Flask Flashcards
Web App
Application software that runs on a web server. –Dynamic site, web site, site, app
End-user
The person who actually uses a particular product. –User, client, customer
Front-end
A part of the system concerned with dealing with user interaction. –“frontend,” “front end,” presentation layer
Back-end
A part of the system concerned with running application logic and storing application data. –“backend,” “back end,” data access layer
Web APIs
Software built to translate messages between a user (often another program) and a web server. –web Application programming interface
Client
Within the client-server model, a computer who sends a request for a resource to a server, and receives back a response
Server
Within the client-server model, a computer who receives requests for a resource from a client, and sends back a response
Web Server
Within the client-server model, a server that is specifically connected to a client over the web
HTTP
A specific protocol that determines how a clients and web servers communicate
Sending a request
The act of sending an HTTP request from a client to a server –Calling an API, making a request, requesting
Endpoint
Another name for the “path” of a resource, usually in the context of an API–Path, request URL, route
HTTP Method(HTTP verbs)
A word that describes the operation that the client wants to perform. The request method implies the nature of the request, whether it’s fetching a resource, sending new information, or something else. – required
Path (or request URL)
The URL that the requested resource is located at. Depending on context, this may include parts of the URL such as http://, adadevelopersacademy.org/, or not. – required
Query Parameters
Key-value pairs that describe information that can make this request more specific. Query params ultimately affect and become part of the request URL. –no required
HTTP Headers
Colon-separated pairs of information to describe additional details that the server may need. –no required
HTTP Body
Additional resources that need to be sent to the server. – no required
Status Code
A number that indicates if a request was successful or unsuccessful, and why.–required
Status Message
A description attached to the status code – required
The requests package
A Python package. The package defines methods whose responsibility is to make HTTP requests and receive HTTP responses.
REST
An architecture style for applications and APIs that uses the HTTP protocol and uses client-server architecture
Uniform Interface
A REST design principle that that prefers reliable and predictable endpoints, and doesn’t prefer custom endpoints
CRUD
Create, Read, Update, Delete.” An acronym that describes the four basic operations to work with saved resources
Model
A representation of a single concept relevant to the application. The model defines the state and behavior for that concept. –Data model, resource, entity, domain model
Database Migration
When working with relational databases, a representation of a change in a database’s schema. Migrations must be created and then applied to databases
Deployment
The process of making software available to be used
