talwrii

jq cheatsheet

Extract field from list of objects

jq 'map(.foo)'

[ { foo: 1 }, { foo: 2 } ]
[1, 2]

josegonzalez

#!/usr/bin/env python
import argparse
import redis


def connect_redis(conn_dict):
    conn = redis.StrictRedis(host=conn_dict['host'],
                             port=conn_dict['port'],
                             db=conn_dict['db'])
    return conn

J-L

# Key derivation functions. See:
# http://docs.aws.amazon.com/general/latest/gr/signature-v4-examples.html#signature-v4-examples-python
def sign(key, msg):
    return hmac.new(key, msg.encode('utf-8'), hashlib.sha256).digest()

def getSignatureKey(key, dateStamp, regionName, serviceName):
    kDate = sign(('AWS4' + key).encode('utf-8'), dateStamp)
    kRegion = sign(kDate, regionName)
    kService = sign(kRegion, serviceName)

waltervargas

import Data.Char

positions :: Eq a => a -> [a] -> [Int]
positions x xs = [i | (x', i) <- zip xs [0..], x==x']

lowers :: String -> Int
lowers xs = length [x | x <- xs, x >= 'a' && x <= 'z']

count :: Char -> String -> Int
count x xs = length [x' | x' <- xs, x == x']

masihtehrani

#=============================================================================
# dark_powered.toml --- dark powered configuration example for SpaceVim
# Copyright (c) 2016-2017 Wang Shidong & Contributors
# Author: Wang Shidong < wsdjeg at 163.com >
# URL: https://spacevim.org
# License: GPLv3
#=============================================================================

[options]
    lint_on_the_fly = true