CAT | Programming
30
Trust Your API (Railo Caching Silliness)
3 Comments · Posted by Elliott in ColdFusion, Programming, Railo
One of the biggest problems rampant amongst developers is ignoring the standard library and writing your own solution to the same problem because we think it’s faster/smarter/better. I know I’m certainly guilty of this thinking too. Unfortunately this is pretty much always a mistake. I recently stressed this issue quite a lot in my Designing […]
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24
Using Prototypal Inheritance in ColdFusion
2 Comments · Posted by Elliott in Adobe, ColdFusion, Programming
Ben Nadel was recently looking at Prototypal Inheritance in ColdFusion, which is incidentally one of the topics I talk about in my I bet you didn’t know you could do that with ColdFusion presentation, which I gave at BFusion 2008 and will be doing an updated version of at CFUnited 2010. </shameless-plug> The code samples […]
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19
ColdFusion Mappings and Relative Paths
No comments · Posted by Elliott in Adobe, ColdFusion, Programming
Recently one of our applications started failing inconsistently with strange errors about certain files not existing. We’d see error emails about things like the /myapplication/views/pages/survey.cfm not existing which didn’t make any sense since /myapplication is a mapping created inside the Application.cfc <cfset this.mappings[“/myapplication”] = expandPath(“../”)> See the bug there? ExpandPath() is relative to the requested […]
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16
ColdFusion arguments.callee
12 Comments · Posted by Elliott in Adobe, ColdFusion, Programming
Last night Ben Nadel sent me an email asking if there was any way to get the currently executing function so you could get the metadata from it. <cffunction name=”test” myAttribute=”1″> <— How can we get the myAttribute value? —> </cffunction> The first obvious attempt at this is to use getMetaData(test).myAttribute, and that works fine […]
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14
cfimage and ImageScaleToFit on Large Images Pegs CPU
6 Comments · Posted by Elliott in Adobe, ColdFusion, Programming
I was working on the new profile picture feature of the registration and CFUnited 2009 website when I ran into an issue where a user uploaded a 2112 x 2816 (2MB) photo. This seemed to cause file locking issues in cfimage which I was told were addressed by CF 8.0.1 Cumulative Hot Fix 1. I […]
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1
ColdFusion 8 Exception Handling Breaks HTTP Requests
No comments · Posted by Elliott in Adobe, ColdFusion, Programming
Just found this bug today…. So CF8 outputs the cfcatch.message into the Reason-Phrase portion of the HTTP Response, however it does not strip new lines (LF or CR). A web server, however, should never send new lines in the Reason-Phrase [1], and should probably be truncating that error message at a certain length. [1] RFC2616, […]
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17
Getting the Expected Results for GetCurrentTemplatePath() in a Custom Tag.
9 Comments · Posted by Elliott in Adobe, ColdFusion, Java, Programming
While working on the template system used for the conference websites I ran across a problem where I needed the path to the template that called a custom tag. The first thing I tried was getCurrentTemplatePath() thinking that it might return that since the documentation makes no mention of custom tags. Instead, however, the function […]
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While doing some casual web surfing I came across a rather interesting blog entry about Ruby’s types and looping. I started typing a reply, and then I realized it was really long, so I’m putting it here: One reason I think methods like this are great is that Ruby is intended to be read! Which […]
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