History & Fundamentals
Functions that are often utilized as callbacks.
What are anonymous functions?
HTTP stands for this.
What is Hypertext Transfer Protocol?
An example of an ORM used with NoSQL.
What is Mongoose?
An application with a single HTML page which uses client-side rendering.
What is a SPA?
The error that will display when the mongoose connection isn't valid.
What is "mongodb errconnection refused"?
An extension of Javascript promises which allows code to be written as if it were synchronous.
What is async/await?
It travels over the network from the server to the client.
What is a response?
A table field that corresponds to the id field from a related table.
What is a foreign key?
A special string attribute you need to include when creating arrays of elements.
What is a key?
What displays when rendering an object that needed more prop drilling.
What is "[Object object]"?
The ECMAScript version which introduced arrow functions, template literals, and new variable declarations.
What is ES6?
The Javascript method which returns JSON or XML data from the server.
What is "fetch"?
The command to restart a mongoose connection.
What is sudo service mongodb restart?
Data can only move in one path when being transferred between different parts of the program.
What is uni-directional data flow?
"Refused to apply style because it's MIME type ('text/html') is not a supported stylesheet MIME type, and strict MIME checking is enabled".
What will happen if the css link content type is ('text/html')?
A tool written by another developer that helps manage dependencies in a project.
What is a package manager?
A promise-based HTTP client for node.js and the browser.
What is axios?
Row is to document, as table is to ____.
What is a collection?
An input form element whose value is controlled by React.
What is a controlled component?
The error that will display if you try to directly render an object, or a collection without using the .map() method.
What is "Object is not a valid child of react component"?
"foo", "bar", "baz" (and the lesser known "taco") are common examples for this type of variable.
What is a metasyntactic variable?
The HTTP verb used to modify, not replace, existing information.
What is "PATCH"?
A schema embedded within another Mongoose schema.
What is a subdocument?
The hook which tracks state in a classless component.
What is useState?
"CORS request external redirect not allowed"
What will happen if your app redirects to a URL of a different origin during a CORS request?