I worked with PIC18 on a large project for about 2 years. The project was composed of some 10 devices all PIC18 based whose firmware was produced by tailoring the codebase with conditional compilation. I had some fun and quite a lot of frustration besides having a hard time trying to understand while in the
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As a programmer, you will be quite familiar with the abs function. I thought I was. In fact it was filed in my brain drawer with the absolute mathematical function. It takes a number and provides an always positive or zero result. Right? Well, mostly. This morning, while typing in the scala REPL:
