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Work with multidimensional arrays and vectorized numerical operations in Python.

Convert colour spaces and model perception-related transformations in Python.

Compile suitable Python numerical functions to machine code when they are first called.

Load, reshape, and analyze labeled tabular and time-series data with Python.

Choose map colours by data type and export reusable schemes.

Filter, extract, and transform JSON from the command line using a compact query language.

Parse CSS colour strings and build adjusted values in JavaScript.

Use colour schemes and colour-space operations in D3 projects.

Current-limiting resistor calculations for LED arrays

Short Java exercises grouped by language technique