Renowned computer scientist Paul Hudak, one of the designers of the Haskell programming language, died of leukemia this week. There’s been an outpouring of reactions from people Paul’s life and work has touched. Paul was my Ph.D. adviser at Yale in the 1990s. He supervised my work, paid for my education, and created an environment that enabled me to learn from some of the brightest minds in the world.
Paul was an influential figure in the advancement of functional programming. Functional programming advocates a declarative style, as opposed to procedural or imperative style, of programming… In many cases, the declarative style is easier to understand and more elegant. Because the declarative style focuses on what, rather than how to perform the computation, it enables programmers to worry less about implementation details and gives compilers more freedom to produce optimized code.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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