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The introduction to Reactive Programming you've been missing

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

This is a Sketch script to make bar charts.

Here's how to run it:

Make a selection of only shapes with names in the format:

(anything)value={number}

Type driven development with Flow

Written by @alpacaaa and @GiulioCanti

"Type driven development" is a technique used to split a problem into a set of smaller problems, letting the type checker suggest the concrete implementation, or at least helping us getting there. Here's a practical example

The Problem

Say for instance that we like to reimplement the function Promise.all, we'll name it sequence. Let's start with its signature

The Myers diff algorithm

The following based on Myers' original paper.

The edit graph

To use the example from the paper, say you want to calculate the difference between two strings:

	from django.views.generic.base import View, TemplateResponseMixin
	from django.views.generic.edit import FormMixin, ProcessFormView


	class MultipleFormsMixin(FormMixin):
	"""
	A mixin that provides a way to show and handle several forms in a
	request.
	"""
	form_classes = {} # set the form classes as a mapping