scturtle

Keybase proof

I hereby claim:

• I am scturtle on github.
• I am scturtle (https://keybase.io/scturtle) on keybase.
• I have a public key whose fingerprint is C781 C6A7 A71A FFBA D1CD 08DA 899C 7671 AF1A 9565

To claim this, I am signing this object:

scturtle

data  AVL a = Null | Branch a (AVL a) (AVL a) Int Int -- height size
            deriving Show

height :: AVL a -> Int
height Null = 0
height (Branch _ _ _ h _) = h

size :: AVL a -> Int
size Null = 0
size (Branch _ _ _ _ s) = s

scturtle

🎵
「」
╮(￣▽￣")╭
┐(･ิL_･ิ)┌
ˊ_>ˋ
(#°Д°)
_(:3」∠)_
→_→
﹁ ﹁
눈_눈

scturtle

import cv2
import cv2.cv as cv
import tesseract

def show(im):
    msg = 'press any key to continue'
    cv2.namedWindow(msg, cv2.WINDOW_NORMAL)
    cv2.imshow(msg, im)
    cv2.waitKey(0)
    cv2.destroyAllWindows()

scturtle

import qualified Data.Map as Map

data Formula = Variable String
             | Negation Formula
             | Conjunction Formula Formula
             | Disjunction Formula Formula

instance Show Formula where
  show (Variable v) = v
  show (Negation f) = "!" ++ show f

scturtle

import Data.Maybe (fromMaybe)

class Fluffy f where
  furry :: (a -> b) -> f a -> f b

-- Exercise 1
-- Relative Difficulty: 1
instance Fluffy [] where
  furry = map

scturtle

@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("www.weibo.com") {
    #v6_pl_content_publishertop {
        display: none
    }

    #v6_pl_content_homefeed .WB_tab_a {
        display: none
    }

scturtle

use std::iter;

fn primes(maxn: uint) -> (Vec<bool>, Vec<uint>) {
    let mut primes : Vec<uint> = Vec::new();
    let mut is_prime : Vec<bool> = Vec::from_elem(maxn + 1, true);
    *is_prime.get_mut(0) = false;
    *is_prime.get_mut(1) = false;
    primes.push(2);
    for i in iter::range_step_inclusive(4, maxn, 2) {
        *is_prime.get_mut(i) = false;

scturtle

#!/bin/env python
''' L-BFGS algorithm http://aria42.com/blog/2014/12/understanding-lbfgs/ '''
import numpy as np
from numpy import linalg
from collections import deque


class LineSearch:

    ''' backtracing line search algorithm '''

scturtle