bhstahl

import { Component } from "React";

export var Enhance = ComposedComponent => class extends Component {
  constructor() {
    this.state = { data: null };
  }
  componentDidMount() {
    this.setState({ data: 'Hello' });
  }
  render() {

bhstahl

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

bhstahl

# tested with celery[redis]==3.1.17

# to run with default configuration -- tasks will take 14 seconds to complete the 20 tasks in start_all() below

celery worker -A cluster_project.celery_app -Q tester -lINFO --concurrency=4

# to run with -Ofair -- tasks will take 10 seconds to complete

celery worker -A cluster_project.celery_app -Q tester -lINFO --concurrency=4 -Ofair

bhstahl

#import <UIKit/UIKit.h>
#import <ImageIO/ImageIO.h>
#import <MobileCoreServices/MobileCoreServices.h>

static UIImage *frameImage(CGSize size, CGFloat radians) {
    UIGraphicsBeginImageContextWithOptions(size, YES, 1); {
        [[UIColor whiteColor] setFill];
        UIRectFill(CGRectInfinite);
        CGContextRef gc = UIGraphicsGetCurrentContext();
        CGContextTranslateCTM(gc, size.width / 2, size.height / 2);