What Is an SSL Certificate? Why HTTPS Matters for Website Security
What an SSL certificate is, how HTTPS works, DV vs OV vs EV, free certificates, shorter lifetimes, HTTPS migration, mixed content, HSTS and a checklist.
Software
Articles on custom software, CRM, e-commerce platforms, integrations and SaaS products.
174 posts
Android (Kotlin) Interview Questions and Answers: A Prep Guide for Mobile Developers
The Android interview questions that come up most, on Kotlin, coroutines, Flow, Jetpack Compose and core components, with answers, code samples and a four-week plan.
iOS (Swift) Developer Interview Questions: The Topics That Come Up Most
The topics that come up most in Swift, SwiftUI and UIKit interviews: optionals, ARC, state management, lifecycles and Swift Concurrency, with short answers and code.
Golang Interview Questions: Concurrency, Goroutines and Channels
Go interview questions grouped by goroutines, channels, select, sync and context, with answers, short code samples and a two week prep plan.
Top C# and .NET Interview Questions with Answers
The C# and .NET interview questions I ask most as a hiring manager, what interviewers really listen for, and short answers topic by topic.
SQL Interview Questions: The Query Scenarios You Will Actually Face
The SQL query scenarios interviewers ask most, with working solutions and the traps they hope you miss: joins, window functions, NULLs, indexes and transactions.
Java and Spring Boot Interview Questions for Junior and Mid-Level Developers
Java and Spring Boot interview questions grouped by level: core Java, DI, REST, transactions, N+1, concurrency, security and testing, with short, clear answers from a hiring perspective.
React and Modern JavaScript Interview Questions: How to Prepare for Technical Interviews
React and modern JavaScript interview questions grouped by topic, from closures and the event loop to hooks, state management and React 19, with answers and code.
50 Most Common Python Interview Questions With Detailed Answers
The 50 most common Python interview questions grouped by topic: basics, data structures, OOP, generators, decorators, the GIL and performance. Short answers with code samples.
Best Coding Practice Platforms for Developers: LeetCode, Codewars, Exercism and More
I compare LeetCode, HackerRank, Codewars, Exercism and Advent of Code by goal, with a weekly practice plan and the mistakes that waste the most time.