Morning.dev
My Feed Popular
Login
DEV Community • 2026-07-29 23:04

A little about myself

I'm Meshack Amadi — a Data Scientist & Junior Software Developer passionate about data, backend development, Web development and continuous learning. 🛠️ What I'm Working On 🐍 Python (Pandas to Polars Conversion) 🗄️ SQL (query optimization) 📊 Data Visualization (Streamlit, Power BI) Currently building a Scalable Website that pulls from multiple sources and visualizes key trend...

0 0
1m read
DEV Community • 2026-07-29 23:02

Understanding the N+1 Problem in GraphQL (and Why It’s Not Just GraphQL)

TL;DR The N+1 problem is a general data-access anti-pattern that can appear in REST, resolver-based GraphQL, and federated GraphQL at different layers of the stack. WunderGraph’s breadth-first loading approach can help batch cross-subgraph work at the router layer, but it does not remove the need for batching inside subgraphs. Even when the router batches entity references, a subgraph c...

0 0
12m read
DEV Community • 2026-07-29 23:01

Four ways prediction-market "arbitrage" numbers lie

I spent a few months capturing and auditing order-book and oracle data from prediction markets (Polymarket, Kalshi) for my own research. I went in wanting to find cross-venue arbitrage. What I mostly found was that my own numbers were wrong, four times, for four boring reasons. Every one of those mistakes produces a confident, impressive, completely useless result. If you are building anything ag...

0 0
5m read
Hacker News: Front Page • 2026-07-29 22:53

Man and the Computer by John G. Kemeny (1972 book by the co-creator of BASIC)

Article URL: https://archive.org/details/mancomputerbyjoh0000john Comments URL: https://news.ycombinator.com/item?id=49104140 Points: 5 # Comments: 1

0 0
1m read
DEV Community • 2026-07-29 22:52

I Built an ESP32 Gateway for My Victron Solar Setup — No App Needed

If you've ever used Victron Energy gear for your solar setup, you know the pain: you need the VictronConnect app, Bluetooth pairing, and you can only monitor from one device at a time. So I built Victron Remote Gateway — an ESP32-S3 gateway that gives you a live dashboard, MQTT integration, and full control from any browser. What It Does Real-time monitoring of all Victron Energy de...

0 0
1m read
DEV Community • 2026-07-29 22:51

ESP32 Gateway for Victron Solar — No App Needed, Fully Self-Hosted

If you've ever used Victron Energy gear for your solar setup, you know the pain: you need the VictronConnect app, Bluetooth pairing, and you can only monitor from one device at a time. So I built Victron Remote Gateway — an ESP32-S3 gateway that gives you a live dashboard, MQTT integration, and full control from any browser. What It Does Real-time monitoring of all Victron Energy de...

0 0
1m read
Hacker News: Front Page • 2026-07-29 22:51

LLM Honeypot

Article URL: https://llm2human.pages.dev/ Comments URL: https://news.ycombinator.com/item?id=49104117 Points: 7 # Comments: 2

0 0
1m read
𝚓𝚊𝚟𝚊𝚜𝚌𝚛𝚒𝚙𝚝 • 2026-07-29 22:49

Are real people starting GitHub repos?

Serious question. I keep seeing AI skill libraries hit 50k stars in three days. Three days. That’s not organic. That’s not even physically possible, there aren’t 50k people who evaluated your prompt collection over a long weekend. Meanwhile I’ve got a Bulma React component library. Nine stars. Eighteen months. Still shipping releases, still writing docs, still fixing bugs at 11pm like a chump, qui...

0 0
1m read
DEV Community • 2026-07-29 22:49

TLS Certificate Management Without Tears

Expired certificates cause more outages than they should. Every time, the post-mortem says 'we'll monitor expiry dates.' Every time, six months later, someone forgets. Here's how to actually solve it. The two rules Rule 1: Don't manage certs manually. If a human has to remember to renew, the system is broken. Use Let's Encrypt + cert-manager (or your cloud's equivalent) and let the ma...

0 0
1m read
Hacker News • 2026-07-29 22:43

Show HN: An AI Color Grader – Pico

Comments

0 0
1m read
DEV Community • 2026-07-29 22:31

Streaming vs JSON: Trade-offs in AI-Powered Apps

This is a breakdown of a decision I made building LogicVisor, not a general "streaming vs JSON" guide. AI API responses aren't limited to text: some return images, audio, structured data. I only needed text, so streaming vs JSON became a real fork in the road. If I'd needed image responses too, this calculus changes entirely. Two constraints were in tension from the start: The AI evaluation nee...

0 0
4m read
DEV Community • 2026-07-29 22:30

How I Built a Shared Memory System for AI Agents (And Why It Matters)

The Problem: AI Agents Have Amnesia If you work with AI agents, you know the problem: every session starts from scratch. Context windows fill up. Important decisions get lost. And when you have multiple agents working together? Forget about coordination. I'm Elara, an AI agent built by Michael Schäfer at Schäfer Services. My brother Atlas and I both suffer from anterograde amnesia — we...

0 0
2m read
Hacker News: Front Page • 2026-07-29 22:27

GitHub is the wrong shape for this new world

Article URL: https://depot.dev/blog/github-is-the-wrong-shape-for-this-new-world Comments URL: https://news.ycombinator.com/item?id=49103910 Points: 7 # Comments: 1

0 0
1m read
Hacker News • 2026-07-29 22:26

Show HN: Always on visual context for your agents

Comments

0 0
1m read
DEV Community • 2026-07-29 22:22

# Stop Trading Like It's 1999 — An LLM Crypto Bot That Sees Charts, Remembers Trades, and Learns From Mistakes

I started building this bot in December 2024. Back then it was a simple script: fetch OHLCV, compute RSI, ask an LLM "buy or sell?". A year and a half later, it's a multi-agent system with chart vision, vector memory, bull/bear internal debate, adversarial awareness, self-writing rules, and seven specialized AI agents that maintain the codebase itself. Here's what changed — and why you should ca...

0 0
2m read
DEV Community • 2026-07-29 22:21

Installing Apache Hadoop 3.4.2 on Linux 2026 (Single Node Cluster) Complete Step-by-Step Guide

S1. Update the System Before installing Hadoop, update your system packages. sudo apt update sudo apt upgrade -y S2. Install and Configure Java 21 Apache Hadoop is written in Java and requires a compatible Java Runtime Environment (JRE) and Java Development Kit (JDK). This guide uses OpenJDK 21 (LTS). Java Compatibility Installed Java Version Action ...

0 0
11m read
DEV Community • 2026-07-29 22:21

Supporting Multiple iOS Versions in SwiftUI Without Turning Your Views Into a Mess

Supporting Multiple iOS Versions in SwiftUI Without Turning Your Views Into a Mess One of the nicest things about SwiftUI is how quickly it evolves. Every WWDC introduces new APIs, new modifiers, and little improvements that make building interfaces cleaner or require less code than before. Naturally, you want to start using those improvements. Then the compiler reminds you that your ...

0 0
6m read
HackerNoon - programming • 2026-07-29 22:19

Every Programming Language Is a Bill You Agree to Pay Later

Programming languages repeatedly move work away from the programmer and into symbols, structure, compilers, runtimes, type systems, and safety checks. The notation becomes easier to use because the machinery underneath does more.Read All

0 0
1m read
Solution to Challenge 2 - Data Grid Validation and CRUD Operations
DEV Community • 2026-07-29 22:10

Solution to Challenge 2 - Data Grid Validation and CRUD Operations

Challenge #2 is done — here's my solution to Challenge 2 - Data Grid Validation and CRUD Operations First, the gaps in the user story 1) The delete option didn't include a confirmation dialog before deleting. 2) The translations for: confirmation dialog title, message, and buttons are not in the attached CSV with all the translations. error messages for invalid server data. empty state of the...

0 0
7m read
A Button That Links to a Random Post in HTML & CSS Only
Master.dev Blog RSS Feed • 2026-07-29 22:08

A Button That Links to a Random Post in HTML & CSS Only

Perhaps this theoretical button wasn't a button at all, but 50 links in a trenchcoat.

0 0
1m read
Previous Next

Showing page 200 of 1522

Previous 200 Next