davidejones

// Flattening
let arrays = [[1, 2, 3], [4, 5], [6]];
const data = arrays.reduce((acc, item) => acc.concat(item));
console.log(data);

// Your own loop

// Everything

// Dominant writing direction

davidejones

const range = (start, end, step=1) => {
  const data = [];
  for(let i=start; i <= end; i=i+step) {
    data.push(i);
  }
  return data;
};

console.log(range(3,6));
console.log(range(1,100,10));

davidejones

// minimum

function min(arg1, arg2) {
  return (arg1 < arg2) ? arg1 : arg2;
}

console.log(min(0, 10));
console.log(min(0, -10));

// recursion

davidejones

// looping a triangle
for(var i=0; i < 8; i++) { 
  console.log('#'.repeat(i)); 
}

// fizzbuzz
for(var i=1; i < 101; i++) { 
  if(i % 3 == 0 && i % 5 == 0) {
    console.log(i + ' FizzBuzz');
  } else if(i % 3 == 0) {

davidejones

from html.parser import HTMLParser
import urllib.request


class LinkParser(HTMLParser):
    def __init__(self, *, convert_charrefs=True):
        super().__init__(convert_charrefs=convert_charrefs)
        self.links = []

    def handle_starttag(self, tag, attrs):

davidejones

languages:
  en:
    menu:
      main:
        - identifier: menu_home
          name: "Home"
          url: "/home/"
          weight: 10
        - identifier: menu_about
          name: "About"

davidejones

#!/usr/bin/env bash

# image magick extract image from gif
convert Collaboration.gif[4] collaboration-static.gif

# ffmpeg extract image from timestamp
ffmpeg -ss 00:00:04 -i Collaboration.mp4 -vframes 1 collaboration.png
ffmpeg -ss 00:00:12 -i Alerts.mp4 -vframes 1 alerts.png
ffmpeg -ss 00:00:09 -i API.mp4 -vframes 1 api.png
ffmpeg -ss 00:00:07 -i APM.mp4 -vframes 1 apm.png

davidejones

#!/usr/bin/env bash

# color pick the homepage
image_filename="public/$(sed -n 's/.*data-color="\([^"]*\).*/\1/p' public/index.html)"
echo "Picking color from : ${image_filename}"
if type "colorific" > /dev/null && [ -f $image_filename ]; then
    picked_color=$(echo $image_filename | colorific | cut -d# -f7)
    echo "Picked color : ${picked_color}"
    sed -i "/^[[:space:]]*.home-blog-bg/,/}$/ s/background-color:.*/background-color: #$picked_color;}/g" public/index.html
else

davidejones

#!/usr/bin/env bash

# grep
#	-i	case insensitive
#	-l	output file names only
#
#	Any line that begins with zero or more spaces
#	followed by word "featured"
#	followed by zero or more spaces
#	followed by ":"

davidejones

import os
import requests
import tarfile


def download_github_repo_tar(token, org, repo, branch, to_path):
    """
    Downloads a stream tar.gz file from github of a certain organisation/branch/repo
    and extracts csv files to tmp directory for parsing