Shlomo Abraham ShlomoAbraham

ShlomoAbraham / .block

Created October 17, 2019 15:47

fresh block

license: mit

ShlomoAbraham / cards.py

Last active July 25, 2018 17:09

	import random
	import itertools

	# solution is a dictionary:
	# - Key is a tuple of (score: int, cards_remaining: int)
	# - Value is a tuple of (continue_drawing: bool, expected_value: float)
	solution = {
	(-1, 1): (True, 0),
	(1, 1): (False, 1)
	}

ShlomoAbraham / ImmutableQueueDemo.cs

Last active May 18, 2018 14:01

Immutable Collections

	//uses nuget System.Immutable.Collections
	//using System.Immutable.Collections;

	//On an implementation level, an ImmutableQueue is a linked list with head and tail pointers. So q is a reference to an empty list.
	var q = ImmutableQueue<int>.Empty; //[]

	//Create a new node, and point it towards the list 'q' (which is empty)
	var q1 = q.Enqueue(1); // 1.

	//Create a new node, and point it towards the list 'q1' (which is empty)

ShlomoAbraham / RxStateExtensions.cs

Last active February 27, 2018 17:08

An example of state with Rx

	void Main()
	{
	//For each number: If the previous even-indexed numbers sum to greater than 10, then multiply by -1
	var numbers = Observable.Generate(new Random(), _ => true, r => r, r => r.Next(-5, 10))
	.Take(100)
	.Select((num, index) => Tuple.Create(num, index))
	.StateSelect(0,
	(state, indexedInt) => state > 10 ? indexedInt.Item1 * -1 : indexedInt.Item1, //result selector
	(state, indexedInt) => indexedInt.Item2 % 2 == 0 ? state + indexedInt.Item1 : state
	);