Chisom Newsletter

Have you ever thought about  how massive apps like Netflix, Amazon, and Uber manage to run so smoothly ? No crashes. No downtime (mostly). No laggy experiences. Well, that’s Microservices Architecture at work. It’s like breaking a giant, clunky machine into smaller, independent gadgets , each handling a specific task. And when put together? They create magic . If you are new to the concept,  do not worry. Here’s a simple breakdown of the 10 key components that make up microservices. 1. Clients – The End-Users (That’s You!) You. Me. Anyone using the app. We interact with microservices through websites, mobile apps, or even desktop applications . Think of how you open Netflix on your phone, laptop, or smart TV. Each platform talks to the backend differently—but it all just works. 2. CDN (Content Delivery Network) – Speed is Everything Ever noticed how images, videos, and content load faster on popular websites ? That’s because of CDNs . Instead of fetching everything from a...

In software architecture, one debate never seems to die: Monolithic Architecture vs. Microservices . Some developers swear by the speed and flexibility of microservices. Others argue that modern monoliths have solved many of their old problems and are making a strong comeback. So, which one should you choose for your next project? Well, it depends. Let’s break it down. What is a Monolith? A monolith is a single, unified application where all components—frontend, backend, database logic—exist within one codebase. Think of it like a one-stop supermarket . Everything is in one place. Simple. Efficient. You don’t have to leave one store and go to another just to grab groceries, electronics, and clothes. Why Monoliths Still Work Simpler Development: Everything is in one place. No complex communication between services. Easier Deployment: A single unit means no need to manage multiple deployments. Faster Execution: No network overhead between different services talking to each other....

Linux. The powerhouse behind servers, dev environments, and that one friend who refuses to use anything but the terminal. If you’re stepping into the world of Linux, mastering a few essential commands can make you feel like a hacker in a movie—minus the dramatic typing and flashing screens. This guide is for beginners and pros alike. Whether you're SSH-ing into a remote server or just trying to rename a file without breaking things, these Linux commands will save your day. 1. Navigating the File System Before you do anything, you need to know where you are in the Linux world. These commands will help you move around like a pro. 🔹 pwd → Prints your current working directory. pwd Ever gotten lost in folders? This tells you exactly where you are. 🔹 ls → Lists files and directories. ls ls -l # Detailed list ls -a # Shows hidden files Because sometimes, that file you swear is there is just hidden. 🔹 cd → Changes directory. cd /home/user/Documents # Go to a specific...

Imagine this: You and your friend do share a joint account. One day, you both decide to withdraw money at the exact same time —you at an ATM and your friend using mobile banking. The account has $1000, and each of you is trying to withdraw $700. What should happen? The system should stop one of the transactions due to insufficient funds, right? Well, not always . If the bank's system isn't built properly, both transactions might go through. Boom! You just withdrew money that never existed. Welcome to the world of race conditions . What is a Race Condition? A race condition happens when multiple processes try to access and modify the same data at the same time , leading to unexpected and incorrect results. In the context of banking, this means two or more transactions trying to credit or debit an account balance simultaneously, causing data inconsistency . Think of it like two people editing the same Google Doc at once, but instead of real-time synchronization of the data,...

Remember the days of scrambling to find a  local SIM card  in a foreign country, dealing with confusing activation processes, or paying outrageous  international roaming fees ? Those days are disappearing—thanks to  eSIM technology . Whether you’re a  frequent traveler, a digital nomad, or a business professional ,  eSIMs are revolutionizing travel connectivity . If you’re not using one yet, you’re missing out. What is an eSIM and Why Should You Care? An  eSIM (embedded SIM)  is a  digital SIM  built directly into your device. Instead of swapping physical SIM cards, you can activate an eSIM profile remotely—anytime, anywhere. Why Travelers Love eSIMs: Instant Connectivity  – No more searching for SIM card kiosks at the airport. Activate your plan before you even land. No Roaming Fees  – Choose  affordable, prepaid local data plans  instead of paying hefty roaming charges. Multiple Networks  – Switch between netwo...

Thinking about visiting   Budapest, Hungary ? You're making one of the   best travel decisions   of your life. This city is a  perfect mix of history, culture, food, and nightlife . Whether you’re exploring  Buda Castle , soaking in  thermal baths , or partying in  Ruin Bars , Budapest offers  something for every traveler . Before you pack your bags, let’s dive into  everything you need to know about traveling to Budapest in 2025 . From  Hungarian food  and  local culture  to  transportation tips and budget hacks , this guide has you covered. Where is Budapest? (Quick Geography) Budapest is  Hungary’s capital city , located in  Central Europe , and is split into  two parts : Buda  – The historic, hilly side with  Buda Castle ,  Fisherman’s Bastion , and amazing panoramic views. Pest  – The energetic, flat side with  Parliament ,  Ruin Bars , and the city’s best nightlife. T...

I used to be a planner. The kind that had  every detail mapped out —flights booked  months in advance , hotels carefully selected, and  itineraries printed  like I was leading a military operation. And then, life happened. A  missed flight , a  canceled booking , and a whole lot of frustration later—I found myself on an  unplanned adventure . And honestly?  It was the best trip of my life. Planning is Great… Until It’s Not Don’t get me wrong, planning has perks. You get  cheaper flights , avoid  last-minute stress , and have a sense of control. But here’s the thing— travel is meant to be an adventure . And the best moments? They’re usually the ones  you never saw coming . Like  stumbling upon a hidden café in Rome  because you got lost looking for the Colosseum. Or  ending up at a beach party in Thailand  simply because you decided to “go for a quick walk.” Or  meeting strangers in a Parisian bookstore ...