Prometheus + Grafana Turns Your Go App into a Real-Time Dashboard of Truth

1. What are Metrics and Why They’re Important Metrics are numerical measurements collected at regular intervals that provide insights into your application’s behavior, performance, and health. Unlike logs which capture discrete events, metrics track values that change over time, allowing you to observe patterns, trends, and anomalies. 2. Metrics in Prometheus Format and Why Use … Read more

Real Growth Isn’t About More Discipline — It’s About Deeper Clarity

https://open.spotify.com/episode/6pSjV5zdfjV0kshQ7fRNNa?si=9Le4xI0BQpmGEhPlFPXidg&embedable=true Your bookshelf is full of half-read self-help books. Your phone has six productivity apps you downloaded and abandoned. Your notes are filled with morning routines you followed for exactly 9 days. I get it. I’ve been there – spending thousands on courses promising transformation while feeling like I was sprinting on a treadmill going … Read more

You’re Probably Cancelling Your Swift Tasks Incorrectly

Swift’s structured concurrency has transformed the way we write asynchronous code. With async/await, expressing complex logic becomes cleaner and more linear. However, to fully leverage Swift’s concurrency, you need a solid grasp of how tasks are created and managed — particularly Task, .task, and their variations. Task: Entering an Async Context from Sync Code The … Read more

The Environmental Impact of eSIM Technology

Every year, over 4.5 billion SIM cards are produced globally, generating approximately 20,000 tons of plastic waste and significant carbon emissions. These impacts arise from the materials used in production, the energy-intensive distribution process, and their eventual disposal. Despite their small size, traditional SIM cards can, therefore, contribute heavily to environmental degradation. With the growing … Read more

Fear of Publicity: Why Tech Startups Miss Out on PR Opportunities

When analyzing how businesses perceive PR, imagine a scale: on the right side, you have brand recognition, audience loyalty, product awareness, lead generation, and post-sale customer support. On the left, there’s the business’s fear of publicity, negative feedback, and even outright hate. Plus, the cost of PR, with results that seem impossible to measure. In … Read more

Hallucinations by Design: Part 4 – Fine-tuning Your Way Out of Vector Nightmares

:::tip The code for all the part in this series is available @ Github ::: I’ve spent the last three articles exposing the uncomfortable truth about embedding models – they hallucinate by design. We’ve seen how these models misunderstand language, contain silent flaws, and why blindly trusting vectors without testing them leads to disaster. Today, … Read more

How to Prompt Engineer Phi-3-mini: A Practical Guide

Prompts are basically our requests or inputs to AI models. Prompt engineering, as the name suggests, is about going a little deeper than basic prompts by creating specialized inputs that (more) effectively guide AI models to produce near-perfect outputs. You don’t necessarily have to use a programming language or an IDE for this, as most … Read more

Your AI Just Got a Brain (and Maybe a Will): A Friendly Intro to Agentic AI

You’ve probably played around with AI tools—ChatGPT, image generators, maybe even some automation stuff. Cool, right? But here’s the thing most people haven’t realized yet: We’re moving from AI that responds… to AI that acts. This shift is what agentic AI is all about. And yeah, that sounds techy—but by the end of this article, … Read more

Refactoring 027 – How to Remove Getters

Unleash object behavior beyond data access TL;DR: Remove or replace getters with behavior-rich methods that perform operations instead of exposing internal state. Problems Addressed 😔 Anemic objects Excessive coupling Lost encapsulation Essence Mutation Law of Demeter violations Information leakage Exposed internals Primitive Obsession Related Code Smells 💨 https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xiv https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-i-xqz3evd https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xiii https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xiv https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xxix https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xiv https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xiii https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-i-xqz3evd … Read more

The HackerNoon Newsletter: How Clapper is Revolutionizing the Creator Economy (4/20/2025)

How are you, hacker? 🪐 What’s happening in tech today, April 20, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, we present you with these top quality stories. From Escape Prompt Hell With These 8 Must-have Open-source Tools to How Clapper is Revolutionizing the Creator Economy, let’s dive … Read more

Escape Through Board Games

Board games you might enjoy Playing board games can reduce stress and draw you into an imaginary world. Included is a list of some board games you can try.  We may not have autonomy over many things, but we have the choice to dream. I am spending a lot of time dreaming now.  One of … Read more

The TechBeat: LangChain Promised an Easy AI Interface for MySQL—Here’s What It Really Took (4/20/2025)

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. ## Embeddings 101: Unlocking Semantic Relationships in Text By @riteshmodi [ 14 Min read ] Text embeddings power AI language understanding. Learn … Read more

Evaluating TnT-LLM Text Classification: Human Agreement and Scalable LLM Metrics

Table of Links Abstract and 1 Introduction 2 Related Work 3 Method and 3.1 Phase 1: Taxonomy Generation 3.2 Phase 2: LLM-Augmented Text Classification 4 Evaluation Suite and 4.1 Phase 1 Evaluation Strategies 4.2 Phase 2 Evaluation Strategies 5 Experiments and 5.1 Data 5.2 Taxonomy Generation 5.3 LLM-Augmented Text Classification 5.4 Summary of Findings and … Read more

Reality Is Flexible: You Just Have to Believe

https://open.spotify.com/episode/0OLwHIsdTh8kdAKBe6H1fV?si=4XoqoxeSRO-VGElzOBexog&embedable=true Most people live as if the world is fixed. They accept circumstances as “just the way things are.” They assume industries can’t be disrupted. They believe systems are too entrenched to change. They see barriers as permanent rather than temporary. This mindset isn’t just wrong. It’s the single biggest limitation keeping you from creating … Read more

Evaluating TnT-LLM: Automatic, Human, and LLM-Based Assessment

Table of Links Abstract and 1 Introduction 2 Related Work 3 Method and 3.1 Phase 1: Taxonomy Generation 3.2 Phase 2: LLM-Augmented Text Classification 4 Evaluation Suite and 4.1 Phase 1 Evaluation Strategies 4.2 Phase 2 Evaluation Strategies 5 Experiments and 5.1 Data 5.2 Taxonomy Generation 5.3 LLM-Augmented Text Classification 5.4 Summary of Findings and … Read more

The Markup Wants to Investigate Companies Like Axon That Expand Their Reach With Public Dollars

Hello World is a weekly newsletter—delivered every Saturday morning—that goes deep into our original reporting and the questions we put to big thinkers in the field. Browse the archive here. What’s up, world? 🤓 I’m Ese Olumhense, one of the latest hires at The Markup. I’ll be reporting on government here: the ways federal, state, and … Read more