arthurbeggs

#!/bin/bash

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###                       OpenCV2 Installation Script                        ###
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#            Source code at https://github.com/arthurbeggs/scripts             #
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#     Feel free to copy and modify this file. Giving me credit for it is your  #
# choice, but please keep references to other people's work, which I don't     #

BrianWill

The Go language for experienced programmers

Why use Go?

• Like C, but with garbage collection, memory safety, and special mechanisms for concurrency
• Pointers but no pointer arithmetic
• No header files
• Simple, clean syntax
• Very fast native compilation (about as quick to edit code and restart as a dynamic language)
• Easy-to-distribute executables

Icelandjack

(previous Yoneda blog) (reddit) (twitter)

Yoneda Intuition from Humble Beginnings

Let's explore the Yoneda lemma. You don't need to be an advanced Haskeller to understand this. In fact I claim you will understand the first section fine if you're comfortable with map/fmap and id.

I am not out to motivate it, but we will explore Yoneda at the level of terms and at the level of types.

evinism

/* Summon the naturals */
type Zero = 0;
type Succ<T extends Succ<any> | Zero> = {
  next: T;
}

// Construct a few naturals.
type n0 = Zero;
type n1 = Succ<n0>;
type n2 = Succ<n1>;