Hackernoon

Go 1.22: Bringing Math/rand and Crypto/rand together

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Computers aren’t random. On the contrary, hardware designers work very hard to make sure computers run every program the same way every time. So when a program does need random numbers, that requires extra effort. Traditionally, computer scientists and programming languages have distinguished between two different kinds of random numbers: statistical and cryptographic randomness. In … Read more

Protecting Location Data in Smart City Digital Twins

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Table of Links Abstract and 1 Introduction 1.1. Spatial Digital Twins (SDTs) 1.2. Applications 1.3. Different Components of SDTs 1.4. Scope of This Work and Contributions 2. Related Work and 2.1. Digital Twins and Variants 2.2. Spatial Digital Twin Case Studies 3. Building Blocks of Spatial Digital Twins and 3.1. Data Acquisition and Processing 3.2. … Read more

The HackerNoon Newsletter: Is AI Making People Delusional? (5/17/2025)

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How are you, hacker? 🪐 What’s happening in tech today, May 17, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, The New York Stock Exchange (NYSE) was founded in 1792, Homosexuality was depathologized by the WHO! in 1990, The U.S. Supreme Court declared racially segregated public schools unconstitutional … Read more

Marketing via Storytelling: Is It a Dead Art?

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Mankind has been using storytelling to educate and motivate people, from the earliest days of cave dwellers who would draw scenes inspired by their surroundings on the walls of their dwellings. They would often depict the animals they lived amongst, with many of the paintings showing groups of people indulging in hunting. These paintings told … Read more

References: Spectral Estimation, Signal Processing, and Quantum Computing

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Table of Links Abstract and 1 Introduction 1.1 ESPRIT algorithm and central limit error scaling 1.2 Contribution 1.3 Related work 1.4 Technical overview and 1.5 Organization 2 Proof of the central limit error scaling 3 Proof of the optimal error scaling 4 Second-order eigenvector perturbation theory 5 Strong eigenvector comparison 5.1 Construction of the “good” … Read more

Lower Bound for Spectral Estimation in Noisy Super-Resolution

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Table of Links Abstract and 1 Introduction 1.1 ESPRIT algorithm and central limit error scaling 1.2 Contribution 1.3 Related work 1.4 Technical overview and 1.5 Organization 2 Proof of the central limit error scaling 3 Proof of the optimal error scaling 4 Second-order eigenvector perturbation theory 5 Strong eigenvector comparison 5.1 Construction of the “good” … Read more

Eigenvector Perturbation in Aligning Matrix Construction for ESPRIT

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Table of Links Abstract and 1 Introduction 1.1 ESPRIT algorithm and central limit error scaling 1.2 Contribution 1.3 Related work 1.4 Technical overview and 1.5 Organization 2 Proof of the central limit error scaling 3 Proof of the optimal error scaling 4 Second-order eigenvector perturbation theory 5 Strong eigenvector comparison 5.1 Construction of the “good” … Read more

Godot 4.4.1 RC 2: What’s New

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We released Godot 4.4 in early March and we are delighted to see the reception, with so many users upgrading to it on day 1 and sharing their favorite new changes on social media! If you haven’t seen the 4.4 release page, it’s well worth a read! Since then, we’ve started the development phase for … Read more

Rust 1.85.1: Everything Included in It

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The Rust team has published a new point release of Rust, 1.85.1. Rust is a programming language that is empowering everyone to build reliable and efficient software. If you have a previous version of Rust installed via rustup, getting Rust 1.85.1 is as easy as: rustup update stable If you don’t have it already, you … Read more

Meet The Women In Tech: Saaniya Chugh and Managing the Ever-changing Tech Culture

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Tell us about yourself! Hello to my HackerNoon Family… I am Saaniya Chugh, and I’ve spent the last decade within the ServiceNow ecosystem, building, optimizing, and transforming workflows and solutions-most recently as a Senior Technical Consultant at ServiceNow Canada. But titles aside, my work has mostly revolved around designing and implementing the ServiceNow platform in … Read more

The 5 Building Blocks of Spatial Digital Twins

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Table of Links Abstract and 1 Introduction 1.1. Spatial Digital Twins (SDTs) 1.2. Applications 1.3. Different Components of SDTs 1.4. Scope of This Work and Contributions 2. Related Work and 2.1. Digital Twins and Variants 2.2. Spatial Digital Twin Case Studies 3. Building Blocks of Spatial Digital Twins and 3.1. Data Acquisition and Processing 3.2. … Read more

Is AI Making People Delusional?

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As artificial intelligence (AI) becomes more integrated into people’s daily lives, a new psychological phenomenon is taking shape — AI-induced delusion. It’s happening across some users, who conclude that everything ChatGPT or other chatbots tell them is true. Imagine a woman is suspicious of her husband’s behavior. She may consult ChatGPT to interpret his actions. … Read more

How to Become Mr. Worldwide and Get Your Articles Translated to 77 Different Languages

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Hey Hackers! It’s a big world out there, but unfortunately, we don’t all speak the same language. The good news is that technology is making communication and translation easier, and the even better news is that HackerNoon has an incredible translation feature that you can use right now. Let’s dive right into it. HackerNoon has … Read more

The HackerNoon Newsletter: Police Officers Are Turning Into Reddit Mods Thanks to Amazons Neighborhood Watch (5/16/2025)

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How are you, hacker? 🪐 What’s happening in tech today, May 16, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Steve Jobs unveiled the Apple iMac in 1998, Google acquired Motorola Mobility for $12 Billion dollars in 2012, SpaceX’s Demo-2 Mission was planned and subsequently delayed in 2020, … Read more

Explicit Expansion and Bounds of Spectral Projector in ESPRIT Analysis

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Table of Links Abstract and 1 Introduction 1.1 ESPRIT algorithm and central limit error scaling 1.2 Contribution 1.3 Related work 1.4 Technical overview and 1.5 Organization 2 Proof of the central limit error scaling 3 Proof of the optimal error scaling 4 Second-order eigenvector perturbation theory 5 Strong eigenvector comparison 5.1 Construction of the “good” … Read more

Rust Is Adopting FLS: What Does This Mean for the Rust Reference?

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Adopting the FLS Some years ago, Ferrous Systems and AdaCore worked together to assemble a description of Rust called the FLS1. Ferrous Systems has since been faithfully maintaining and updating this document for new versions of Rust, and they’ve successfully used it to qualify toolchains based on Rust for use in safety-critical industries. Seeing this … Read more

Future-Proofing Your Spatial Digital Twin

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Table of Links Abstract and 1 Introduction 1.1. Spatial Digital Twins (SDTs) 1.2. Applications 1.3. Different Components of SDTs 1.4. Scope of This Work and Contributions 2. Related Work and 2.1. Digital Twins and Variants 2.2. Spatial Digital Twin Case Studies 3. Building Blocks of Spatial Digital Twins and 3.1. Data Acquisition and Processing 3.2. … Read more