http://blog.classsoftware.com/index.cfm Web technologies and applications focusing on ColdFusion, Flex and Flash. http://www.classsoftware.com/images/logosm.gif http://blog.classsoftware.com/index.cfm en-us Wed, 07 Jan 2009 10:05:44+1100 Fri, 02 May 2008 15:10:00+1100 BlogCFC http://blogs.law.harvard.edu/tech/rss justin@classsoftware.com justin@classsoftware.com http://blog.classsoftware.com/index.cfm/2008/5/2/ColdFusion-and-Daylight-Saving ColdFusion has a large number of date functions but not one to see if a past or future date occurs when daylight savings is in effect. However it is possible to find this out using a little Java code. [More] ColdFusion Daylight Savings Time Fri, 02 May 2008 15:10:00+1100 http://blog.classsoftware.com/index.cfm/2008/5/2/ColdFusion-and-Daylight-Saving http://blog.classsoftware.com/index.cfm/2008/2/6/Web-Designer-Required-in-SydneyAustralia A project I'm involved with has need for a web designer. [More] Jobs Wed, 06 Feb 2008 19:17:00+1100 http://blog.classsoftware.com/index.cfm/2008/2/6/Web-Designer-Required-in-SydneyAustralia http://blog.classsoftware.com/index.cfm/2008/1/30/Experienced-FlexColdFusion-developer-available My current projects are coming to a close and I'm available from the last week of February onwards for 4 days a week. Anyone out there that could use my skills? I have 10+ years CF experience, 5+ years Flash experience and 2+ years of Flex experie... Jobs Flex ColdFusion Wed, 30 Jan 2008 13:17:00+1100 http://blog.classsoftware.com/index.cfm/2008/1/30/Experienced-FlexColdFusion-developer-available http://blog.classsoftware.com/index.cfm/2007/6/27/Flex-Better-Sliders I find that the default sliders have a few minor usability issues a) the thumb is too small and b) the hit area of the the thumb is too small. Perhaps I just need new glasses or a bigger screen? You could skin a slider and change the thumb graphic... [More] Flex Slider Wed, 27 Jun 2007 00:51:00+1100 http://blog.classsoftware.com/index.cfm/2007/6/27/Flex-Better-Sliders http://blog.classsoftware.com/index.cfm/2007/6/18/Flex-Type-Ahead-List-Boxes When a user types a character the default behaviour of a list box is to jump to the first item that starts with that character. This is fine for small lists but for a long list of items it's not very useful. A better solution would be if the list box... [More] ArrayCollection Flex List Mon, 18 Jun 2007 18:59:00+1100 http://blog.classsoftware.com/index.cfm/2007/6/18/Flex-Type-Ahead-List-Boxes http://blog.classsoftware.com/index.cfm/2007/6/17/Flex-Datagrid-Visibility-Bug Run into a nasty little bug with Flex datagrids the other, under some situations Datagrid columns with their visibility set to false will be displayed! Here's a workaround. [More] Bug Flex DataGrids Sun, 17 Jun 2007 17:40:00+1100 http://blog.classsoftware.com/index.cfm/2007/6/17/Flex-Datagrid-Visibility-Bug http://blog.classsoftware.com/index.cfm/2007/6/14/Flex-Filtering-Long-Lists If you have a list box with a large number of items in it it can be hard for someone to find the item in the list that they need. One way around this is you add a filter on the list box. Here's how it's done. [More] ArrayCollection Flex List Thu, 14 Jun 2007 21:40:00+1100 http://blog.classsoftware.com/index.cfm/2007/6/14/Flex-Filtering-Long-Lists http://blog.classsoftware.com/index.cfm/2007/6/11/Flex-Datagrid-Edit-Cell-on-Row-Click With flex datagrids you sometimes find you have a datagrid with multiple columns but only one or two columns are editable. Which column are editable are not immediately apparent to a user, they have to click on cells to find out what's editable or... [More] Flex DataGrids Mon, 11 Jun 2007 18:05:00+1100 http://blog.classsoftware.com/index.cfm/2007/6/11/Flex-Datagrid-Edit-Cell-on-Row-Click http://blog.classsoftware.com/index.cfm/2007/6/11/Flex-Datagrid-Editing-Cells Flex datagrids provide an easy way to edit data. However one minor issue is that by default editable cells have no visual indication that they are actually editable. You can add a graphical or textual indication that is a cell is editable with an ... [More] Flex DataGrids Mon, 11 Jun 2007 17:40:00+1100 http://blog.classsoftware.com/index.cfm/2007/6/11/Flex-Datagrid-Editing-Cells http://blog.classsoftware.com/index.cfm/2007/6/1/ColdFusion-Struct-References You need to be careful with references to objects or structs. I was looking at some old code the other day and I noticed I hadn't var'ed some local variables - very naughty of me. So I fixed the code but it no longer worked. [More] ColdFusion references Error Fri, 01 Jun 2007 22:00:00+1100 http://blog.classsoftware.com/index.cfm/2007/6/1/ColdFusion-Struct-References http://blog.classsoftware.com/index.cfm/2007/6/1/Flex-Numeric-Stepper-with-Currency Flex's numeric stepper controls work well but will only work with numeric data so can't be used for editing currency. There's a few ways around the issues but none of the solutions are perfect. [More] NumericStepper Flex Fri, 01 Jun 2007 21:30:00+1100 http://blog.classsoftware.com/index.cfm/2007/6/1/Flex-Numeric-Stepper-with-Currency http://blog.classsoftware.com/index.cfm/2007/5/24/Flex-Webservices-XML-and-Array-Conversion I'm currently working on a project involving simple webservices, the webservices return plain XML rather than using SOAP. Personally I prefer SOAP as you get a well defined interface but on this project it was felt that plain XML was less verbose, mo... [More] XML DataBinding Flex ArrayCollection Thu, 24 May 2007 17:44:00+1100 http://blog.classsoftware.com/index.cfm/2007/5/24/Flex-Webservices-XML-and-Array-Conversion http://blog.classsoftware.com/index.cfm/2007/5/13/ColdFusion-Securing-Databases-part-2 In ColdFusion Securing Databases (part 1) we looked at restricting what sql statements can be run with a datasource and partitioning applications to use multiple datasources and multiple users to improve security. In this article we'll look at setti... [More] ColdFusion SQL Injection Database Security Sun, 13 May 2007 06:42:00+1100 http://blog.classsoftware.com/index.cfm/2007/5/13/ColdFusion-Securing-Databases-part-2 http://blog.classsoftware.com/index.cfm/2007/5/12/ColdFusion-Database-Indexes The most common problem I've run into with applications slow performance is the lack of indexes on the databases. Sometimes this is just because the application ran fine with a small amount of data but now is working off a larger amount, or the appli... [More] ColdFusion Database Performance Sat, 12 May 2007 09:00:00+1100 http://blog.classsoftware.com/index.cfm/2007/5/12/ColdFusion-Database-Indexes http://blog.classsoftware.com/index.cfm/2007/5/7/ColdFusion-Securing-Databases Most ColdFusion applications I'm come across tend to use a single datasource or if they use more than one the same user credentials are used. As well as causing possible performance and scalability issues this can be a security risk. It's quite ea... [More] ColdFusion SQL Injection Database Security Mon, 07 May 2007 16:25:00+1100 http://blog.classsoftware.com/index.cfm/2007/5/7/ColdFusion-Securing-Databases