CS50

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Index

Includes links to lectures and shorts.

Week 0 - Starting from Scratch

• First concepts

Week 1 - C

• Introduction to C
• Data types
• Operators
• Conditional Statements
• Loops
• Command line
• Magic numbers

Week 2 - Arrays

• Compiling
• Compiling steps
• Command line arguments
• Debugging (1, 2)
• Data types in C
• Functions
• Variables and scope
• Arrays

Week 3 - Algorithms

• Algorithms
• Running time
• Linear search
• Binary search
• Asymptotic notation
• Recursion
• Data structures
• Sorting
  • Selection sort
  • Bubble sort
  • Merge sort
• Call Stacks

Week 4 - Memory

• Pointers
  • Hexadecimal notation
• New operators
• Pointer arithmetic
• Strings are not a thing in C
• Dynamic memory allocation
  • Functions to allocate memory
• valgrind
• Passing by value vs. Passing by reference
• Buffer overflows
• file I/O (file input and output)
• Defining custom types
• Call Stacks
• File pointers

Week 5 - Data Structures

• Structures
• Abstract data types
  • Queues, FIFO
  • Stacks, LIFO
• Data structures
  • Linked lists
    • Sigly-Linked Lists
    • Doubly-Linked Lists
  • Trees
    • Binary search trees
  • Dictionaries
  • Hashing and Hash Tables
  • Tries

Week 6 - Python

• Python
• Libraries (modules and packages)
• Positional parameters vs Named parameters
• Python data types
• Python data structures
• Input function
• Conditionals
• OOP - Object-Oriented Programming & Methods
• Loops
• Truncation
• Exceptions
• Lists and dictionaries
• Command line arguments

Week 7 - SQL

• CSV docs, Comma Separated Values
• Relational databases
• SQL, Structured Query Language
• SQL Keywords
• sqlite Data types
  • Keywords for data types
• JOIN
• Indexes
  • B-trees
• Race conditions
• SQL Injection attacks

Week 8 - HTML, CSS, JavaScript

• Internet
  • Routers
  • TCP / IP
  • DNS
  • DHCP
  • HTTP / HTTPS
• HTML
  • regexes - Regular expressions
• CSS
  • Frameworks
• JavaScript
  • Conditionals
  • Variables
  • Loops
• DOM, Document Object Model

Week 9 - Flask

• Flask
• HTML into Flask
• Placeholders
• Forms
• Jinja
• POST request method
• Server site validation
• Using SQL and Databases with Flask
• Cookies, sessions, log-in, shopping carts
• API, Application Programming Interface
  • JSON, JavaScript Object Notation
• AJAX

Week 10 - The End

• Visual Studio Code
• Other Depeloper tools
• Git
• Hosting a static website
• Host a web app
• Ask questions
• Read news