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Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com (10 unread)

March 10, 2010
8:49
Using Base64 Canvas Data In jQuery To Create ColdFusion Images
» ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com

Last week, I explored the HTML Canvas element for the first time. In that exploration, I created a "finger painting" demo for the iPhone that would post drawing commands to the server where the image would be re-created as a PNG in ColdFusion. That was a nice approach because it gave me some flexibility in how the ColdFusion image was created (using anti-aliasing and a t ... Read More »
March 09, 2010
8:31
Translating Global jQuery Event Coordinates To A Local Context
» ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com

When you use jQuery to capture mouse events (mousedown, mouseup, click, etc.), the jQuery Event object contains the X and Y coordinates of the mouse position at the time the event was triggered. These coordinates, while somewhat different in each browser, have been standardized by jQuery to be available in the pageX and pageY properties . No matter what the target of the event is, these ... Read More »
March 08, 2010
9:11
The Boondock Saints: Back In The Theaters March 11th
» ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com

In honor of its ten-year anniversary, The Boondock Saints (the original) is going to be back in the movie theaters for one night on March 11th (this Thursday) as a Fathom Events screening. I love this movie and I never got the chance to see it on the big screen. The first time I ever saw it, I think I purchased it on a whim for $1.99 in a Virgin Records "DVD Clearance" bin. Who knew that the movie would turn out to be awesome! ... Read More »
8:19
jQuery Mouse Events: PageX/Y vs. ClientX/Y
» ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com

When I first starting playing with jQuery events, a lot of what I learned about the jQuery Event object was through trial and error. While I could be remembering incorrectly, I used to find that the jQuery documentation was good at describing the event handlers, but not so good at describing the event object; as such, while I knew that the jQuery event object was a standardized event object, I was never 100% sure which parts of it I was supposed to be using. ... Read More »
March 05, 2010
8:38
URL Rewriting And ColdFusion's WriteToBrowser Image Functionality (CFFileServlet)
» ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com

Yesterday, as I was experimenting with drawing on an HTML canvas element with jQuery , I was using ColdFusion to render temporary images to the browser. Specifically, I was using the CFImage tag's "WriteToBrowser" action to create a temporary PNG file to be served up by ColdFusion's CFFileServlet. This action creates a image file with the given type of location: ... Read More »
7:44
Drawing On The iPhone Canvas With jQuery And ColdFusion
» ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com

The HTML Canvas element is something that I've known about for a long time but never actually looked at until yesterday. The Canvas element is just what it sounds like - a surface on which we can programmatically render graphics and shapes. After seeing some really cool canvas-based demos floating around on Twitter, I decided that it was finally time to see what this web-2.0 element could do. ... Read More »
March 03, 2010
19:39
FLEX On jQuery: Turning HTML Links Into Standard UI Elements
» ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com

In my first "FLEX on jQuery" blog post yesterday , I talked with Javier Julio about some of the similarities and differences between FLEX applications and rich jQuery applications. As we talked, one of the patterns that I began to see was the significant difference in the inherent power of "link" elements in the two differ ... Read More »
9:17
FLEX On jQuery: The Relative Power Of Link Elements
» ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com

Mentally, I am still very much in the web application world of the traditional client-server request-response life cycle. I think in terms of page requests and view rendering; and, as my ability to code complex jQuery applications increases, I fear that my understanding of client-side architecture "best practices" is not keeping up. After a lot of experimentation and exploration that lead to concepts like c ... Read More »
March 02, 2010
8:10
Experimenting With jQuery's Queue() And Dequeue() Methods
» ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com

jQuery comes with a number of built-in animation methods like slideUp() and slideDown(). While these appear to be packaged in their own methods, many of them are powered internally by the animate() method. And while the animate() method handles many of the effects, a string of sequential animations is controlled internally by jQuery's queuing mechanism. This queuing mechanism, while used primarily for the FX ("effects") queue, is also made available as part of the jQuery API. This API allows ... Read More »
March 01, 2010
9:16
Using A State Machine To Parse Tokenized Data In ColdFusion
» ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com

I have always been fascinated by the concept of parsing. I know nothing about it, which is probably why it seems to mystical to me. I've taken stabs at the parsing game before, using various approaches to try and color-code my blog code samples. But, nothing has ever really seemed completely satisfactory. After reading Ray Camden's blog post on translating roman ... Read More »

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