danyshaanan

Git basics and data structure

Learning Git basics and structure

What is Git?

Git is a Version Control system - a way to manage the changes and progress of a project, so that:

• We'd know when each change was made, by whom, and why.
• We'd be able to revert specific changes, even if they were done a while ago.

danyshaanan

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danyshaanan

from PIL import Image

backgroundColor = (0,)*3
pixelSize = 9

image = Image.open('input.png')
image = image.resize((image.size[0]/pixelSize, image.size[1]/pixelSize), Image.NEAREST)
image = image.resize((image.size[0]*pixelSize, image.size[1]*pixelSize), Image.NEAREST)
pixel = image.load()

danyshaanan

July 27th, 2014

Chess and bereavement in Cairo

By Dany Shaanan

I've been to Cairo twice. Once in April 2005, and once in September 2010, three months before the events that sparked the Arab Spring. Before we arrived to Cairo, we decided that in public we will speak only English (even though our native tongue is Hebrew) and that we will tell people that we are from Budolina, which is an imaginary kingdom from a book by the same name. We quickly realised, however, that there was no need for any of that. We introduced ourselves as Israelis, and discovered a welcoming, happy people living in a vibrant and wonderful city.

danyshaanan

#!/usr/bin/python
from random import choice
# from fractions import gcd #this is slower than the implementation below!!

def gcd(a, b):
    while b != 0:
        a, b = b, a%b
    return a

def coprime(a, b):

danyshaanan

'use strict'

const fib = m => (h => h(h, m))((g, n) => n < 2 ? n : g(g, n - 1) + g(g, n - 2))

console.log([0,1,2,3,4,5,6,7].map(fib))

danyshaanan

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danyshaanan

'use strict'

// Create a random color:

function color() {
  return '#'+(Math.random().toString(16) + '000000').slice(2, 8)
}

for (var i=0; i<10; i++) console.log(color())

danyshaanan

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