heyaphra

import 'dart:math' as math;

import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/gestures.dart';

const double kTwoPi = 2 * math.pi;

class SectorConstraints extends Constraints {
  const SectorConstraints({

heyaphra

import unittest
from pagination import Pagination


class PaginationTest(unittest.TestCase):

    def test_start(self):
        p = Pagination(15, per_page=5, current_page=1)
        self.assertEqual(0, p.start)
        p.current_page = 2

heyaphra

import unittest
from pagination import Pagination


class PaginationTest(unittest.TestCase):

    def test_start(self):
        p = Pagination(15, per_page=5, current_page=1)
        self.assertEqual(0, p.start)
        p.current_page = 2

heyaphra

This is free and unencumbered software released into the public domain.

Anyone is free to copy, modify, publish, use, compile, sell, or
distribute this software, either in source code form or as a compiled
binary, for any purpose, commercial or non-commercial, and by any
means.

In jurisdictions that recognize copyright laws, the author or authors
of this software dedicate any and all copyright interest in the
software to the public domain. We make this dedication for the benefit

heyaphra

heyaphra

// pubsub/Subscriber.js

import { Component, cloneElement, Children } from "react";
import { publisher } from ".";

class Subscriber extends Component {
    state = { data: null };

    onMessage = msg => {
        this.setState({ data: msg.data });

heyaphra

// pubsub/subscribe.js

import React from "react";
import { Subscriber } from "./Subscriber";

export const subscribe = (Comp, topic) => {
  return (
    <Subscriber topic={topic}>
      <Comp />
    </Subscriber>

heyaphra

// pubsub/publisher.js

import EventEmitter from 'eventemitter3';

const eventEmitter = new EventEmitter();

const publisher = {
  subscribe: (event, fn) => eventEmitter.on(event, fn),
  unsubscribe: (event, fn) => eventEmitter.off(event, fn),
  send: (event, payload) => eventEmitter.emit(event, payload)

heyaphra

// components/MyComponent/index.js

import React from "react";
import { subscribe } from "../../pubsub";

export const MyComponent = props => subscribe(({ topic, data }) => {
    return <span>{data + " | "} {props.passedDownByProvider}</span>
}, props.topic);

heyaphra

// context/Provider.js

import React, { Component } from "react";
import io from "socket.io-client";
import { Context } from "./";
import { publisher } from "../pubsub";

const { REACT_APP_SOCKET_PORT: SOCKET_PORT } = process.env;
const SOCKET_HOST = window.location.hostname;