jakab922’s gists

jakab922 / transform.hs

Created March 25, 2016 11:55

	{-
	Based on
	- https://www.schoolofhaskell.com/school/to-infinity-and-beyond/pick-of-the-week/guide-to-ghc-extensions/list-and-comprehension-extensions
	-}

	{-# LANGUAGE ParallelListComp, TransformListComp #-}

	f :: (Num a, Ord a) => [a] -> [a] -> [(a, a)]
	f xs ys = [(x, y) \| x <- xs,
	then (filter (\z -> z > 10))

jakab922 / transform_with_group.hs

Created March 25, 2016 14:55

	{-
	The file is based on:
	https://ocharles.org.uk/blog/guest-posts/2014-12-07-list-comprehensions.html
	-}

	{-# LANGUAGE TransformListComp, RecordWildCards #-}
	import GHC.Exts (groupWith, the)
	import Data.Ord (comparing)
	import Data.List (sortBy)

jakab922 / battleship.py

Last active May 17, 2016 21:52

	from random import randint as ri, shuffle

	width, height = 5, 5
	ship_count = 5
	try_count = 5

	class NotOnTable(Exception):
	pass

	def guess(row, col):

jakab922 / descriptive_statistics_final_project.ipynb

Created May 20, 2016 14:44

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jakab922 / template.html

Created June 9, 2016 14:54

	<!DOCTYPE html>
	<html>
	<head>
	<title>Showing the relationship graph for question {{n}}</title>
	<style>
	#graph-container {
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;

jakab922 / comb_series.py

Created June 21, 2016 17:24

	""" The problem description:

	Given a Data Structure having first n integers and next n chars.
	A = i1 i2 i3 ... iN c1 c2 c3 ... cN.Write an in-place algorithm
	to rearrange the elements of the array ass A = i1 c1 i2 c2 ... in cn

	"""


	def swap(arr, ind1, ind2):

jakab922 / set_solver.py

Last active August 11, 2016 21:19

	""" Solver logic for https://boardgamegeek.com/boardgame/1198/set """

	from random import shuffle
	from itertools import product, combinations

	revd = [
	["one", "two", "three"],
	["red", "green", "blue"],
	["empty", "half", "full"],
	["ellipse", "rectangle", "wavy"]]

jakab922 / datetime_format.bsh

Created August 30, 2016 07:59

Formatting the current time in beanshell

	import java.util.Date;
	import java.text.SimpleDateFormat;

	SimpleDateFormat formatter = new SimpleDateFormat( "yyyyMMddHHmmss" );
	return formatter.format( new java.util.Date() );

jakab922 / rbt_delete_doc.py

Created August 31, 2016 12:31

	def delete(tree, key):
	remove_node = find(tree, key)
	if remove_node is None:
	raise KeyError
	remove_color = remove_node.color
	replace_node = None
	rl, rr, tl = remove_node.left, remove_node.right, tree.leaf
	if rl == tl and rr == tl:
	replace_node = tree.leaf
	transplant(tree, remove_node, tree.leaf)

jakab922 / gradient_descent.py

Created September 3, 2016 11:25

Gradient decent for linear regression

	import numpy as np

	def gradient_descent(x, y, alpha, rounds):
	z = np.ones(x.shapes[1])
	for _ in xrange(rounds):
	z = z - alpha * np.dot(np.dot(X, z) - y, X)
	return z

Daniel Papp jakab922