rahuldamodar94

let Web3 = require("web3");

// Replace value of rpc with https://rpc-mumbai.matic.today for Mumbai
let rpc = "https://rpc-mainnet.matic.network";

const provider = new Web3.providers.HttpProvider(rpc);
const web3 = new Web3(provider);

// Add your private key
web3.eth.accounts.wallet.add("pvt-key");

sulejirl

const web3 = require('web3');
const express = require('express');
const Tx = require('ethereumjs-tx');

const app = express();

//Infura HttpProvider Endpoint
web3js = new web3(new web3.providers.HttpProvider("https://rinkeby.infura.io/YOUR_API_KEY"));

app.get('/sendtx',function(req,res){

alexanderattar

var ethUtil = require('ethereumjs-util');

var data = 'Login';
var message = ethUtil.toBuffer(data);
var msgHash = ethUtil.hashPersonalMessage(message);

var privateKey = new Buffer('62debf78d596673bce224a85a90da5aecf6e781d9aadcaedd4f65586cfe670d2', "hex")
var sig = ethUtil.ecsign(msgHash, privateKey);

var signature = ethUtil.toBuffer(sig)

jackschultz

import datetime

###################################################################
#
# Showing the way bits, difficulty, target, and hash work together.
#
###################################################################

print "Calculating target from bits, verifying the block's hash is valid, and verify the calculated difficulty."

turunut

import hashlib, struct, codecs
 
ver = 2
prev_block = "000000000000000117c80378b8da0e33559b5997f2ad55e2f7d18ec1975b9717"
mrkl_root = "871714dcbae6c8193a2bb9b2a69fe1c0440399f38d94b3a0f1b447275a29978a"
time_ = 0x53058b35 # 2014-02-20 04:57:25
bits = 0x19015f53
 
# https://en.bitcoin.it/wiki/Difficulty
exp = bits >> 24

codediodeio

// No Security

{
  "rules": {
    ".read": true,
    ".write": true
  }
}

chadmayfield

#!/bin/bash
git clone https://github.com/hashcat/hashcat.git
mkdir -p hashcat/deps
git clone https://github.com/KhronosGroup/OpenCL-Headers.git hashcat/deps/OpenCL
cd hashcat/ && make
./hashcat --version
./hashcat -b -D 1,2
./example0.sh

peatiscoding

import AVFoundation


extension AVPlayerItem {
    
    enum TrackType {
        case subtitle
        case audio
        

omgbbqhaxx

func timeAgoSinceDate(date:NSDate, numericDates:Bool) -> String {
    let calendar = NSCalendar.currentCalendar()
    let now = NSDate()
    let earliest = now.earlierDate(date)
    let latest = (earliest == now) ? date : now
    let components:NSDateComponents = calendar.components([NSCalendarUnit.Minute , NSCalendarUnit.Hour , NSCalendarUnit.Day , NSCalendarUnit.WeekOfYear , NSCalendarUnit.Month , NSCalendarUnit.Year , NSCalendarUnit.Second], fromDate: earliest, toDate: latest, options: NSCalendarOptions())
    
    if (components.year >= 2) {
        return "\(components.year) years ago"
    } else if (components.year >= 1){

jacks205

func timeAgoSinceDate(date:NSDate, numericDates:Bool) -> String {
    let calendar = NSCalendar.currentCalendar()
    let now = NSDate()
    let earliest = now.earlierDate(date)
    let latest = (earliest == now) ? date : now
    let components:NSDateComponents = calendar.components([NSCalendarUnit.Minute , NSCalendarUnit.Hour , NSCalendarUnit.Day , NSCalendarUnit.WeekOfYear , NSCalendarUnit.Month , NSCalendarUnit.Year , NSCalendarUnit.Second], fromDate: earliest, toDate: latest, options: NSCalendarOptions())
    
    if (components.year >= 2) {
        return "\(components.year) years ago"
    } else if (components.year >= 1){