Building

Goto and Labels

Understand how batch scripts use labels and the goto command to jump execution, build subroutines with call, and structure menu-driven scripts.

Custom Controls and User Controls

Compare WPF's two approaches to building reusable controls — lightweight, composition-based UserControl versus fully templatable, lookless custom Control.

MVVM in .NET MAUI

How the MVVM pattern is applied in .NET MAUI using CommunityToolkit.Mvvm, XAML data binding, Shell navigation, and dependency injection to build cross-platform…

What Is LINQ?

LINQ (Language Integrated Query) is a set of C# language and .NET library features that let you write strongly-typed queries against in-memory collections, dat…

CI/CD for .NET Apps

How to build automated build, test, and deployment pipelines for .NET applications using GitHub Actions, the dotnet CLI, and containerized deployments.

Worker Services

Learn how to build long-running background processes in .NET using the Worker Service template, BackgroundService, and the generic host.

User Controls

Learn how ASP.NET Web Forms user controls (.ascx) let you package reusable markup and code-behind logic into components shared across pages.

Teams App Best Practices

Practical guidelines for building performant, secure, and visually consistent Microsoft Teams applications that hold up in production.

Component Libraries

Build reusable canvas app components and publish them as component libraries shared across multiple apps.

Your First Razor Component

A hands-on walkthrough of creating, parameterizing, and wiring events into a basic Blazor component.

Test Fixtures and Factories

Learn how to build reusable test fixtures and factory functions to generate consistent, customizable test data across a Jest suite.

Making Your First Request

A step-by-step walkthrough of building and sending your first GET request in Postman, reading the response, and saving the request for reuse.

Building a Load Test Suite for an API

How to structure a maintainable, CI-integrated JMeter load test suite for a REST API, from scenario design through assertions and pipeline automation.

Building an E2E Test Suite for a Real App

A practical walkthrough of planning, structuring, and running a Playwright end-to-end test suite for a production application, from config to CI.

Building an Automation Framework from Scratch

A practical blueprint for structuring a Selenium test automation framework — page objects, driver management, reporting, and parallel execution — from the grou…

Building an E2E Test Suite for a Real App

A step-by-step approach to designing, implementing, and running a Cypress end-to-end test suite for a realistic e-commerce-style application.

Building an ETL Pipeline with Spark

A practical guide to designing extract, transform, and load stages in Spark, from schema-safe ingestion to atomic loads.

Building a Real-Time Analytics Pipeline

A practical walkthrough of building a Kafka-to-Flink-to-sink pipeline that powers a live analytics dashboard.

Building a Word Count Job

A hands-on walkthrough of writing, compiling, and running the canonical Hadoop MapReduce word count program from mapper to driver.

Building a Data Warehouse Schema

How to design a layered, star-schema Snowflake warehouse with correctly-chosen grain, slowly changing dimensions, and incremental loading.

Building an ETL DAG

A hands-on walkthrough of designing and implementing a complete Extract-Transform-Load pipeline as an Airflow DAG, including failure handling and local testing.

Building a Star Schema with dbt

How to design fact and dimension tables in dbt using surrogate keys, explicit grain, incremental materialization, and referential-integrity tests.

Building an Automation Script

A walkthrough of designing a real PowerShell automation script end to end, from parameters to scheduled execution.

Building a Sales Dashboard

A step-by-step walkthrough of designing, modeling, and publishing a real-world Power BI sales dashboard.