abeland

export EDITOR='emacs'

# meta
alias eb='emacs ~/.bash_profile'
alias sb='source ~/.bash_profile'

# nav
alias ..='cd ..'
alias ~='cd ~'
alias ls='ls -G'

abeland

# ruby 2.5.0, rails 5.1.4

key = SecureRandom.hex(32) # Need 256 bits = 32 bytes of entropy. Since in hex it will be 64 characters long.
data = 'example data that I want to hmac could be json string of a big Hash for example'

hmac_bytes = OpenSSL::HMAC.digest(OpenSSL::Digest.new('sha256'), key, data) # raw bytes (in string representation)
hmac_base64 = Base64.urlsafe_encode64(hmac_bytes) # often sending in a link so I use urlsafe version

abeland

bar

abeland

import re
from typing import List, Tuple


def get_lines() -> List[str]:
    with open('input.txt', 'r') as f:
        return f.readlines()


def parse_stacks() -> List[List[str]]:

abeland

from collections import deque
from input import INPUT


def _detect_start_of_msg(s: str, n: int) -> int:
    d = deque(s[0:n])
    i = n
    while len(set(d)) < n:
        d.popleft()
        d.append(s[i])

abeland

from collections import deque
from dataclasses import dataclass
import re
from typing import List, Optional, Tuple

FILE_METADATA_PATTERN = re.compile('^(?P<filesize>\d+)\s+(?P<filename>.+)')
DIR_METADATA_PATTERN = re.compile('^dir\s+(?P<dirname>.+)')


@dataclass

abeland

FILE = 'input.txt'

DIRECTION_TO_DELTA = {
    'L': (-1, 0),
    'R': (1, 0),
    'U': (0, 1),
    'D': (0, -1),
}

def parse_moves():