March 2016 archive

Playing with fractals on snap

Snap is really great for algorithm research and test. Here is a big classic from the eighties : The Mandelbrot fractal Set for Snap. Get the files here : fractals-0.2.xml   And Have Fun !  

Snap4arduino drag-and-drop programming language for arduino

Snap! (formerly BYOB) is a visual, drag-and-drop programming language. It is an extended reimplementation of Scratch (a project of the Lifelong Kindergarten Group at the MIT Media Lab) that allows you to Build Your Own Blocks. It also features first class lists, first class procedures, and continuations. These added capabilities make it suitable for a …

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Making a SD card for the Raspberry Pi from an image with ddrescue.

On GNU/Linux : The SD card may be presented on any device like /dev/sdx so use on the Terminal the command lsblk  or sudo fdisk -lu to check.   sudo apt-get install gddrescue xz-utils unxz myimage-raspberry-pi.img.xz sudo ddrescue -D –force myimage-raspberry-pi.img /dev/sdx   On MacOSX : On MacOsx you’ll need a real package handler aka : …

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