Luiz Fernando Sousa Camargo LFSCamargo

🕶️

Sunny Days Are Coming

Entrepeneur, Investor and Webmaster

LFSCamargo / Candlestick.sql

Created August 11, 2023 21:44

Candlestick

	WITH initial_price as (
	SELECT transaction_hash,
	index,
	blocks.number as block_number,
	blocks.timestamp as block_timestamp,
	sqrt_ratio as sqrt_ratio_after
	FROM initializations
	JOIN blocks ON initializations.block_number = blocks.number
	WHERE pool_key_hash = 3444297103257838275074422089987936420839083129914207634282919550416207684544
	),

LFSCamargo / offer.js

Last active August 2, 2019 20:42

creating the offer

	// Peer 1
	pc.createOffer(
	offer => {
	pc.setLocalDescription(
	offer,
	() => {
	// send the offer sdp to the other peer
	},
	e => console.log(e),
	)

LFSCamargo / display.js

Created June 22, 2019 18:51

	class DisplayStream extends React.Component {
	state = {
	localstream: null,
	}

	componentDidMount() {
	export const iceServers = [
	{ url: 'stun:stun.l.google.com:19302' },
	{ url: 'stun:stun01.sipphone.com' },
	{ url: 'stun:stun.ekiga.net' },

LFSCamargo / localstream.js

Last active June 21, 2019 22:41

	MediaStreamTrack.getSources((sourceInfos)) => {
	console.log('MediaStreamTrack.getSources', sourceInfos)
	let videoSourceId
	for (let i = 0; i < sourceInfos.length; i++) {
	const sourceInfo = sourceInfos[i]
	if (sourceInfo.kind === 'video' && sourceInfo.facing === 'front') {
	videoSourceId = sourceInfo.id
	}
	}
	getUserMedia(

LFSCamargo / initializing.js

Last active June 21, 2019 22:26

React Native and WebRTC

LFSCamargo / AnimatedGate.tsx

Created May 30, 2019 01:48

Animated Twitter LaunchScreen

	import * as React from 'react'
	import { Animated, Easing, StatusBar, MaskedViewIOS, View, ViewStyle } from 'react-native'
	import icons from '../../icons'
	import lightTheme from '../../config/theme'

	interface Props {
	bootstraped: boolean
	}

	const AnimatedGate: React.FunctionComponent<Props> = (props) => {

LFSCamargo / genetics.ts

Last active February 11, 2019 06:23

Generics example using flow or ts

	// Generics type & interface

	type HasGeneric<T> = {
	genericType: T,
	nonGenericType: string,
	arrayGeneric: Array<T>,
	}

	interface GenericsInterface<T> {
	genericType: T;

LFSCamargo / functions.ts

Created February 7, 2019 02:35

function types Typescript or flow

	// Function that executes a action and dont receive any params and returns void
	type ChangesSomething = () => void

	// Function that receives a string and returns a string
	type FormatName = (name: string) => string

	// Function that checks if a string is null and returns a boolean
	type CheckNull = (value: string) => boolean

	// Function that sums two numbers and returns a number

LFSCamargo / interface.ts

Last active February 6, 2019 21:05

Interface composition example

	interface User {
	username: string;
	email: string;
	password: string;
	}


	// So here we cant user the & operator after extends to compose types
	// So if you want to extend more than one interface or type you need to use type
	interface Compose extends User {

LFSCamargo / type.ts

Last active February 7, 2019 01:38

Type Composing example

	// working with pipes and type
	type Fruit = "orange" \| "banana" \| "strawberry";

	// working with types and functions
	type EatFruitFunction = (fruit: Fruit) => void;

	// typing objects using type
	type User = {
	username: string,
	email: string,