When writhing formulas in Excel always start with = sign, then open parentheses ( ), inside parentheses are cell range A1 or C3 as an example, divided by : column.
First let’s build a table, Excel has amazing futures.
You can see only by writhing the first month and dragging the column down, Excel knows to populate the cells with remaining months.
Rails scaffolding is a command that creates controllers, model, views, routing, database migration, and some css.
Here is an example, let’s create a category table.
$ rails generate scaffold category
One simple command created a full chain of folders and files.
DB folder looks like that
Let’s get started! Will create a new app with React framework and our DB will be hosted by Firebase. Firebase is platform created by Google and and is Google-backend application development software.
Follow the steps to create a new Firebase project
2. In the terminal create the new app in react
$ npx create-react-app twitter-clone
$ rails g migration [tableNames]
This command creates table. In db folder is generated a new table and it looks like this…
$ rails new [name]
rails new [name] - creates a new project
$ cd [name]
cd [name] -change directory to in to the project
$ code .
code . -opening up the code editor
$ rails g User resource username email password_digest uid provider
New created table you can find it in db folder, rails g resource User username email password_digest uid provider -this command will generate our User table
$ rake db:migrate
When running rake db:migrate we have to see the following in your terminal
Git is the most popular version control system in the world that records the changes in our code over time. With Version Control System we can truck our code history and also work together. There are two categories of VCS, Centralized and Distributed.
GitHub new repository
4. Create a project in any frame or language, I choose react as an example..
npx create-react-app [name of project]
Instructor: Dakota Lee Martinez
Connect is a higher order component, a parent that wrapping the class component, that passes two functions along, MapStateToProps() and MapDispatchToProps(). The main purpose of this to function, is to add the props in to class based component that is wrapped by connect.