bellbind

# Basics of Elliptic Curve Cryptography implementation on Python
import collections


def inv(n, q):
    """div on PN modulo a/b mod q as a * inv(b, q) mod q
    >>> assert n * inv(n, q) % q == 1
    """
    for i in range(q):
        if (n * i) % q == 1:

briantjacobs

development:
  adapter: mysql2
  encoding: utf8
  database: my_database
  username: root
  password:
  apt:
    - somepackage
    - anotherpackage

snorfsneflin

#!/bin/bash

#install cryptsetup
apt-get install cryptsetup

#initializes the volume, and sets an initial key or passphrase
cryptsetup -y -v luksFormat /dev/xvdc

#the following command create a mapping
cryptsetup luksOpen /dev/xvdc backup2

thejmazz

{
  "presets": ["es2015"],
  "plugins": ["transform-async-to-generator"]
}

willglynn

$ wget -q http://stable.release.core-os.net/amd64-usr/1068.8.0/coreos_production_ami_image.bin.bz2
$ ec2-bundle-and-upload-image -image coreos_production_ami_image.bin.bz2 -s3-bucket totally-not-official-ami -s3-prefix ec2-bundle-and-upload-image/ -name "CoreOS-stable-1068.8.0"
2016/07/28 12:08:19 Using "-region us-east-1" to match S3 bucket
2016/07/28 12:08:19 Using "-account 123456789012" based on active credentials
2016/07/28 12:08:19 Determining size of compressed image...
2016/07/28 12:09:18 Compressed image is 4756340736 bytes
2016/07/28 12:09:18 Writing to s3://totally-not-official-ami/ec2-bundle-and-upload-image/CoreOS-stable-1068.8.0.part.0
2016/07/28 12:09:23 Writing to s3://totally-not-official-ami/ec2-bundle-and-upload-image/CoreOS-stable-1068.8.0.part.1
2016/07/28 12:09:28 Writing to s3://totally-not-official-ami/ec2-bundle-and-upload-image/CoreOS-stable-1068.8.0.part.2
2016/07/28 12:09:31 Writing to s3://totally-not-official-ami/ec2-bundle-and-upload-image/CoreOS-stable-1068.8.0.part.3

phizaz

import functools


def force_async(fn):
    '''
    turns a sync function to async function using threads
    '''
    from concurrent.futures import ThreadPoolExecutor
    import asyncio
    pool = ThreadPoolExecutor()

jingzhehu

cmake_minimum_required(VERSION 3.3)
project(bitcoin)

set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")

add_custom_target(build-bitcoin ALL
        COMMAND ./autogen.sh
        COMMAND ./configure
        COMMAND $(MAKE) WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}

fed-franz

sudo dnf install gcc-c++ libtool make autoconf automake openssl-devel libevent-devel boost-devel libdb4-devel libdb4-cxx-devel python3
git clone https://github.com/bitcoin/bitcoin.git
cd bitcoin/
./autogen.sh
./configure #--without-gui
make

BretFisher

Replace your Swarm Manager and Workers with updated versions of docker

• it's best to replace nodes, don't do apt/yum upgrades.
• both would work, but VM replacment forces me to think of it as immutable and prevents making pets
• if you don't want to update join scripts for manager IP's, then do something like Elastic IP's so manager IP's won't change.

Lets assume you have 3 managers and 3 workers on 17.06 and you want to update to 17.12

• managers: m1, m2, m3

Joeviocoe

#!/bin/sh
# Inspired by https://gist.github.com/daktak/f887352d564b54f9e529404cc0eb60d5
# Inspired by https://gist.github.com/jpouellet/d8cd0eb8589a5b9bf0c53a28fc530369

ip() { qvm-prefs -g -- "$1" ip; }
netvm() { qvm-prefs -g -- "$1" netvm; }

forward() {
	local from_domain=$1
	local to_domain=$2