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import React, {useState, useEffect} from 'react';
let Web3 = require('web3');
function Index() {
const [web3, setWeb3] = useState(null)
const [address, setAddress] = useState(null)
const [contract, setContract] = useState(null)
const [totalSupply, setTotalSupply] = useState(0)
@gbarreiro
gbarreiro / docker-compose.yml
Last active February 17, 2021 14:56
Docker Compose sample file
version: "3.8"
services:
database:
image: mysql:latest
volumes:
- db-data:/var/lib/mysql/data
command: --default-authentication-plugin=mysql_native_password # run this command in the container
networks:
- database-api
restart: always # the container must be always on
@jrapala
jrapala / ExternalLink.test.js
Created July 16, 2020 20:55
Mocking RN Linking
@slmingol
slmingol / IAM Permissions List.md
Created September 15, 2019 20:43 — forked from mechcozmo/IAM Permissions List.md
A list of IAM permissions you can use in policy documents. Collected from the myriad of places Amazon hides them. (incomplete)
/**
* Hypertext Transfer Protocol (HTTP) response status codes.
*
* @see {@link https://en.wikipedia.org/wiki/List_of_HTTP_status_codes}
*/
export enum HttpStatusCode {
/**
* The server has received the request headers and the client should proceed to send the request body
* (in the case of a request for which a body needs to be sent; for example, a POST request).
@thaJeztah
thaJeztah / a-do-a-run-run-a-do-a-run.md
Last active March 5, 2024 14:32
Silly experiments with `RUN --mount`

Silly experiments with RUN --mount

relates to moby/moby#32507, moby/buildkit#442

Doing some silly experimenting with RUN --mount:

# syntax=docker/dockerfile:1

FROM alpine AS stage1
@shortjared
shortjared / list.txt
Last active November 18, 2024 09:27
List of AWS Service Principals
a4b.amazonaws.com
access-analyzer.amazonaws.com
account.amazonaws.com
acm-pca.amazonaws.com
acm.amazonaws.com
airflow-env.amazonaws.com
airflow.amazonaws.com
alexa-appkit.amazon.com
alexa-connectedhome.amazon.com
amazonmq.amazonaws.com
@lummie
lummie / enum.go
Last active September 16, 2024 18:03
Golang Enum pattern that can be serialized to json
package enum_example
import (
"bytes"
"encoding/json"
)
// TaskState represents the state of task, moving through Created, Running then Finished or Errorred
type TaskState int
@tkrajina
tkrajina / unmarshal_interface.go
Last active October 29, 2024 03:30
Unmarshal JSON to specific interface implementation
package main
import (
"encoding/json"
"fmt"
"reflect"
)
type Something interface{}
@chranderson
chranderson / nvmCommands.js
Last active November 18, 2024 00:17
Useful NVM commands
// check version
node -v || node --version
// list locally installed versions of node
nvm ls
// list remove available versions of node
nvm ls-remote
// install specific version of node