Hackernoon

The HackerNoon Newsletter: Sneaky UX Tricks Thatll Make Your Users Fall in Love (3/17/2025)

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How are you, hacker? 🪐 What’s happening in tech today, March 17, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Apple Sues Microsoft for Copyright Infringement in 1997, and we present you with these top quality stories. From Win Your Share of $5000 in the Web3 Development Writing … Read more

Win Your Share of $5000 in the Web3 Development Writing Contest by GetBlock and HackerNoon

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Hey HackerNoon Fam! We’re happy to announce the launch of the Web3 Development Writing Contest, brought to you by GetBlock and HackerNoon! Web3, as we know it today, has become central to mainstream technology discourse—and for good reason. Its potential applications are impossible to ignore, driving the 1,200 Web3 startup funding deals closed in Q1 … Read more

From Rome to the Riviera: Embracing Italy’s eSIM Revolution for Seamless Journeys

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Italy is a land where ancient ruins and renaissance art coexist with modern innovation. As tourists flock to its timeless cities and sun-kissed coasts, they increasingly demand seamless connectivity to enrich their travel experiences. Enter the eSIM revolution—a digital marvel reshaping how visitors stay connected, navigate historic streets, and explore hidden gems. This post takes … Read more

Dave: Not the Hero We Want, But the Hero We Need

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Security has long been a watchword of crypto. Without sophisticated systems, algorithms, and processes that are fiercely resistant to attack, the industry wouldn’t have grown to a $3 trillion + market cap in less than twenty years. Stroll along the first line of defense and you’ll inevitably encounter fraud-proof systems, mechanisms that safeguard against invalid … Read more

Social Discovery Group Officially Named a Great Place to Work in Japan in 2025!

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Social Discovery Group has been officially Certified™ by Great Place To WorkÂŽ in Japan. This recognition is based entirely on employee feedback, highlighting SDG’s dedication to building a strong, trust-based environment that promotes professional growth and innovation. The certification reflects the positive experiences of employees working on Kiseki, SDG’s matchmaking app in Japan. Team members emphasized the … Read more

Overusing Implicit Returns Makes Your Code Harder to Read and Debug

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Your language adds clever features. Making YOU more obsolete TL;DR: Overusing implicit returns makes your code harder to read and debug. Problems 😔 Reduced readability Hidden logic and unclear intent Debugging difficulties Misleading simplicity Over-reliance on syntax Language dependency Loss of explicitness Inconsistent style Solutions 😃 Use explicit returns Break down complex logic Avoid nested … Read more

The 5 Essential Skills Every Leader Should Have (And How to Build Them)

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A leader’s job is tough. From defining the direction in which the company should be headed, making tough decisions, dealing with uncertainty to focusing on hiring the right talent, creating a culture of trust and respect, and building a highly performant team, they are expected to excel in everything. They are constantly challenged to guide, … Read more

Want to Be More Productive? Pretend You Die Every Night

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https://open.spotify.com/episode/6iK22gpUdXQVdALIUJEnTd?embedable=true Die Every Night I’ve been “dying” every night. Not physically, obviously. I’m sitting here typing this letter on a bright Thursday morning. But mentally, I’ve been killing my old self every evening to create space for a new version of me to emerge each morning. This isn’t some weird spiritual practice or manifestation technique. … Read more

Got Data in MongoDB? Here’s the Easiest Way to Move It to Doris

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If you need to use Apache SeaTunnel to synchronize data from MongoDB to Doris, you can follow these steps, which are based on the official documentation of Apache SeaTunnel and best practices provided by the community: I. Environment Preparation Download and Install SeaTunnel: Visit the official GitHub page of SeaTunnel and download the latest stable … Read more

AI’s Data Bottleneck Is Getting Worse—Here’s a New Way to Fix It

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VTS (Vector Transport Service) is an open-source tool developed by Zilliz. It is focused on the migration of vectors and unstructured data. VTS’s core feature is its development based on Apache SeaTunnel, which gives it a significant advantage in data processing and migration. As a distributed data integration platform, Apache SeaTunnel is known for its … Read more

APIs Are Secretly Wrecking Your Website, and You Don’t Even Know It

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Greetings to all who value quality! 🕵️‍♂️✨ Modern web applications are complex multifunctional platforms where the back-end and front-end interact with each other via API. It is very important that these two components work in harmony. But what happens if the API passes unexpected data to the front-end or returns an error in the response? … Read more

I Built an Open-Source ETL to Prepare Data for RAG

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I’ve built an open source ETL framework (CocoIndex) to prepare data for RAG with my friend. CocoIndex is an ETL framework to preapare data for AI applications such as semantic search, retrieval-augmented generation (RAG). It offers a data-driven programming model that simplifies the creation and maintenance of data indexing pipelines, ensuring data freshness and consistency. … Read more

Why Your Browser Knows What You Want Before You Do: A Deep Dive Into Caching

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Caching is a technique in software development to temporarily store application resources, data at a nearby accessible location for efficient retrieval when required. Generally, the resources or data that are frequently used but doesn’t change often are considered good candidates for caching in software design. Caching is implemented to achieve several benefits in software system such … Read more

Roam Powers $ROAM with Token Reversal Pool and New Reward Options

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Roam, the leading decentralized wireless network, has introduced its Token Reversal Pool, now live on the Roam app. This feature allows users to swap $ROAM tokens back into Roam Points, expanding engagement options post-TGE. Conversion rates are dynamic, reflecting averages from the General and Sticker Burning Pools, marking a key update for $ROAM holders. This … Read more

An AI Ark Could Save Human Knowledge—If We Don’t Screw It Up First

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As Artificial Intelligence impacts various fields, it has recently gained attention for its application to enhance productivity and automation. However, there is one more significant use of AI that has not been fully explored: leveraging the technology to protect and store important aspects of human civilization. In a world full of threats like nuclear war, … Read more

Making Sense of Attributed Typed Monographs

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:::info Author: (1) Thierry Boy de la Tour, Univ. Grenoble Alpes, CNRS, Grenoble INP, LIG 38000 Grenoble, France. ::: Table of Links Abstract and 1 Introduction 2 Basic Definitions and Notations 2.1 Sets 2.2 Sequences 2.3 Signatures and Algebras and 2.4 Categories 3 Monographs and their Morphisms 4 Limits and Colimits 5 Drawing Monographs 6 … Read more

Inside Kubernetes Scheduling: How Your Pods Fight for a Place to Exist

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Important note: as almost everything in Kubernetes(further K8s), scheduling, as a process can be customized/extended by user to their demands. In this guide we will talk about kube-scheduler | Kubernetes with default plugins enabled. 1. Inside kube-scheduler What is scheduling In Kubernetes, scheduling refers to making sure that Pods are matched to Nodes so that Kubelet can run them. The central component responsible … Read more

The Age of Maximum Nuclear Deterrence

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With Russia playing hard-to-get-to-ceasefire, President Trump must be getting more worried about ‘nuclear warming’. The question is: going forward as a species, will nuclear weapons always hang over our heads? Here are some trajectories to consider: AGI / ASI will end nukes … or us First things first, either the nuclear threat will always exist, … Read more

Transforming Global Connectivity with Decentralized Internet Infrastructure

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The “Internet” is one of the biggest milestones in the modern era. Can you imagine a single day without internet connectivity? Extremely difficult right? Just like saltless curry! The Internet has made our daily lives easier, as it makes it easier to be up-to-date with news, pay bills, do online work, communicate with your dearest … Read more

Jews in Space: The Beginning of Sci-Fi Race

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Back to basics. “Jews in Space” is one of the most influential articles about science fiction that I’ve ever come across. Now, here’s the thing. Good luck with finding the “patient zero.” I mean, the very first article published. If you’re DYOR, then you’re going to stumble upon some version of it. Just like I … Read more