Month February 2026

So what’s the difference between combobox, multiselect, listbox, and dropdown? While all these UI components might appear similar, they serve different purposes. The choice often comes down to the number of available options and their visibility. Let’s see how they…

Have you imagined that in a search system, you are searching for “Best places for a day-long tour?” and immediately you get results like: Good spot for one day tour with family and friends Places to visit within a short…

You’ve built a scraper to track a competitor’s pricing. You’re using high-quality residential proxies, you’re rotating User-Agents, and your logic is sound. For the first week, the data flows perfectly. Then, suddenly, the walls go up. You start seeing 403…

Users most often break networking by treating public IP subnets as if they behave like the local area networks in their homes or near-production environments. This usually shows up as bridged interfaces, virtual machines assigned public IPs directly, or expectations…

How I Optimized My /leaderboard API from 200ms to 20ms Using Redis Performance issues don’t usually scream at you. They whisper. My /leaderboard endpoint was one of those whispers. It worked. It returned the top 10 players correctly. But under…

App launch time is your first impression. If your app takes more than 2–3 seconds to open, users notice. If it takes 5+, they leave. We recently faced this exact problem on one of our production iOS apps. Cold launch…

Hi! Already coming to KotlinConf in Munich? Kick off the conference with a full day of hands-on workshops on May 20. Not going yet? Then this is a good moment to get your KotlinConf ticket and start with a workshop…

Beyond compliance: what the Cyber Resilience Act means for software trust As the Cyber Resilience Act (CRA) moves closer to enforcement, engineering teams across Europe are being asked to demonstrate secure development practices, software supply chain transparency, and improved vulnerability…

From tested to “trustable”: Rethinking software assurance at OCX 2026 In the past year, several high-profile outages disrupted airports, cloud platforms, and critical digital services worldwide. In each case, the software involved had been tested, certified, and deployed in accordance…

Rapid Deployment of Phishing Pattern Detection with Docker Under Tight Deadlines In the fast-paced environment of cybersecurity, timely detection of phishing patterns is critical. As a Senior Architect, I recently faced a scenario where I needed to implement an effective…

Introducción: El Dilema del Código Antiguo Trabajar con sistemas legacy se siente frustrante y limitado. El código que antes funcionaba ahora es una barrera para la innovación, y las soluciones actuales a menudo se perciben como parches temporales. La realidad…

Docker для фронтенд- и бэк-разработчиков: практический гайд без DevOps-магии Docker — это не «магия для DevOps», а нормальный инженерный инструмент, который решает очень приземлённую проблему: один и тот же проект должен одинаково запускаться локально, у коллеги и на сервере. Если…

Moving data between systems sounds simple – until it isn’t. As applications grow, teams quickly realize that copying data from one database to another reliably is much harder than it looks. Updates get missed, deletes are hard to track, and…

TL;DR: The Kotlin Foundation is launching a mentorship program that pairs experienced open-source maintainers with new Kotlin contributors to help them make their first meaningful contributions, with branded swag and a chance to win a trip to KotlinConf. I still…

Setting up GitHub SSH on Windows 11 doesn’t have to be painful. Whether you’re using Git Bash or PowerShell, working with one GitHub account or juggling multiple accounts (personal + office), this guide will get you set up with zero…