Topics

• Arrays
• Intent
• Getting started with JavaScript
• Getting started with Python Language
• List comprehensions
• Getting started with Django
• Getting started with C++
• List
• Functions
• Ignoring Files and Folders
• Map Function
• Dictionary
• Incompatibilities moving from Python 2 to Python 3
• Models
• Tuple
• Conditionals
• Administration
• ArrayField - a PostgreSQL-specific field
• JSONField - a PostgreSQL specific field
• Exceptions
• RangeFields - a group of PostgreSQL specific fields
• Mapping strings to strings with HStoreField - a PostgreSQL specific field
• Deployment
• List Comprehensions
• How to use Django with Cookiecutter?

Examples

• Creating and Initializing Arrays
• Getting a result from another Activity
• Using console.log()
• Getting Started
• List Comprehensions
• Dictionary Comprehensions
• Starting a Project
• Basic use of map, itertools.imap and future_builtins.map
• Conditional List Comprehensions
• Hello World
• Accessing list values
• Ignoring files and directories with a .gitignore file
• Defining a function with an arbitrary number of arguments
• Avoid repetitive and expensive operations using conditional clause
• Creating variables and assigning values
• Integer Division
• Reduce is no longer a built-in
• Unpacking Iterables
• Datatypes
• Tuples are immutable
• if, elif, and else
• Conditional Expression (or "The Ternary Operator")
• Block Indentation
• Checking if list is empty
• Tuple Are Element-wise Hashable and Equatable
• Additional CSS styles and JS scripts for admin page
• A basic ArrayField
• Specifying the maximum size of an ArrayField
• Querying for membership of ArrayField with contains
• Nesting ArrayFields
• Querying for all models who contain any item in a list with contained_by
• Creating a JSONField
• Creating an object with data in a JSONField
• Querying top-level data
• Querying data nested in dictionaries
• Querying data present in arrays
• Creating custom exception types
• The trailing comma
• Including numeric range fields in your model
• Setting up for RangeField
• Creating models with numeric range fields
• Using contains
• Using contained_by
• Using overlap
• Using None to signify no upper bound
• Setting up HStoreField
• Adding HStoreField to your model
• Creating a new model instance
• Performing key lookups
• Using contains
• Deploying with Heroku
• Adding a string representation of a model
• Installing and setting up django project using Cookiecutter