redblobgames

    const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
    const pixels = imageData.data;
    for (let i = 3, n = canvas.width * canvas.height * 4; i < n; i += 4) {
        pixels[i] = pixels[i] < 127? 0 : 255
    }
    ctx.putImageData(imageData, 0, 0);

miguelgrinberg

import asyncio
loop = asyncio.get_event_loop()

async def hello():
    await asyncio.sleep(3)
    print('Hello!')
    
if __name__ == '__main__':
    loop.run_until_complete(hello())
    

johanndt

TL;DR

Install Postgres 9.5, and then:

sudo pg_dropcluster 9.5 main --stop
sudo pg_upgradecluster 9.3 main
sudo pg_dropcluster 9.3 main

fmasanori

import urllib.request
url = 'http://www.portaltransparencia.gov.br/copa2014/api/rest/empreendimento'
resp = urllib.request.urlopen(url).read().decode('utf-8')
total = 0
j = 0
while True:
  abre = '<valorTotalPrevisto>'
  fecha = '</valorTotalPrevisto>'
  j = resp.find(abre, j)
  if j == -1:

oscargicast

# zsh

EMOJI=(💩 🐦 🚀 🐞 🎨 🍕 🐭 👽 ☕️ 🔬 💀 🐷 🐼 🐶 🐸 🐧 🐳 🍔 🍣 🍻 🔮 💰 💎 💾 💜 🍪 🌞 🌍 🐌 🐓 🍄 )

function random_emoji {
  echo -n "$EMOJI[$RANDOM%$#EMOJI+1]"
}

PROMPT="$(random_emoji)  "
RPROMPT='%c'

oshybystyi

# zsh

EMOJI=(💩 🐦 🚀 🐞 🎨 🍕 🐭 👽 ☕️ 🔬 💀 🐷 🐼 🐶 🐸 🐧 🐳 🍔 🍣 🍻 🔮 💰 💎 💾 💜 🍪 🌞 🌍 🐌 🐓 🍄 )

function random_emoji {
  echo -n "$EMOJI[$RANDOM%$#EMOJI+1]"
}

PROMPT="$(random_emoji)  "
RPROMPT='%c'

P7h

# Steps to build and install tmux from source.
# Takes < 25 seconds on EC2 env [even on a low-end config instance].

VERSION=2.7
sudo yum -y remove tmux
sudo yum -y install wget tar libevent-devel ncurses-devel
wget https://github.com/tmux/tmux/releases/download/${VERSION}/tmux-${VERSION}.tar.gz
tar xzf tmux-${VERSION}.tar.gz
rm -f tmux-${VERSION}.tar.gz
cd tmux-${VERSION}

gist:1c04bf2423579e9d2dcd

// These two need to be declared outside the try/catch
// so that they can be closed in the finally block.
HttpURLConnection urlConnection = null;
BufferedReader reader = null;
 
// Will contain the raw JSON response as a string.
String forecastJsonStr = null;
 
try {
    // Construct the URL for the OpenWeatherMap query

mattiaslundberg

# Install ARCH Linux with encrypted file-system and UEFI
# The official installation guide (https://wiki.archlinux.org/index.php/Installation_Guide) contains a more verbose description.

# Download the archiso image from https://www.archlinux.org/
# Copy to a usb-drive
dd if=archlinux.img of=/dev/sdX bs=16M && sync # on linux

# Boot from the usb. If the usb fails to boot, make sure that secure boot is disabled in the BIOS configuration.

# Set swedish keymap

evanscottgray

docker ps | awk {' print $1 '} | tail -n+2 > tmp.txt; for line in $(cat tmp.txt); do docker kill $line; done; rm tmp.txt