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Critical Bug: Schema Tool

By barneyb on November 25, 2007

I discovered a critical bug in my schema tool this evening. During the refactoring I did last week to allow multiple persistence mechanisms (so it doesn't require a DB) I reintroduced a bug that I had fixed in the DB-only version.
If the first minor version of a migration (major version) throws an error, it [...]

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Just Say No to Materialized MySQL Views

By barneyb on November 25, 2007

I'm a big fan of MySQL, but I ran into an interesting performance issue this weekend regarding views. MySQL added view support in 5.0, and I've used it to great effect, but it's not all roses.
Edit (2009-04-22): I used the term "materialized view" below in a misleading way.  True materialized views are stored in [...]

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More Flex Chart Goodness

By barneyb on November 22, 2007

This evening, I extended my Flex charting widget further.  The demo is still available, and I've posted a new ZIP archive of the source.   Here's a quick rundown of what's changed:

The custom tag is now called xmlchart.cfm, instead of just chart.cfm.  That's to make way for a different chart.cfm that provides an XML-less interface (like [...]

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My Flex-based Chart Engine

By barneyb on November 21, 2007

I've been looking for a good charting mechanism for a few personal apps.   CFCHART works in some cases, but I usually opt for SVG, either rendered inline (i.e. SVG and XHTML interleaved in an XML doc) or rasterized into a PNG server-side via Batik.  Both solutions have their merits, but both also have a lot [...]

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Schema Tool Update

By barneyb on November 18, 2007

I've updated my schema tool again, this time with some pretty significant changes.  Quick recap: the goal of the app is to manage your DB schema via managed code, rather than some external process, so you get transparent database upgrade to all environments as part of deploying a new version of your app.  Very handy [...]

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More Thoughts on Server-Side JS

By barneyb on October 17, 2007

I got a lot of great comments (along with some not-so-great ones) regarding my server-side JS implementation. As expected, quite a few people were very excited about using AS3 on the server instead of JS, and I agree. It got me thinking about how much code reuse you could get within an application. [...]

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Why JavaScript (or really, ECMAScript)?

By barneyb on October 16, 2007

After my last post on CF and JS integration (via Rhino), I got several comments that can be summarized as "why?". I addressed the issue in a rather oblique manner in my last post; here's a more full treatment.
Before I start, I want to make incredibly clear that I'm not talking about a new [...]

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CF8 Structure Literal Gotcha

By barneyb on October 15, 2007

This one has gotten me several times.  With the new structure literal notation in CF8, you have to use equal signs between the key-value pairs.  In other places where you use key-value pairs (like passing named params to a UDF), you can use equals signs or colons, but not so with structure literals.
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Cyclic Graph Safe CFDUMP Replacement? Check.

By barneyb on October 11, 2007

On the Fusebox 5 mailing list this evening, Brian Kotek mentioned the inability to CFDUMP the myFusebox object because CFDUMP can't handle the cyclic nature of the object's internal data structures. While dumping myFusebox (which is a CFC instance) is probably a "silly" thing to do (Sean Corfield from the same thread: "Mind you, [...]

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Reflection on CF8's Image Tooling

By barneyb on September 28, 2007

I was really hoping for (though not really expecting) a nice simple solution to centering text on an image to show up as a result of the Wednesday Contest. Sadly, that wasn't the case. As you might guess, the contest was based on a real world use case that I had: gracefully [...]

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