Month: May 2025

Bold visions are common; but transforming those visions into tangible outcomes is where true leadership is tested. For Dima Rukin, CEO of LaFinteca, the challenge is clear: building a company that not only imagines a world of inclusive financial ecosystems without borders, but one that delivers it through daily execution. According to Rukin, moving from … Read more

Introduction In TypeScript, you can define custom shapes using type aliases or interface. But when it comes to choosing between them, many developers ask: “TypeScript Type vs Interface?” The answer is increasingly clear: use type. While both share similarities, type offers more flexibility, supports complex patterns, and aligns better with modern TypeScript and frameworks. In … Read more

I spent 2019 – 2022 thinking a lot about consumer health insurance while building a consumer health insurance business, getting acqui-hired, and serving as Senior Vice President of Consumer Business at Reliance Health. This essay illustrates how the biggest industries in healthcare make money and how new upstarts can make entrepreneurial profits. But first, let’s … Read more

How you may or may not know: I’m helping students and young professionals with CV building. I have been doing it for 4 months now, and during this time, I have helped 25+ students to take their CV to the next level! During that time, I had an opportunity to see the most common mistakes … Read more

Learn how to build pagination in Flutter with Generics. Chapters: Learn Data Structures the fun way: Anagram Game Scarne’s Dice: A fun way to learn Flutter and Bloc Pagination in Flutter with Generics and Bloc: Write Once and use Anywhere More to come … In the previous workshops, we worked on Lists, HashMaps, and HashSets … Read more

Blockchain is described as “unhackable” and “future-proof,” but how is it that it’s so secure? Let’s break the magic of blockchain into plain language — with actual code examples — to give you a sense of what’s happening under the hood. Prefer watching instead of reading? Here’s a quick video guide https://youtu.be/7V_gJAKMxXA?embedable=true What Is a … Read more

One of the most risky and most frequently used bugs is a privilege escalation vulnerability. It sounds like a mouthful, but in all honesty, the idea is very straightforward—and it’s something you really should know about if you’re interested in computer security. Prefer watching instead of reading? Here’s a quick video guide https://youtu.be/cTtewIHKUUI?embedable=true What is … Read more

Our homes are more integrated than ever before. From smart TVs and virtual assistants to security cameras and baby monitors, our home networks are full of devices that constantly communicate with the internet. But with all that convenience comes danger—hackers view your home network as an open target if it’s not properly defended. So how … Read more

Mobile apps are omnipresent—from social media and enterprise to payment wallets. But most are still open to attack. This handbook is your step-by-step tutorial on pentesting mobile apps in 2025 with code snippets, tool instructions, and advice. Tools Setup Below is a quick Android (Linux/macOS) setup: # Install ADB (Android Debug Bridge) sudo apt install … Read more

From the Cossack warriors of the 16th century to the poets of the 19th, Ukraine’s history has been shaped by ordinary people defending their homeland. Today, that fight continues – not just on the battlefield, but in the digital and technological domain, where Ukrainian engineers, developers, and volunteers are proving that innovation is as critical to Ukraine’s … Read more

This article will act as an implementation guide for Argon2 the memory-hard password hashing algorithm in real world application. It will provide practical steps for implementing Argon2 such as choosing libraries, generating secure salts, code example, managing edge cases, also best practices for security and performance considerations. What Is Argon2 & Why It Matter? What … Read more

There’s a particular kind of challenge that doesn’t get talked about enough in development circles: being handed a broken system, no documentation, no context, and being told, “Can you figure this out?” Debugging unfamiliar code is one thing. Debugging it with no documentation, no handover, and while it’s actively breaking? That’s a different level of … Read more

How are you, hacker? 🪐Want to know what’s trending right now?: The Techbeat by HackerNoon has got you covered with fresh content from our trending stories of the day! Set email preference here. ## JavaScript Just Became 10X faster Thanks to a New Game-changing Feature From Chrome By @thisweekinjavascript [ 3 Min read ] Chrome’s … Read more

I’ve spent years engineering data systems for enterprises,from high-growth companies to global giants. But one moment made me question everything: when three different reports on the same metric landed on my desk with three different answers. We had modern tools. We had smart people. What we didn’t have was trust in the data. That experience … Read more

In retrieval-augmented generation (RAG) pipelines, input efficiency is paramount, not just in terms of tokens, but also character limits When building a multilingual embedding pipeline, I faced a real challenge:the Cohere multilingual model imposes a maximum of 2048 characters not a token limit per input. This article walks you through a clever solution: preprocessing Markdown … Read more

And why it matters for building real-world AI systems, especially in healthcare. It started with a question. Not a difficult one on the surface, just something a curious interviewer tossed my way during a discussion on AI systems: “So what’s the difference between a chatbot and an AI agent?” I smiled. Because if you’ve worked … Read more