well1791

CATEGORY THEORY FOR PROGRAMMERS

Category Theory 1.1: Motivation and Philosophy 
https://www.youtube.com/watch?v=I8LbkfSSR58&index=1&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_

Composability, Abstraction, Reusability

Category Theory is a higher-level language.
Not a practical, executable language.

well1791

const curryN = (n, f) => (...args) => args.length < n
  ? curryN(n, f).bind(null, ...args)
  : f(...args);

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def fizzbuzz(n)
  acc = 810092048
  messages = [nil, "Fizz", "Buzz", "FizzBuzz"]

  (1..n).each do |i|
    c = acc & 3
    puts messages[c] || i
    acc = acc >> 2 | c << 28
  end
end

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Keybase proof

I hereby claim:

• I am well1791 on github.
• I am well1791 (https://keybase.io/well1791) on keybase.
• I have a public key whose fingerprint is DBBF 8866 7E6A B660 1843 031F BE02 F52B 30AE 15AC

To claim this, I am signing this object:

well1791

import unittest

###
# Utility functions
###

def fromIndex(i, arr):
    try:
        return arr[i]
    except:

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const last = (arr) => arr.slice(-1)[0];
const init = (arr) => arr.slice(0, -1);
const matrix = (row, fnRow) => (col, fnItem) =>
  [...Array(row * col).keys()].reduce((z, x) => {
    const lastRow = last(z);
    const initRows = init(z);
    const item = fnItem(x);

    if (lastRow.length < col) {
      const rowUpdated = lastRow.concat(item);

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import * as React from 'react'

import { themes } from './theme'
import useCurrentTheme from './useCurrentTheme'

export type Props = {
  children?: React.ReactNode
}

export function ThemeProvider({ children }: Props) {

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import type * as t from './types.d'

const ONE_IN_TO_CM = 2.54

const metricMap: t.UnitMap<t.MetricUnit> = {
  mapList: ['km', 'hm', 'dam', 'm', 'dm', 'cm', 'mm'],
  updater: {
    inc: (a) => a * 10,
    dec: (a) => a / 10,
  }

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// see: http://norvig.com/mayzner.html

all = [...document.querySelectorAll('tbody td')]
  .filter((td) => td.title.includes(": "))
  .map((td) => {
    const [bi, val] = td.title
    	.split('%')[0]
      .split(': ')
    return [bi.toLowerCase(), Number(val)]
  })

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/// ~/.configh/fish/functions/_tide_pwd.fish
-if set -l split_pwd (string replace -r '^$HOME' '~' -- \$PWD | string split /)
+if set -l split_pwd (string replace -r '^$HOME' '~' -- \$PWD | string split /)[-2..]
// see https://github.com/IlanCosman/tide/issues/428#issuecomment-1765244274