What are the differences and when should I use one or the other?
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This article expands the example from the previous two, here and here, to add more specific error information.

As always the full code from the example is available here here.

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In this article I demonstrate how to write your own check macros for the boost test library (not guaranteed to work in the future)

Full source code for this example can be downloaded here.
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In Creating a Binary File Using a Ruby DSL I did a very small example of using a ruby DSL to generate complex binary files without having to use C or a hexeditor. I’ve beefed it up significantly since then so here is the updated version of h2b.irb.
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There are other ways of doing this, but I thought it would be fun to write a command-line xpath script in ruby using rexml. (full working example here)
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One of the more annoying aspects of writing developer documentation is that it is very easy for your code examples to get out of date, develop typos, etc(As those reading previous articles may have noticed). In this article I use docbook, xslt, and automake to generate code examples that are guaranteed to compile.
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I did a presentation on the spirit library in the flesh recently and was surprised to find the big sticking point was C++ functors. So I thought I’d cover the concept here.

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In the last article we covered how to define a grammar in the boost spirit library. This article will show you how to use the data parsed by the grammar with actions. The code for this example is here.
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I haven’t done a post in a while, but I thought the boost spirit library was worth an entry. Spirit provides a way of specifying and parsing a custom language grammar right inline in C++ without the need for a code generator like lex/yacc. Spirit makes it so easy to specify and use a grammar that you should never hand write even the most trivial parser again.

The full code for this example can be found here.

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