Technology
15 min read
What data structures and algorithms are, why employers test them, what you can honestly expect from this free 28-article course, and the repeatable six-step loop you will use on every problem.
CourseTechnology
3 min read
A free, 28-article course that takes you from basic problem solving to independently approaching common interview problems in Java. It explains each idea first, shows it in code you can run, and ends with exercises, solutions, an interview workflow and a study plan.
Technology
5 min read
SQL is the language for asking questions of data, and it is one of the most useful skills to learn. This guide walks through SELECT, WHERE, GROUP BY, JOIN and more, with a small example database.
Technology
5 min read
Python is the most common first language, but most beginners get stuck in tutorials. This roadmap shows what to learn in order, which projects to build, and how to go from basics to a job-ready skill.
Technology
6 min read
If AI can write a working function in seconds, is learning to code still worth it? Yes, but the way you learn needs to change. A practical roadmap for beginners in 2026.
Technology
5 min read
DSA is the most feared part of software interviews. The fear mostly comes from learning it badly. Here is a calm, pattern-based way to learn it, with a topic order, daily habits and ways to retain what you solve.
Technology
7 min read
Random changes and hopeful refreshes waste hours. This is a step-by-step debugging process that works in any language: reproduce, narrow down, form a hypothesis, test it, then fix the cause.
Technology
5 min read
Git looks scary because of its long command list. In daily work you use about ten of them. This guide explains the idea behind Git, then walks through the everyday workflow, branches, and how to undo mistakes.
Technology
6 min read
'It works on my machine' is one of software's oldest problems. Docker fixes it by packaging an app with everything it needs. Here is how containers work and how to run your first one.
Technology
5 min read
A data analyst turns raw data into answers that help a business decide. Here is the realistic path: Excel, SQL, a BI tool, some Python, portfolio projects, a resume and interview preparation.
Technology
5 min read
The cloud is not a mystery. It is someone else's computers that you rent by the hour. Here is what that means: IaaS, PaaS, SaaS, regions, pricing and how to start without a surprise bill.
