Building a Crystal Ball for Distributed Systems: Predicting Failures Before They Happen

Building a Crystal Ball for Distributed Systems: Predicting Failures Before They Happen

Picture this: your distributed system is a circus troupe. The database servers are acrobats, message queues are jugglers, and microservices are clowns crammed into tiny cars. Everything works until the fire-breathing dragon of network partitions appears. Let’s build a system that predicts these disasters before they roast our infrastructure marshmallows. Step 1: The Watchful Owl - Monitoring & Data Collection Our crystal ball needs eyes. Start with Prometheus peering into every nook of your system:...

April 18, 2025 · 3 min · 525 words · Maxim Zhirnov
Why Your Grandpa's Code Might Outlive Your Startup

Why Your Grandpa's Code Might Outlive Your Startup

Picture this: You’re driving a vintage 1972 Chevrolet Impala through Silicon Valley. The hipster Tesla drivers laugh at your analog dashboard… until your carburetor outlasts their over-the-air updates. Legacy systems are the classic cars of software - let’s talk about why they might still deserve garage space in your architecture. 1. The Stability Chronicles: When “Boring” Becomes a Superpower // LegacyTransaction.java - Works since 1999, touches 47 systems public class LegacyFundTransfer { public void transfer(Account from, Account to, BigDecimal amount) { try { Connection conn = DriverManager....

April 18, 2025 · 4 min · 686 words · Maxim Zhirnov
Taming the Async Dragon with RxJS: A Pragmatic Journey

Taming the Async Dragon with RxJS: A Pragmatic Journey

Picture this: you’re trying to herd cats while juggling chainsaws, and every cat represents an asynchronous event in your JavaScript app. Enter RxJS - the lasso that turns this chaos into a synchronized ballet. Let’s roll up our sleeves and make sense of reactive programming without the usual jargon overdose. Observables 101: Your New Data Superpower Observables aren’t magic (though they might as well be). Think of them as conveyor belts for data that you can pause, transform, and reroute at will....

April 17, 2025 · 3 min · 569 words · Maxim Zhirnov
Should Code Surgeons Need a License? Exploring the Dev Licensing Dilemma

Should Code Surgeons Need a License? Exploring the Dev Licensing Dilemma

Picture this: You’re lying on an operating table when the surgeon leans in and whispers, “Don’t worry, I did a great Codecademy course last weekend.” Suddenly, licensing doesn’t seem like such a bad idea. Now replace “surgeon” with “developer” and “operating table” with “production server.” Still comfortable? The Great License Debate: From “Hello World” to “Goodbye Career” The idea of developer licensing isn’t new - Texas has been doing it since the Y2K panic era....

April 17, 2025 · 4 min · 674 words · Maxim Zhirnov
React Native: Write Once, Debug Everywhere (But Mostly Just Once)

React Native: Write Once, Debug Everywhere (But Mostly Just Once)

Picture this: you’re at a coffee shop, trying to build both an iOS and Android app simultaneously. Your MacBook overheats from Xcode, your Android emulator eats RAM like Cookie Monster devours snacks, and your sanity slowly evaporates. Enter React Native - the JavaScript framework that’s like a Swiss Army knife for mobile development, if Swiss Army knives came with hot reloading and existential dread about flexbox alignment. Chapter 1: Setting Up Your Digital Playground Before we start cooking with gas, let’s set up our kitchen: Step 1: Install the essentials...

April 16, 2025 · 4 min · 651 words · Maxim Zhirnov