alexanderattar

package main

import (
	"database/sql"
	"errors"
	"fmt"
	_ "github.com/bmizerany/pq"
	"os"
	"regexp"
	"strings"

alexanderattar

Univerally recognised mathematical symbols and their name/meaning

≡ is defined as/is equivalent to

= is equal to

≠ is not equal to

‖...‖ size (length) of

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)

alexanderattar

package main

import (
	"fmt"

	"github.com/ethereum/go-ethereum/crypto"
	"github.com/go-ethereum/common/hexutil"
)

func main() {

alexanderattar

How to update the Go version

System: Mac OS Sierra (10.12.6)

1. Uninstall the exisiting version

As mentioned here, to update a go version you will first need to uninstall the original version.

To uninstall, delete the /usr/local/go directory by:

alexanderattar

Keybase proof

I hereby claim:

• I am alexanderattar on github.
• I am spheres (https://keybase.io/spheres) on keybase.
• I have a public key whose fingerprint is 4DA1 8F55 B579 3278 F11A 3674 7711 0903 C05C 6ECF

To claim this, I am signing this object:

alexanderattar

// Report on "stuck" ether in empty contracts
// https://github.com/ethereum/EIPs/issues/156

// Usage: node find-stuck-ether.js [startBlock] [endBlock] > report.txt

let Eth = require('ethjs');
let eth = new Eth(new Eth.HttpProvider('http://localhost:8545'));
let ethutil = require('ethereumjs-util')

async function main() {

alexanderattar

layout	title	description	tags
default	SQL Style Guide	A guide to writing clean, clear, and consistent SQL.	data process

Purpose

alexanderattar

The standard names for indexes in PostgreSQL are:

{tablename}_{columnname(s)}_{suffix}

where the suffix is one of the following:

• pkey for a Primary Key constraint;
• key for a Unique constraint;
• excl for an Exclusion constraint;
• idx for any other kind of index;

alexanderattar

Using MongoDB in golang with mgo