Programming basics for vibe coders

When you vibe code, the AI writes the code and you direct it. Learn enough programming here to ask for the right thing, judge what comes back, and explain your work in the interview when you want the job.

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Python

From the basics to testing, async code and data classes.

JavaScript

Closures, prototypes, async code, modules and TypeScript.

System Design

Patterns and architecture practices for systems that have to scale.

How-to Guides

Step-by-step answers to common engineering tasks.

Prepare for interviews

All interview guides

Is LeetCode Still Worth It in 2026?

Is LeetCode still worth practicing when coding interviews allow AI? How to decide what to study, practice algorithms and prepare for the other rounds.

How to Prepare for an AI-Assisted Coding Interview

Some companies now let you use AI in the coding interview. What the round looks like, what interviewers evaluate, and how to practice for it.

Tell Me About a Time You Failed: How Software Engineers Should Answer

How to pick the right failure, structure the story and handle the follow-up questions, with two sample answers for software engineers.

Questions to Ask Your Interviewer as a Software Engineer

Good questions to ask at the end of a software engineering interview, grouped by who is interviewing you, and the questions to avoid.

Tell Me About Yourself: Sample Answers for Software Engineers

A simple structure for answering "Tell me about yourself" in a software engineering interview, with sample answers for new grads, mid-level and senior engineers.

How to Explain Your Project in an Interview

How software engineers should choose a project, explain it in two minutes and answer the follow-up questions, with a full example.