what are the advantages of a single store? — easy to create universal apps, easier to debug, faster development cycle.

why JSX?

can you have more than one root dom nodes?

How do you render an element into the dom?

Are React elements mutable?

There are two ways of defining a component: as a function and as a ...

What is the advantage of a class component over a functional component?

How do you add local state to a class?

why are lifecycle hooks important?

Does redux work only with react?

Core concepts: actions reducers

what's an action for redux?

What's the purpose of a reducer?

what are the 2 params passed to a reducer?

How is Redux different from Flux?

advantage of immutability in Redux?

Redux architecture revolves around a strict unidirectional data flow.

Data lifecycle: 1. You call store.dispatch(action) 2. Redux store calls the reducer function 3. combine output of multiple reducer into on single state tree 4. Redux store returns the complete state tree (returned by the root reducer)

Ex with a combineReducers() function todos(state = [], action) { // Somehow calculate it... return nextState } ​ function visibleTodoFilter(state = 'SHOW_ALL', action) { // Somehow calculate it... return nextState } ​ let todoApp = combineReducers({ todos, visibleTodoFilter })

React bindings for Redux embrace the idea of separating presentational and container components.

Container Components: How things work (data fetching, state updates) Dispatch Redux actions Are usually generated by React Redux

Presentational Components How things look (markup, styles) Invoke callbacks from props to change data Are written by hand

You could write a container component by hand, but we suggest instead generating container components with the React Redux library's connect() function, which provides many useful optimizations to prevent unnecessary re-renders.

To use connect(), you need to define a special function called mapStateToProps that tells how to transform the current Redux store state into the props you want to pass to a presentational component you are wrapping.

In addition to reading the state, container components can dispatch actions. In a similar fashion, you can define a function called mapDispatchToProps() that receives the dispatch() method and returns callback props that you want to inject into the presentational component.

Connecting react and redux: import { connect } from 'react-redux' ​ const VisibleTodoList = connect( mapStateToProps, mapDispatchToProps )(TodoList) ​ export default VisibleTodoList

Redux component <Provider> : is used to magically make the store available to all container components in the application without passing it explicitly. You only need to use it once when you render the root component:

How do you use <provider> ?

I love the idea that I have the power to look for the projects I can put myself into, but I'm still at that level of just being happy to have a job.

I started by hacking around the back yard in Richmond.

I'm still a fiscal conservative, and I'm inclined to pay down debt.

I travel fairly lightly because you have to these days. I always take a laptop and an iPod so I can watch movies and listen to music. And my Gameboy. That's a good time-killer.

Earth, Wind & Fire was something new. I wanted to bring something innovative to the music. It was out of a desire to create excitement with music that was pleasurable to play and listen to.

The racism of the Nazis threatened to make whatever we had experienced look like child's play. If they could be so brutal to the Jews, what would they do to the blacks? So large numbers of black young men and women rallied to the defence of the empire.

Why can I write 'South' with some assurance that you'll know I mean Richmond and don't mean Phoenix? What is it that the South's boundaries enclose?

I want to be a playwright the way people are bank tellers. I want to keep doing it and have it go steadily and smoothly.

Children that have been petted and waited upon, always expect it; and if their expectations are not met, they are disappointed and discouraged. This same disposition will be seen through their whole lives, and they will be helpless, leaning upon others for aid, expecting others to favor them and yield to them.

It is justice and respect that I want the world to dust off and put - without delay, and with tenderness - back on the head of the Palestinian child. It will be imperfect justice and respect because the injustice and disrespect have been so severe. But I believe we are right to try.

I respect the police officers, but something you learn as a young black man in this country is that... life is a little bit different for you even though, on the surface, it seems to be the same.

The gun issue is a big, unresolved issue in this country right now. I think it's out of control.

It's interesting because I don't ever want to ask a better question than I can answer, if that makes sense. I find that frustrating as a viewer. Compelling questions, while not easy, are easier than compelling answers.

I guess I don't believe that death is the end.

Laziness is nothing more than the habit of resting before you get tired.

While our nation's attention is rightly focused on the Middle East, the North Korean threat has grown exponentially, while there seems to be a falling asleep, so to speak, at the switch when it comes to North Korea.

The politician and the government expert receive their revenues, not from service voluntarily purchased on the market, but from a compulsory levy on the populace. These officials, therefore, wholly lack the pecuniary incentive to care about serving the public properly and competently.

If you look at the statistics, people spend most of their time in the kitchen. Aside from the backyard, it's one of my favorite places to renovate.

A wedding ring is sort of a tourniquet worn on one's finger to stop circulation

If you would convince a man that he does wrong, do right. Men will believe what they see.

So much sadness exists in the world that we are all under obligation to contribute as much joy as lies within our powers.