You are 110% qualified to be a conference speaker because everyone has a perspective to share. Whether you have decades of experience or you’re just getting started in your field, your unique perspective is valuable to an audience.

Last weekend I tried to publish a blog post and embarked on a 2 and a half hour troubleshooting journey. What should have been a single button click ate my whole morning.

There are multiple different crafts, such as knitting, weaving, or crocheting, in which you could create a fabric. Regardless of which craft you choose, you want to do the same thing: create fabric. If we were to model that programmatically, we would take advantage of polymorphism.

Inheritance supports reusability in programming. To write an application that prints a plant's care instruction cards for the garden center, we can use inheritance to share the code that prints the instructions.

Using a remote control for your TV is an abstraction. You push a button and a thing happens. And you only have a few buttons to choose from.

The first principle of object-oriented programming is encapsulation. Encapsulation is when you "hide" an object's state from other objects.

If you're a big Harry Potter fan, you probably enjoyed the Triwizard Maze. When racing through the maze, the competitors were faced with decisions about which path to take. Modeling these choices can be done using a tree data structure.

Waiting in a line—or as the British call it, “queueing”—is a literal visualization of a queue data structure. The first person in line is the first person who gets whatever they’re waiting for and leaves the line.

When you fill a PEZ dispenser, you push the candy from the top down. When you eat the candy, you pop a piece off the top of the literal stack of pieces. A stack data structure behaves the same way.

Code challenges should be representative of the work a candidate will do for the role they are applying for. Rewriting code challenges to fit a role is a lot of work, but here's a step by step guide to simplify it.