fidzu : programming

Java has become one of the world's most versatile programming languages, chosen for its adaptability, stability, and platform independence. Its extensive ecosystem encompasses virtually every application type, from web development to enterprise solutions, game design, the Internet of Things (IoT), and beyond.

With an estimated 51 billion active Java Virtual Machines (JVMs) globally, it goes without question that Java powers a substantial portion of modern software infrastructure.

06 Feb 2026 2:00pm GMT

Most teams add rate limiting after an outage, not before one. I've done it both ways, and the "after" version usually looks like this: someone picks a number (say 500 rps), wires up a filter, and feels safer. Then the next incident happens anyway - because the problem wasn't the number.

The real problems tend to be:

04 Feb 2026 6:00pm GMT

The recent announcement that Global Payments will acquire Worldpay for $22.7 billion has once again put the spotlight on the payment processing space. This move consolidates two giants and signals the growing importance of real-time, global payment infrastructure. But behind this shift is something deeper: data streaming has become the backbone of modern payment systems.

From Stripe's 99.9999% Kafka availability to PayPal streaming over a trillion events per day, and Payoneer replacing its existing message broker with data streaming, the world's leading payment processors are redesigning their core systems around streaming technologies. Even companies like Worldline, which developed its own Apache Kafka management platform, have made Kafka central to their financial infrastructure.

03 Feb 2026 12:00pm GMT