jasim

“Why Functional Programming Matters” by John Hughes.

https://www.cs.kent.ac.uk/people/staff/dat/miranda/whyfp90.pdf.

https://blog.acolyer.org/2016/09/14/why-functional-programming-matters/

“The Design of a Pretty-printing Library” by John Hughes.

shageman

#Count the lines of Ruby code in your app
find . -iname "*.rb" -type f -exec cat {} \; | wc -l

lelandbatey

Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results

abhiomkar

# Author: Abhinay Omkar
# Title: One-liner to download youtube video in Python
from urllib import urlopen, unquote; from urlparse import parse_qs, urlparse; youtube_watchurl="http://www.youtube.com/watch?v=NeSuirvA6UE&playnext_from=TL&videos=MS3Hq4oBj08"; video_id = parse_qs(urlparse(youtube_watchurl).query)['v'][0]; open(video_id+'.mp4', 'wb').write(urlopen("http://www.youtube.com/get_video?video_id=%s&t=%s&fmt=18"%(video_id, parse_qs(unquote(urlopen('http://www.youtube.com/get_video_info?&video_id=' + video_id).read().decode('utf-8')))['token'][0])).read())