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Haskell, nix, functional programming

Aleksandar Topuzović atopuzov

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Haskell, nix, functional programming
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# The MIT License (MIT)
# Copyright (c) 2014 Aleksandar Topuzović <aleksandar.topuzovic@gmail.com>
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
@atopuzov
atopuzov / beautiful_idiomatic_python.md
Created November 18, 2015 17:41 — forked from JeffPaine/beautiful_idiomatic_python.md
Transforming Code into Beautiful, Idiomatic Python: notes from Raymond Hettinger's talk at pycon US 2013. The code examples and direct quotes are all from Raymond's talk. I've reproduced them here for my own edification and the hopes that others will find them as handy as I have!

Transforming Code into Beautiful, Idiomatic Python

Notes from Raymond Hettinger's talk at pycon US 2013 video, slides.

The code examples and direct quotes are all from Raymond's talk. I've reproduced them here for my own edification and the hopes that others will find them as handy as I have!

Looping over a range of numbers

for i in [0, 1, 2, 3, 4, 5]:
anonymous
anonymous / c201-kerngen.sh
Created July 30, 2017 04:25
export ARCH=arm
export CROSS_COMPILE=armv7a-hardfloat-linux-gnueabi-
export KERNEL_SERIES=v4.13
export KERNEL_BRANCH=v4.13-rc1
export LOCALVERSION=
export MALI_VERSION=r19p0-01rel0
export MALI_BASE_URL=https://developer.arm.com/-/media/Files/downloads/mali-drivers/kernel/mali-midgard-gpu
export DTB_FILES="
@zimbatm
zimbatm / callPackage
Last active January 31, 2019 11:16
Usage: callPackage [path] [...nix-build args]
#!/usr/bin/env bash
#
# Usage: callPackage [src] [...nix-build args]
#
# A version of nix-build that uses nixpkgs.callPackage to fill in the
# arguments.
#
# * [src] can be a path or a URL. Defaults to .
#
# Example:
@fstab
fstab / MATRIX.md
Last active January 5, 2022 12:31
How to use matrix.org and vector.im as an IRC client

How to use matrix.org and vector.im as an IRC client

How to Join an IRC Channel on matrix.org

Join the room #freenode_<#channel>:matrix.org, replacing <#channel> with the name of the IRC channel. For example, in order to join the #prometheus IRC channel, join the room #freenode_#prometheus:matrix.org on matrix.org.

In vector.im, rooms can be joined with the directory symbol on the bottom left.

@paf31
paf31 / 24days.md
Last active August 8, 2023 05:53
24 Days of PureScript

This blog post series has moved here.

You might also be interested in the 2016 version.

@markwylde
markwylde / build-coreboot-for-chromebook-c201.md
Last active December 29, 2023 17:10
Build Coreboot for ARM Chromebook - C201 Veyron Speedy

These instructions will take you through the step by step process of building and flashing a custom build of the Coreboot ROM to a Chromebook C201.

This guide expects you to have a Chromebook C201, and another ARM computer with Ubuntu installed. Specifically I used the Odroid XU2. You may be able to do this on an Intel platform, using a cross compiler. See the sidenotes section for more information.

Setting up your Ubuntu

Install dependancies

Update your Ubuntu aptitude and install the dependancies we will need.

sudo apt update

Applied Functional Programming with Scala - Notes

Copyright © 2016-2018 Fantasyland Institute of Learning. All rights reserved.

1. Mastering Functions

A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.

val square : Int => Int = x => x * x
#!/usr/bin/env stack
-- stack --resolver lts-12.21 script
{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TemplateHaskell #-}
import Control.Lens
import Control.Monad (replicateM)
import System.Random
import RIO