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// Author: Nick Mudge (https://twitter.com/mudgen) | |
// This is part of my tweet thread, "Six things you need to know to use DELEGATECALL safely": https://twitter.com/mudgen | |
// Shows how to use DELEGATECALL | |
// Using OpenZeppelin's Address library check to see if | |
// myContract has code. | |
require(Address.isContract(myContractAddress), "Address has no code"); | |
// Set function argument we are going to use. | |
uint myArg = 10; |
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const fs = require('fs'); | |
const solc = require('solc'); | |
const Web3 = require('web3'); | |
const Tx = require('ethereumjs-tx') | |
// Private key to use to sign the transactions | |
// To decrypt your private key, use e.g. https://www.myetherwallet.com/#view-wallet-info | |
// You will find your private key file in e.g. .ethereum/keystore or .parity/keys | |
// In this example the key should correspond to the web3.eth.coinbase address | |
var privateKey = new Buffer('088c110b6861b6c6c57461370d661301b29a7570d59cb83c6b4f19ec4b47f642', 'hex') |
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import React, {Component} from 'react'; | |
import {BootstrapTable, TableHeaderColumn} from 'react-bootstrap-table'; | |
import _ from 'lodash'; | |
const dataTable = _.range(1, 60).map(x => ({id: x, name: `Name ${x}`, surname: `Surname ${x}`})); | |
// Simulates the call to the server to get the data | |
const fakeDataFetcher = { | |
fetch(page, size) { | |
return new Promise((resolve, reject) => { |
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#!/bin/sh | |
# This script will migrate schema and data from a SQLite3 database to PostgreSQL. | |
# Schema translation based on http://stackoverflow.com/a/4581921/1303625. | |
# Some column types are not handled (e.g blobs). | |
SQLITE_DB_PATH=$1 | |
PG_DB_NAME=$2 | |
PG_USER_NAME=$3 |