tanduong

ssh-keygen -t rsa -b 4096 -m PEM -f jwtRS256.key
# Don't add passphrase
openssl rsa -in jwtRS256.key -pubout -outform PEM -out jwtRS256.key.pub
cat jwtRS256.key
cat jwtRS256.key.pub

tanduong

ClickEvent

A Pen by Tan Duong on CodePen.

License.

tanduong

find . -type d -depth 1 -exec git --git-dir={}/.git --work-tree=\$PWD/{} pull \;

tanduong

const express = require('express');
const bodyParser = require('body-parser');
const axios = require('axios');
const app = express();
const cors = require('cors');

app.use(cors());
app.use(bodyParser.json());
const backend = 'https://marketplace-api.qa.kamereo.vn/graphql';

tanduong

const fs = require('fs');
require('isomorphic-fetch');
const {introspectionQuery, buildClientSchema, printSchema} = require('graphql');

function introspectionProvider(introspectionQuery) {
  console.log(JSON.stringify({query: introspectionQuery}));
  return fetch('https://marketplace-api.qa.kamereo.vn/graphql', {
    method: 'post',
    headers: {
      Accept: 'application/json',

tanduong

namespace :db do
  desc "Backs up heroku database and restores it locally."
  task import_from_heroku: [ :environment, :create ] do
    HEROKU_APP_NAME = nil # Change this if app name is not picked up by `heroku` git remote.

    c = Rails.configuration.database_configuration[Rails.env]
    heroku_app_flag = HEROKU_APP_NAME ? " --app #{HEROKU_APP_NAME}" : nil
    Bundler.with_clean_env do
      puts "[1/4] Capturing backup on Heroku"
      `heroku pg:backups capture DATABASE_URL#{heroku_app_flag}`

tanduong

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

tanduong

aaa

tanduong

# Raw transaction API example work-through
# Send coins to a 2-of-3 multisig, then spend them.
#
# For this example, I'm using these three keypairs (public/private)
# 0491bba2510912a5bd37da1fb5b1673010e43d2c6d812c514e91bfa9f2eb129e1c183329db55bd868e209aac2fbc02cb33d98fe74bf23f0c235d6126b1d8334f86 / 5JaTXbAUmfPYZFRwrYaALK48fN6sFJp4rHqq2QSXs8ucfpE4yQU
# 04865c40293a680cb9c020e7b1e106d8c1916d3cef99aa431a56d253e69256dac09ef122b1a986818a7cb624532f062c1d1f8722084861c5c3291ccffef4ec6874 / 5Jb7fCeh1Wtm4yBBg3q3XbT6B525i17kVhy3vMC9AqfR6FH2qGk
# 048d2455d2403e08708fc1f556002f1b6cd83f992d085097f9974ab08a28838f07896fbab08f39495e15fa6fad6edbfb1e754e35fa1c7844c41f322a1863d46213 / 5JFjmGo5Fww9p8gvx48qBYDJNAzR9pmH5S389axMtDyPT8ddqmw

# First: combine the three keys into a multisig address:
./bitcoind createmultisig 2 '["0491bba2510912a5bd37da1fb5b1673010e43d2c6d812c514e91bfa9f2eb129e1c183329db55bd868e209aac2fbc02cb33d98fe74bf23f0c235d6126b1d8334f86","04865c40293a680cb9c020e7b1e106d8c1916d3cef99aa431a56d253e69256dac09ef122b1a9

tanduong

from __future__ import with_statement
import signal, time
from contextlib import contextmanager

def long_function_call():
    while True:
        if time.time() % 1 == 0:
            print '*'

class TimeoutException(Exception): pass