Executive Summary I spent four weeks part-time (probably 80 hours total) building a complete reactive UI framework with 40+ components, a router, and supporting interactive website using only LLM-generated code, it is evident LLMs can produce quality code—but like human developers, they need the right guidance. Key Findings On Code Quality: Well-specified tasks yield clean … Read more
Its primitive API enables scheduling for the internet, and its client is a masterpiece of restraint. How Google Calendar works, and what we can learn from it as engineers. Architecture Frontend framework: None (!). Just a few in-house libraries for things like authentication and shared utils. Frontend Styling: CSS classnames, invoked by JS. Frontend Storage: … Read more
How are you, hacker? 🪐 What’s happening in tech today, January 4, 2026? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Zuck launched Facebook in his Harvard dorm room in 2004, World’s largest and deepest tunnel was opened in 2010, “Great Society” program aimed to eliminate poverty was launch … 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. ## How Supercell Powers its Massive Social Network with ScyllaDB By @scylladb [ 6 Min read ] Supercell powers real-time cross-game chat, … Read more
Investors spent the last two years watching companies chase Agentic AI features with urgency and FOMO. But 2026 is shaping up differently. The conversation is shifting from “Who has the best Agentic AI demo?” to “Who has the architecture to actually scale this?” That shift matters because it changes who wins. The real question isn’t … Read more
The evolution of the Symfony Console component has been a journey of consistent refinement. For years, developers grew accustomed to the ritual of extending the Command class, implementing the configure() method to define arguments and options and placing their logic inside execute(). It was robust, deterministic and verbose. With the advent of Symfony 5 and 6, we saw … Read more
When capability scales faster than interpretation, trust erodes before anyone notices The Failure Most Teams Don’t Instrument Most system failures don’t start with broken tools. n They startwhen capability scales faster than interpretation. AI ships output faster than teams can review or debug. n Startups ship demos faster than users can integrate or rely on. … Read more
Learn how engineers think about reliability, scalability, and maintainability—by asking the right questions early.
Prompt Chaining: When One Prompt Isn’t Enough If you’ve ever tried to squeeze an entire project into one prompt—requirements → solution → plan → risks → final doc—you already know how it ends: it skips steps, it forgets constraints, it gives you a “confident” answer you can’t easily verify, and the moment something is wrong, … Read more
While the OpenAI CEO Sam is largely optimistic, he is also clear-eyed about the potential risks of AI.
How are you, hacker? 🪐 What’s happening in tech today, January 3, 2026? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Alaska became the 49th US state in 1959, The first block of the Bitcoin blockchain was mined in 2009, Panama leader Manuel Noriega surrendered to US authorities in … Read more
Mutuum Finance (MUTM), a new crypto project focused on decentralized lending and borrowing, has confirmed the completion of its V1 smart contract audit conducted by Halborn Security. The update marks an important step in the project’s roadmap as it prepares for the initial deployment of its protocol. With core contracts reviewed and development milestones progressing, … 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. ## The Hidden Cost of AI: Why It’s Making Workers Smarter, but Organisations Dumber By @yuliiaharkusha [ 8 Min read ] AI … Read more
Amp’s new “handoff” feature replaces compaction by packaging relevant context into new threads while navigating complex discussions.
Email marketing only works if messages reach the inbox. Deliverability testing identifies spam triggers, broken links, and authentication issues. Tools like MailGenius help marketers optimize campaigns, improve engagement, protect sender reputation, and maximize ROI by ensuring emails are seen, not lost to spam or promotions tabs.
All year long, we’ve been riding across the vast plains of open-source code, investigating crimes, taking out vulnerabilities, and collecting trophies. Today, we decided to step into the dustiest saloon: an experienced sheriff leans against the bar and reminisces about ten most daring and dangerous bugs in the Wild West. Want an interesting story? For … Read more
This enhances code suggestions and reviews by building on accumulated developer interactions over time.
How are you, hacker? 🪐 What’s happening in tech today, January 2, 2026? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, The Palmer Raids began in the US in 1920, NASA launched its farthest exploration in 2019, The Federal Rules of Evidence were enacted in the US in 1975, … Read more
Hey hackers! If you’ve ever wondered why some of your submissions take a while before they get published, it’s probably because you’re submitting incomplete articles. While most contributors focus on the content and the headline, we often receive submissions that are missing their meta, TL;dr, and keyword sections. Worse yet, sometimes contributors will add some … Read more
In an environment of perpetual digital noise, geopolitical friction, and algorithmic manipulation, many users have lost faith in the integrity of the information they see. The information landscape is saturated, blurring the lines between ordinary discourse and strategic misinformation by companies or states. If high-stakes decisions (from investment strategies to international security choices) are based … Read more
Data engineering exists because production databases are built for fast transactions (rows), while analytics requires massive scans (columns); trying to do both on one system can crash your business and cost millions.
Crypto contract verification is the definitive proof of identity in the DeFi ecosystem, transforming opaque bytecode into trusted logic. However, the process is often misunderstood, leading to frustration when the “Deterministic Black Box” of the compiler produces mismatching fingerprints. This article demystifies verification by visualizing it as a “Mirror Mechanism,” where local compilation environments must … Read more
I. The “Complete System” Fallacy 1.1 The Problem The pursuit of ethical Artificial Intelligence (AI) has been defined by a single, implicit ambition: the creation of a “complete” ethical machine. This is the dream of building an autonomous system whose internal logic, training data, and reward functions are comprehensive enough to resolve any moral dilemma … Read more
Marcus Briggs has walked into gold vaults on three continents. The first time, in Dubai nearly fifteen years ago, I expected armed guards, heavy doors, maybe a few cameras. What I found was something closer to science fiction. Retinal scanners, mantrap airlocks, pressure-sensitive flooring that could detect an extra kilogram of weight. The gold itself … Read more
Why Innovators, Builders, and Workplaces Need to Operate at the “Edge of Chaos” Innovation doesn’t emerge from perfectly controlled systems. Builders and entrepreneurs thrive in environments where assumptions are challenged, information is incomplete, and outcomes are inherently unpredictable. This is the state known as the “edge of chaos.” Builders operate under uncertainty by default. Progress … Read more
In Part 1, a smart account was deployed and the first UserOperation successfully executed through the EntryPoint. At that point, everything worked — but a critical part of the system stayed mostly invisible: the bundler. Bundlers are the bridge between account abstraction and the Ethereum execution layer. They take UserOperations from a separate mempool, pay … Read more
A few years ago, AI in marketing seemed like a luxury for big companies. Now, startups without AI are often at a disadvantage. There are approximately 333.34 million companies worldwide. According to research, over 90% of companies are either using or exploring the use of AI. This means that over 300 million companies are using or exploring AI … Read more
Meta’s Scam Ads Are Finally Being Challenged — And It’s Long Overdue After years of warnings from consumer advocates, regulators and defrauded users, Meta Platforms is finally being dragged into court over what critics say has been an open-secret business model: knowingly allowing scam advertisements to run across Facebook and Instagram in the name of … Read more
When you go to the doctor, one thing you may have noticed is how trash is handled. Usually, there are multiple trash cans for regular waste and biohazard waste. While this is done to prevent contamination to other individuals, it is also very costly for medical providers if they fail to properly dispose of their … 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. ## Why Zack Shooter Believes AI Agents Will Expose a Structural Fault Line in Financial Infrastructure By @stevebeyatte [ 4 Min read … Read more