IT Career Guides & Free Resources
Expert roadmaps, tutorials, salary guides and interview prep across Data Science, Generative AI, Python, Cloud & Analytics — written by GloryTecks trainers in Hyderabad.
Featured Guides
Data Science Roadmap 2026: A Complete Step-by-Step Guide
A data science roadmap in dependency order, from Python and SQL through cleaning, statistics and honest model evaluation to communicating results, with an exit test at every stage and one dataset that carries through the whole path.
What Is Generative AI? A Complete Beginner's Guide
What generative AI is, in plain language: how language models produce text one token at a time (shown with a tiny runnable model), how chat models are trained, how image models differ, what the technology is reliable for, and why it confabulates.
Learn Python from Scratch: A Complete 2026 Roadmap
How to learn Python from zero: install a current version (including the new Windows install manager), then work through seven stages, from values and loops to files, virtual environments, classes and tests, each ending with a small program you should be able to write on your own.
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Power BI Interview Questions with Detailed Answers
Many Power BI interviews include a take-home or live case study: here is data, build a model and a report that answer a few questions. This guide works through a realistic task on two years of bike-sharing data, with the star schema, the DAX measures, the answers checked independently, and how reviewers judge it.
Object-Oriented Programming (OOP) in Python Explained
Object-oriented Python learned by building one small system, a shopping cart with discount rules: classes and instances, the shared-list bug, properties that protect invariants, special methods, abstract base classes, composition over inheritance, and dataclasses for plain data.
Model Context Protocol (MCP) Explained for Beginners
MCP is an open standard for connecting AI applications to tools and data. Instead of writing a custom integration for every assistant, you write one server and any compatible application can use it. This guide explains the parts and runs a real server and client, so you can see exactly what passes between them.
Data Modeling in Power BI: Star Schema Explained
Star schema modelling for Power BI: what fact and dimension tables are, why visuals query them efficiently, and a real 541,909-row flat export turned into a star, exposing the problems that break relationships, from non-unique keys to missing members, plus date tables, explicit measures and related design patterns.
Data Analyst Salary in Hyderabad 2026: What Moves an Analyst's Pay
Analyst pay varies more than most people expect, and two things the analyst controls stand out in real 2025 survey data: whether they code, and which industry they work in. This guide shows both, compared fairly with same-experience peers, and explains what it means for analysts in Hyderabad.
Production ML Systems: Architecture and Best Practices
In a production machine learning system the model is the smallest part. This guide maps the components around it, compares the three serving patterns, explains the ML-specific technical debt that architecture has to contain, and sets out the practices that keep a system maintainable as it grows.