Software Development
Software engineering tutorials, guides, and best practices
OOP Questions You Should Master for Technical Interviews
Many programmers lose interviews not because they can't code, but because they can't clearly explain concepts they use every day. This guide covers the most common OOP interview questions.
Yeison Lapaix·May 27, 2026·12 min read
How to Pass Data Between Two Child Components in Angular
Learn three techniques for passing data between child components in Angular: @Input/@Output, shared services with BehaviorSubject, and an Event Bus pattern.
Yeison Lapaix·Oct 20, 2024·5 min read
How to Solve the 'Cannot Read Property of Undefined' Error in Angular
Learn why the TypeError: Cannot Read Property of Undefined occurs in Angular and how to fix it using safe navigation, ngIf, and proper lifecycle management.
Yeison Lapaix·Oct 1, 2024·4 min read
Step by Step: Connect to WordPress Using C#
Learn how to connect to a WordPress website using C# and the WordPressPCL library -- covering JWT setup, NuGet installation, and code examples for creating and querying posts.
Yeison Lapaix·Jan 5, 2024·4 min read