Month: June 2025

The HackerNoon Newsletter: How to Connect an Express Application to Postgres Using Sequelize (6/21/2025)

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How are you, hacker? 🪐 What’s happening in tech today, June 21, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, McCormick Patented Grain Reaper in Virginia in 1834, ‘Manchester Baby’ Became the First Stored-Program Computer in 1948, IBM Retireed the Last “STRETCH” Supercomputer in 1981, Two New Pluto … Read more

Samsung’s entry-level Galaxy Watch 7 has returned to its best price to date

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Image: The Verge I jumped on the smartwatch bandwagon a bit late, but now I can’t go a day without mine. Beyond delivering helpful notifications, it’s perfect for setting timers, tracking workouts, and monitoring my sleeping habits (which are terrible). If you haven’t yet joined the smartwatch party or you’re looking to upgrade, Samsung’s Galaxy … Read more

ARK Invest Dumps $146.3M More Circle Shares After Meteoric 670% IPO Surge

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ARK Invest unloaded another round of shares of Circle (CRCL) across its ETFs just two weeks after the stablecoin issuer’s high-profile IPO. The biggest cut came from the flagship ARK Innovation ETF (ARKK), which sold 490,549 shares, or about 1.8% of the portfolio. ARK Next Generation Internet ETF (ARKW) and ARK Fintech Innovation ETF (ARKF) … Read more

CoinMarketCap Briefly Exploited With Wallet Phishing Pop-Up Message

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Hackers exploited a vulnerability in CoinMarketCap’s front-end system, using a seemingly harmless doodle image to inject malicious code that triggered fake wallet verification pop-ups across the site. The breach, confirmed by CoinMarketCap, used its backend API to deliver a manipulated JSON payload that embedded JavaScript into the homepage according to blockchain security firm Coinspect Security. … Read more

The Verge’s guide to Amazon Prime Day 2025

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Amazon’s mega sale is nearly upon us. This year, Prime Day will kick off on July 8th and run through July 11th, which, for those counting, is twice as long as previous years. Most everything else will likely be the same — well, aside from Amazon’s so-called “Today’s Big Deals” feature — making it a … Read more

ADA Falls 4% on Heavy Volume, but Cardano’s Upcoming Leios Upgrade Keeps Hopes Alive

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Cardano’s ADA ADA token came under pressure Saturday, falling to $0.5818 and extending its weekly losses despite renewed focus on the network’s Leios upgrade. ADA declined 3.77% over the past 24 hours, with volume spiking 38.39% above the 7-day average, according to CoinDesk Research’s technical analysis model. On Thirsday, Input Output Global (IOG), the research … Read more

How to Connect an Express Application to Postgres Using Sequelize

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Introduction PostgreSQL (shortened as Postgres) is one of the most used databases in building software applications. Postgres is a general-purpose, open-source, object-relational database management system (RDBMS). One of the advantages of using Postgres is its support for both relational (SQL) and non-relational (NoSQL) querying. One way of connecting a database to a web application is … Read more