So I used ruby to convert a simple hex string into a binary file in Converting hex to Binary in 4 Languages. Today I was trying to create a mixed ascii/binary file at work and created a little Domain Specific Language that has good possibilities.

NOTE: There is an expanded version of this script here: A Better Binary File Generator DSL in Ruby
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The venerable C switch statement keeps showing up in other languages presumably because the people who write new languages are familiar with C and don’t really think about it.
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This isn’t strictly computer engineering, but at least it is math. Today, 3/14, is PI Day!. Enjoy.

Rhino is a JavaScript/ECMAscript implementation in Java. Using the new java1.6 scripting API you can now easily embed JavaScript into your Java applications. I thought I’d try writing yet another implementation of the net_tool application using Rhino. Originally this was going to be a single article, but it turns out to be a two-fer.
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So apparently the hex to binary in 4 languages portion of this web page is what gets the most google hits and who am I to argue? So without further ado, hex to binary in Java as well…

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As an experiment I wrote a WordPress plugin that turns [wikipedia]c++[/wikipedia] into c++.

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Most people are aware of java annotations by now, but I’m not sure everyone knows about @Override. They really should.

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My favorite example of a DSL is the latest jmock API just because you really have to fight the language. Fortunately Ruby makes things easier. I’ve been thinking a shell in ruby might be a nice change of pace so this is a small example of how to go about implementing one.

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So for the final segment in the netcat clone series (see this and this) I’m going to write it in Perl…
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A continuation of this article I now write a very stupid version of netcat in python.

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