Hackernoon

Intro One of the first barriers a developer is facing during the initial project initialization is setting a unit tests configuration and a basic set of unit tests. The first step is to set a general testing strategy: unit testing framework – the primary library as a base to implement app-specific unit tests; tests structure … Read more

Does anyone else remember the good old days of Windows Media Player? As a 2000’s kid growing up, Windows Media Player was the staple of how I consumed music. My friends used to give me flash drives of mp3 files that they most likely ripped off of Limewire, and I’d load up the same 50-100 … Read more

Learn to build polyfills for JavaScript array methods flat, map, filter, and reduce, enhancing your skills and interview confidence

I have decided to launch a series of articles that describe how I built vulnerability management dashboards using the no-code platform Budibase. In this series, I will break down my custom prioritization system, demonstrate how the Exploit Prediction Scoring System (EPSS) can enhance remediation efficiency, and explore how to consolidate data from various cybersecurity tools … Read more

The future of writing isn’t a cage match between AI and humans. While pundits obsess over whether ChatGPT will write the next great novel, some writers are already deep in a different kind of draft: prompt engineering. Writers of the next generation will spend less time typing first drafts and more time architecting prompts, curating … Read more

What Recruiters Want to See, And What They’re Ignoring? Ethan and Rohan are both applying for tech jobs. Ethan is grinding LeetCode because that’s what big tech companies ask in interviews. Rohan thinks LeetCode is a waste of time. He’s busy building a powerful Chrome extension because he believes cool projects get you hired. So, … Read more

If you’re using Firebase Firestore in your Flutter project and don’t know why your iOS builds take so much time to compile, you’re not alone, this problem is ancient and most developers are suffering through it but don’t worry, I got you covered. On my machine, M3 Pro MacBook with 18 GB of RAM and … 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. ## Build the Future of Bitcoin Finance with Mezo’s Alpha Builder Program By @mezo [ 3 Min read ] Apply to Mezo’s … Read more

Industry leaders report surging demand for digital health solutions while hospitals scramble to keep pace with AI revolution Healthcare technology companies are riding a wave of unprecedented growth, with the sector’s market value set to more than double to $730 billion by 2029 as hospitals and health systems pour resources into artificial intelligence and digital … Read more

Introduction: Why Ability Systems Must Be Flexible In game development, the ability system is often one of the most demanding components in terms of flexibility. At the design stage, it’s nearly impossible to predict what spells, abilities, or skills will exist in the final version — or what updates will introduce in the future. This … Read more

Table of Links Abstract and I. Introduction II. Threat Model & Background III. Webcam Peeking through Glasses IV. Reflection Recognizability & Factors V. Cyberspace Textual Target Susceptibility VI. Website Recognition VII. Discussion VIII. Related Work IX. Conclusion, Acknowledgment, and References APPENDIX A: Equipment Information APPENDIX B: Viewing Angle Model APPENDIX C: Video Conferencing Platform Behaviors … Read more

Table of Links Abstract and I. Introduction II. Threat Model & Background III. Webcam Peeking through Glasses IV. Reflection Recognizability & Factors V. Cyberspace Textual Target Susceptibility VI. Website Recognition VII. Discussion VIII. Related Work IX. Conclusion, Acknowledgment, and References APPENDIX A: Equipment Information APPENDIX B: Viewing Angle Model APPENDIX C: Video Conferencing Platform Behaviors … Read more

Table of Links Abstract and I. Introduction II. Threat Model & Background III. Webcam Peeking through Glasses IV. Reflection Recognizability & Factors V. Cyberspace Textual Target Susceptibility VI. Website Recognition VII. Discussion VIII. Related Work IX. Conclusion, Acknowledgment, and References APPENDIX A: Equipment Information APPENDIX B: Viewing Angle Model APPENDIX C: Video Conferencing Platform Behaviors … Read more

Table of Links Abstract and I. Introduction II. Threat Model & Background III. Webcam Peeking through Glasses IV. Reflection Recognizability & Factors V. Cyberspace Textual Target Susceptibility VI. Website Recognition VII. Discussion VIII. Related Work IX. Conclusion, Acknowledgment, and References APPENDIX A: Equipment Information APPENDIX B: Viewing Angle Model APPENDIX C: Video Conferencing Platform Behaviors … Read more

:::info Authors: (1) Yan Long, Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, USA (yanlong@umich.edu); (2) Chen Yan, College of Electrical Engineering, Zhejiang University, Hangzhou, China (yanchen@zju.edu.cn); (3) Shilin Xiao, College of Electrical Engineering, Zhejiang University, Hangzhou, China (xshilin@zju.edu.cn); (4) Shivan Prasad, Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, USA … Read more

San Francisco, United States of America, August 5th, 2025/Chainwire/–Succinct announced the mainnet deployment of the Succinct Prover Network, a decentralized infrastructure enabling anyone to request and verify zero-knowledge (ZK) proofs from a global network of provers. The launch also activates the PROVE token, which provides the economic foundation for paying provers and securing the network, … Read more

The Hidden Cost of Interface Changes In software architecture, one of the most subtle forms of technical debt comes not from what we write - but from what we expose. It often starts with a small, well-meaning change: we want to add access to a private field or internal method of an important class. But we only … Read more

Laptop Shopping Imagine you’re buying a laptop. You care about two things: price and battery life. You don’t know which laptop is the best, but you can easily spot laptops that are obviously worse than others. For example, suppose: Laptop A costs $1,000 and lasts 4 hours. Laptop B costs $800 and lasts 6 hours. … Read more

Hamilton, Bermuda, August 5th, 2025/Chainwire/–OnRe’s yield-bearing asset, ONyc, is now accepted as collateral within Solana’s decentralized finance (DeFi) ecosystem. This development enables the integration of real-world yield sources into DeFi applications. Incentive programs from USDG and Ethena have launched to reduce borrowing costs, enhance yield opportunities, and support the use of real-world collateral onchain. Onchain … Read more

What are Skyline Queries? Summer is in full swing, and the weather outside is hot and sunny. And here I am at my desk, scribbling away while my mind is sipping margaritas in a hotel bar somewhere in the Caribbean. But how do I decide which hotel? Close to the beach? Good reviews? Cheap? Can … Read more

How are you, hacker? 🪐 What’s happening in tech today, August 5, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, First traffic lights installed in 1914, eOne PC launched in 1999, Google Acquired a Public Company in 2009, and we present you with these top quality stories. From … Read more

This blog examines a Freedom of Information Act (FOIA) lawsuit compelling the Department of Homeland Security (DHS) to release records concerning Satoshi Nakamoto, the pseudonymous creator of Bitcoin. The lawsuit follows DHS Special Agent Rana Saoud’s 2019 claim that the DHS interviewed an individual claiming to be Nakamoto in California, along with others involved in … Read more

Thesis is HackerNoon’s Company of the Week. This Bitcoin-first venture studio powers projects like Fold, Taho, and Mezo to promote decentralization, privacy, and financial sovereignty. Through open-source tools and Web3 infrastructure, Thesis empowers individuals to opt out of centralized systems and take control of their digital lives.

This article compares the performance of Pandas and Polars, two Python libraries for data analysis, by running benchmarks on a synthetic 6-million-row dataset. While both libraries offer similar functionality for filtering, arithmetic, and string manipulation, Polars significantly outperforms Pandas in native operations, delivering up to 99% faster processing times. However, for custom Python functions or … Read more

Can Web3 gaming finally offer the kind of seamless experience traditional games have had for years? DAR Open Network believes it can and the newly launched DAR Citizenship program is its attempt to prove it. DAR Citizenship, which officially went live on August 5, 2025, introduces a unified premium membership model for gamers across the … Read more

Table of Links Abstract and 1. Introduction 1.1 Our Contributions 1.2 TFM Incentive-Compatibility Notions: A Cheat Sheet Definitions 2.1 Transaction Fee Mechanism 2.2 Incentive Compatibility Notions Preliminary: Myerson’s Lemma Warmup: Impossibility of UIC + MIC + Global SCP for Deterministic Mechanisms Impossibility of UIC + MIC + Global SCP for Randomized Mechanisms and 5.1 Proof … Read more

Process vs Threads, Hardware Threads vs Software Threads, Hyperthreading In today’s world of high-performance and responsive software, concurrency is no longer a luxury — it’s a necessity. Whether you’re building a real-time trading engine, a game engine, or a simple web server, understanding how to execute tasks in parallel can dramatically improve performance and user … Read more

Table of Links Abstract and 1. Introduction 1.1 Our Contributions 1.2 TFM Incentive-Compatibility Notions: A Cheat Sheet Definitions 2.1 Transaction Fee Mechanism 2.2 Incentive Compatibility Notions Preliminary: Myerson’s Lemma Warmup: Impossibility of UIC + MIC + Global SCP for Deterministic Mechanisms Impossibility of UIC + MIC + Global SCP for Randomized Mechanisms and 5.1 Proof … Read more

This guide unpacks the multi-cloud approach—its benefits, challenges, and key differences from hybrid cloud. Learn 5 success factors, including governance, vendor-neutral design, and cross-cloud DR. Discover how N2W simplifies multi-cloud backup, testing, and cost control across AWS, Azure, and beyond.

Table of Links Abstract and I. Introduction II. Methodology III. Experimental Results IV. Conclusion and Future Works, and References III. EXPERIMENTAL RESULTS The system consists of a consumer-grade IMU mounted on the heel of the shoe (as shown in Fig.3) with the transmission speed at 100 Hz via wireless mode to the laptop for logging … Read more