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Learn new skills, solve interesting challenges, and see how other community members approached and solved challenges.

Featured Courses

  • Learn to Code Beginner 0/72

    Learn to Code

    by Michael Choi, HackerHero

    4.7
    (123)person

    Learn how to use fundamental building blocks of programming, including how if/else statements, loops, functions, and variables work.

    Start
  • Basic Algorithm Intermediate 0/87

    Basic Algorithm

    by Michael Choi, HackerHero

    4.8
    (87)person

    Become a better coder by working on basic/intermediate algorithm challenges.

    Start
  • Adv. Algorithms & Data Structures Advanced 0/105

    Adv. Algorithms & Data Structures

    by Michael Choi, HackerHero

    4.8
    (16)person

    Get prepared for technical interviews by learning about recursions, SLL, DLL, Binary Search Tree, Hash Table, Tries, Graphs and etc.

    Start
  • Advanced Javascript (beta) Advanced 0/48

    Advanced Javascript (beta)

    by Michael Choi, HackerHero

    4.6
    (13)person

    Test your knowledge of advanced javascript. Solve challenges and see how others solved them.

    Start
  • System Design (beta) Advanced 0/0

    System Design (beta)

    by Michael Choi, HackerHero

    0
    (0)person

    Learn how to design a scalable system. Also, learn about micro-services, Docker, containerization, and cloud native technologies.

    Start
  • Games in Javascript Intermediate 0/0

    Games in Javascript

    by Michael Choi, HackerHero

    0
    (0)person

    Learn how to build real games from scratch using HTML, CSS, and Javascript. See how algorithms are used to build real applications!

Beta Courses

  • Learn Python 3 Beginner 0/90

    Learn Python 3 (Beta)

    by Michael Choi, HackerHero

    Learn Python 3, one of the most popular programming languages now.

    4.8
    (10)person
    Start