the Web server...