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Here is a compiled list of terminology from learn app lessons – more will be up as I get time.

Association: A way to create relationships between models to more easily have them interact with one another.

Backbone collection: A group of backbone models, similar to a Javascript array, but more useful.

Cache: A cache is a component that transparently stores a request for data (for example, from a database) so that future requests for that same data can be served faster.

ERD: An entity-relationship diagram is a data modeling technique that creates a graphical representation of the entities, and the relationships between entities, within an information system.

Foreign key: A column within a database table that references the primary key of another table. In the `showtimes` table, `movie_id` would be the foreign key.

Join model: In Rails, a join model sits in between the two sides of a many-to-many relationship. In the example of `Doctor` and `Patient` models, an `Appointment` would represent the join model. Additional information can be stored on the join model.

Join table: A database table that contains the primary key fields from two or more other database tables within the same database. It is on the many side of a one-to-many relationship with each of the other tables.

Many-to-many: When one or more rows in a table are associated with one or more rows in another table.

Nested resource: A way to create resources that are children of other resources (e.g. showtimes as a child of the movie resource) so that they have better, more semantic URLs.

One-to-many: In relational databases, a one-to-many relationship occurs when a child record in one table stores a reference to a parent record in another table.

Primary key: A column that uniquely identifies a record within a database table. In Rails, this field is always `id`.

Ticket tracking system: A system for keeping track of necessary changes to a software system. Bugs and feature requests are logged to the ticket tracker.

Unit Tests: In the context of Rails, tests that ensure your model methods are returning the values you expect them to

Cookies: Small amounts of data that get saved in a user’s browser and get sent back to the server when the user returns to the website or app
Session: Information that gets saved between Rails requests and can be used for things like remembering which user is logged in at any given time. Usually stored in a cookie on the user’s machine.

Encryption:Encoding something to make it difficult to read. Used with things like passwords so that, even in the event of being stolen, they aren’t usable (at least easily)

Authentication:The process of logging in users to determine who they are.

Concatenate:When we “concatenate” our JavaScript files, we simply add them all together into one file – application.js.

Minify: To “minify” a JavaScript or CSS file is to make it as small as possible. One of the ways this is accomplished is by removing all white space. With asset files, every byte removed speeds up your pageload times.

Compress:This refers to making the files smaller by “zipping” them. By using the gzip compression format, a few more bytes are shaved off. Browsers are capable of downloading gzipped assets and decompressing them.

Ajax: A way to send asynchronous requests from a client to a server so as not to require a complete reload of the webpage

Asynchronous: To do things out of sync, i.e. sending requests at times other than page load

Data attribute: a way to store custom data on html tags for use with web applications

Deploy: To push your code up to a production server.precompiled (assets)When assets (SCSS, JavaScript, images) are compiled, concatenated, and minified before they are deployed, or during the process of deployment. This is the default for Rails production environments.

Live-compiled (assets): When assets are recompiled with each request to a server. This is the default for Rails development environments.

Stack trace: The list of files that shows the progression of code

Edge case: a problem or situation that occurs only when the parameters are especially extreme. Checkin for nil is an example of checking for an edge case.

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