Why Your Code Isn't as Performant as You Think (And How to Stop Fooling Yourself)

Why Your Code Isn't as Performant as You Think (And How to Stop Fooling Yourself)

Picture this: you’ve just crafted what feels like the Mona Lisa of algorithms. It’s elegant, it’s clean, and it passes all the tests. You deploy it with the confidence of a SpaceX engineer… only to watch your monitoring dashboards light up like a Christmas tree. What went wrong? Let’s peel back the layers of our collective self-delusion. The Confidence-Competence Chasm (Where Dreams Meet Flame Graphs) We’ve all been there - that moment when you realize your “optimized” code runs slower than a sloth on melatonin....

April 1, 2025 · 4 min · 669 words · Maxim Zhirnov
How Code Reviews Became Our Team's Secret Weapon Against Tribal Knowledge Hoarding

How Code Reviews Became Our Team's Secret Weapon Against Tribal Knowledge Hoarding

Picture this: You’re staring at a Python script that somehow uses walrus operators to parse XML while simultaneously brewing coffee. The original author? They’ve just boarded a one-way flight to Mars Colony One. This is why we don’t let junior devs write code after 3 espresso shots… and why code reviews are my team’s equivalent of a cryptographic checksum for knowledge preservation. From Merge Conflicts to Mind Melds Early in my career, I thought code reviews were just glorified spell checks for code....

March 31, 2025 · 4 min · 738 words · Maxim Zhirnov
The Fallacy of 'Always Use a CSS-in-JS Solution': When Stylesheets Fight Back

The Fallacy of 'Always Use a CSS-in-JS Solution': When Stylesheets Fight Back

Let me paint you a picture: it’s 3 AM, your React component is bleeding styles like a zombie extra from The Walking Dead, and you’re knee-deep in styled-component wrappers. Suddenly it hits you - maybe CSS-in-JS wasn’t the silver bullet promised in that Medium article with the suspiciously perfect code samples. Welcome to my world, friend. Let’s dig into when CSS deserves its seat at the grown-ups table. The JavaScript Industrial Complex Claims Another Victim I’ll never forget the day I inherited a codebase where a button component needed 17 nested ThemeProviders just to change its hover color....

March 31, 2025 · 4 min · 810 words · Maxim Zhirnov
From Stone Tablets to Time Machines: The Quirky Evolution of Version Control

From Stone Tablets to Time Machines: The Quirky Evolution of Version Control

Picture this: it’s 1982, and somewhere in Purdue University, Walter Tichy is trying to version-control his code using punched cards and prayer. Fast forward to today, where I can accidentally rm -rf my project and laugh maniacally while Git resurrects it. Let’s explore how we got here - with practical examples, dad jokes, and at least one veiled Star Trek reference. The RCS Era: When Code lived in Fort Knox Revision Control System (RCS) was the OG version control that treated files like rare library books - only one person could check them out at a time....

March 30, 2025 · 4 min · 795 words · Maxim Zhirnov
The Developer's Stethoscope: Hunting Performance Bugs Like Sherlock With Code Profilers

The Developer's Stethoscope: Hunting Performance Bugs Like Sherlock With Code Profilers

Let’s face it - trying to optimize code without a profiler is like trying to fix a car engine blindfolded while wearing oven mitts. You might eventually stop the smoke, but you’ll probably replace the windshield wipers instead of the piston rings. Today we’ll explore the world of performance profiling tools that act as our code cardiographs, showing exactly where our applications’ heartbeats turn arrhythmic. Why Your Code Needs a Fitness Tracker Before we jump into tool comparisons, let’s address the elephant in the server room....

March 30, 2025 · 4 min · 657 words · Maxim Zhirnov