Intermediate Lessons

How to insert list items at a specific index in Python

What's the difference between call vs apply in JavaScript?

Did you know - Harvard's CS50 isn't just a coding course. There are many variants...

Need some coding experience? Contribute to Open Source.

Have you ever tried rubber duck debugging?

The JavaScript ecosystem is huge - and Vue's founder, Evan You, is trying to simplify it

JavaScript coercion chaos at its finest

Why it's important to take ownership of your work - the way Dr. David J Malan sees it

The RACECAR challenge - Ready: GO!

Browsers fight over who renders HTML the best. Which one do you think usually wins?

Did you know that HTML doesn't care about mistakes?

What's CS50's 72-hour Regret Clause? Dr. David J. Malan explains here.

Candy cane conditional: everyone gets a candy cane only once the tree is decorated...

Which elf gets the candy cane?

Take ownership. Advocate for yourself. Get to know the support team.

How to remove trailing characters from a Python string using the .rstrip() method

What happens when you spread a string in JavaScript?

How to check if a string only contains whitespace in Python

Don't chase a path that looks good just because you feel like you're supposed to

How to use the .append() method in Python

Event loop race: which one logs first?

How to use the .title() method in Python

Array vs object gotcha in JavaScript

How to use the .swapcase() method in Python