Dragons in the Algorithm
Adventures in Programming
by Michael Chermside

Author: mcherm

Upgrading GWT/AppEngine to v1.6+

I had a project using Google Web Toolkit (GWT) and App Engine. It was developed in Eclipse (which I don't like much, mostly because I don't know how to use it very well) because Google recommends this and provides support in the form of Eclipse plugins for working with these …

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Posted Mon 09 November 2009 by mcherm in Programming

Estimate Units

When you estimate tasks, should the estimates be done in hours, or in days?

As I see it, the big advantage of estimating in hours is that if you THINK in hours, you tend to get a more accurate estimate. There are lots of development tasks which will seem like …

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Posted Fri 13 February 2009 by mcherm in Uncategorized

The Death of Ontology

Once upon a time, all good software used some sort of a command language. Whether it was a word processor like Emacs, a typesetting program like TeX, or even something like a graphing program, everything had a command line at the bottom and some kind of command language that could …

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Posted Mon 29 December 2008 by mcherm in Programming

How Long is an Email Address?

Suppose you are setting up your database table, and you want to create a column to store an email address. How many characters should you allow in the field?

In Oracle (what I use most often), the correct type to use for an email is VARCHAR2(x) for some value …

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Posted Wed 17 December 2008 by mcherm in Programming