As others have pointed out, there are three ways to deal with errors in a consistent manner: correctly typing parameters and setting up conditions under which your functions will run, dealing correctly and consistently with errors generated, and simplifying your methodology to apply these steps. As Samsdram pointed out, correctly typing your functions will help … Read more
Here is a nice article. Also, FROM HERE (unchecked) Question: How do I modify the front end to add new keyboard shortcuts? Answer: (mathgroup May 2005, trevor baca:) I’ve been mucking around in KeyEventTranslations.tr setting up keyboard shortcuts recently and i’ve learned that front end tokens are pretty cool. this wolfram page gives pretty good … Read more
One of the nice things about the Mathematica notebook interface is that it can evaluate expressions in any language, not just Mathematica. As a simple example, consider creating a new Shell input cell type that passes the contained expression to the operating system shell for evaluation. First, define a function that delegates evaluation of a … Read more