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GDL: GNU Data Language

GDL is a free/libre/open source incremental compiler compatible with IDL (Interactive Data Language) and to some extent with PV-WAVE. Together with its library routines it serves as a tool for data analysis and visualization in such disciplines as astronomy, geosciences and medical imaging. GDL development had been started by Marc Schellens back in early noughtiesContinue reading “GDL: GNU Data Language”

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The birth of Tcl

The Tcl scripting language grew out of my work on design tools for integrated circuits at the University of California at Berkeley in the early 1980’s. My students and I had written several interactive tools for IC design, such as Magic and Crystal. Each tool needed to have a command language (in those days peopleContinue reading “The birth of Tcl”

My guiding principles after 20 years of programming

I’ve been programming since 1999 and this year I’ve officially coded for 20+ years. I started with Basic but soon jumped into Pascal and C and then learned object oriented programming (OOP) with Delphi and C++. In 2006 I started with Java and in 2011 I started with JavaScript. I’ve worked with a wide rangeContinue reading “My guiding principles after 20 years of programming”

Python finally offloads some batteries

Python has often been touted as a “batteries included” language because of its rich standard library that provides access to numerous utility modules and is distributed with the language itself. But those libraries need maintenance, of course, and that is provided by the Python core development team. Over the years, it has become clear thatContinue reading “Python finally offloads some batteries”