John Marhefka
John Marhefka
member
Achievements
Grandmaster: Milestone
Complete 960 exercises
Jan 21, 2025
Grandmaster: Sharpshooter
Complete 28 sharpshooter sprees
Aug 23, 2024
Grandmaster: Streak
Study consistently for 144 days
Oct 22, 2024
Diamond: Boss
Defeat 5 bosses
May 18, 2025
Gold: Fellowship
Earn 1024 karma in the discord
Jun 5, 2025
Bronze: Bannerlord
Recruit 1 friend who becomes a Pupil
Feb 23, 2025
14 Courses Completed
Learn to Code in Python
Jun 9, 2024
Learn SQL
Aug 24, 2024
Learn Object Oriented Programming in Python
Jul 1, 2024
Learn Memory Management in C
Jan 21, 2025
Learn Linux
Jun 13, 2024
Learn HTTP Servers in Go
May 21, 2025
Learn HTTP Clients in Go
Mar 16, 2025
Learn Go
Mar 9, 2025
Learn Git
Jun 18, 2024
Learn Functional Programming in Python
Aug 13, 2024
Learn File Servers and CDNs with S3 and CloudFront
Jun 18, 2025
Learn Docker
Jun 19, 2025
Learn Data Structures and Algorithms in Python
Nov 29, 2024
Learn CI/CD with GitHub Actions, Docker and Go
Jul 2, 2025
7 Projects Completed
Jun 4, 2025
First Personal Project:
Build a personal project on your own, completely from scratch, then submit ...
Dec 24, 2024
Build a Static Site Generator in Python:
Build a static site generator from scratch, similar to Jekyll, Hugo, or Gat...
Apr 14, 2025
Build a Pokedex in Go:
Build a REPL pokedex on the command line in Go. Learn how to use JSON, make...
Dec 31, 2024
Build a Maze Solver in Python:
Build a visual interface that draws, solves, and animates a maze in Python....
Jun 23, 2024
Build a Bookbot in Python:
Build your first local command-line application in Python and use the real ...
May 6, 2025
Build a Blog Aggregator in Go:
Build a blog aggregator microservice in Go. Put your API, database, and web...
Sep 5, 2024
Build Asteroids using Python and Pygame:
Build a clone of the classic Asteroids game using Pygame and object-oriente...