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Hacker News · Technology

America Lost the Mandate of Heaven

Article URL: https://geohot.github.io//blog/jekyll/update/2026/04/18/america-mandate-of-heaven.html Comments URL: https://news.ycombinator.com/item?id=47814073 Points: 6 # Comments: 2

mefengl
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Why 90% of ML Engineers Struggle in Real-World Systems
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DEV Community · Technology

Why 90% of ML Engineers Struggle in Real-World Systems

Most ML engineers don’t fail because they lack knowledge. They fail because they’re solving the wrong problem. 🚨 The Hard Truth Most ML engineers are trained to: Optimize models Improve accuracy Tune hyperparameters But real-world systems don’t fail because of bad models. T...

Siddhartha Reddy
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AWS ChatBot
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DEV Community · Technology

AWS ChatBot

Chatbot with Amazon Bedrock Agent + Knowledge Base RAG — Ecological Laundry How we built a conversational AI assistant for an eco-friendly laundry using Amazon Bedrock Agent, Knowledge Base RAG, AWS Lambda and a 100% static landing page — without servers, without heavy frameworks, without complicati...

YUVARAJ. R
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The Multi-Model Reality: Why Enterprise AI Needs a Unified Gateway in 2026
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DEV Community · Technology

The Multi-Model Reality: Why Enterprise AI Needs a Unified Gateway in 2026

The Problem Every AI Team Faces in 2026 You're building the next generation of AI-powered products. Your engineering team is excited. You've evaluated the models: GPT-5 from OpenAI — best for reasoning and complex tasks Claude 4.5 from Anthropic — exceptional for long-context analysis...

nafgma2020
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AWS Observability vs OpenTelemetry
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DEV Community · Technology

AWS Observability vs OpenTelemetry

observability After using AWS-native observability (CloudWatch/X-Ray) as my default choice for nearly a decade, I recently implemented an open-source observability stack for a greenfield project. Here's what I learned about when to use each approach. Why I Explored OpenTelemetry For the past 9 year...

YUVARAJ. R
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Top 10 Free APIs to Build Profitable Side Projects
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DEV Community · Technology

Top 10 Free APIs to Build Profitable Side Projects

Top 10 Free APIs to Build Profitable Side Projects As a developer, you're constantly looking for ways to create innovative and profitable side projects. One of the best ways to do this is by leveraging free APIs. In this article, we'll explore the top 10 free APIs that you can use to buil...

Caper B
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How I Passed the CKAD Exam
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DEV Community · Technology

How I Passed the CKAD Exam

Kubernetes is an open source container orchestration platform used to manage microservices at scale. It abstracts containers, creates replicas for apps, provides load balancing, and helps attach volumes. It manages secrets for credentials and provides config maps for effectively injecting environmen...

Nikhil Reddy
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WebRTC vs WebSocket Explained: When to Use What (A Real-World Story)
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DEV Community · Technology

WebRTC vs WebSocket Explained: When to Use What (A Real-World Story)

If you’re building real-time apps, you’ve probably heard of WebSocket and WebRTC. At first, they seem similar: Both enable real-time communication Both avoid constant HTTP requests Both feel “live” But in reality? They solve very different problems. Let’s break it down the simplest way possibl...

Abdullah al Mubin
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Father of man who inspired Super Mario was also named Luigi, researcher finds
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The Guardian · World

Father of man who inspired Super Mario was also named Luigi, researcher finds

Elisabeth Zetland, a senior researcher at MyHeritage, found that the actual Luigi has immigrated to US from ItalyThe Washington state businessman who inspired Nintendo to give the name Mario to its mustachioed, superhero plumber did not have a brother named Luigi like the fictional video game star f...

Ramon Antonio Vargas
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Young Bulgarians hold out for change in eighth election in five years
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The Guardian · World

Young Bulgarians hold out for change in eighth election in five years

Voters broadly split along generational lines as pro-Russian former president leads in pollsAnna Bodakova’s days tend to be rather hectic at the moment. Hopping between meeting voters on the street, political debates and recording videos for social media, the 23-year-old is standing to become an MP...

Eden Maclachlan in Sofia
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How to Always Reply from Your Custom Domain Email in Gmail
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DEV Community · Technology

How to Always Reply from Your Custom Domain Email in Gmail

You’ve done the hard work. You followed the steps in the earlier post to get a free professional custom domain email, configured your routing, and now inquiries are neatly flowing into your Gmail inbox. But then, a classic mistake happens: you get a message, hit reply, fire off a quick response, an...

Richard Djarbeng
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Meshes
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DEV Community · Technology

Meshes

Every SaaS team builds the same integration code. Your signup event needs to reach HubSpot. Your payment failure needs to alert Salesforce. Your cancellation needs to trigger Intercom. So engineering teams write custom handlers, add retry logic, debug silent failures at 3am, and maintain it all fore...

Todd Meshes
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Broken Access Control Full Server Compromise
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DEV Community · Technology

Broken Access Control Full Server Compromise

🔴 What Is Broken Access Control? Access Control defines who can do what in an application. When it breaks, a regular user can: Read another user's private data Modify or delete resources they don't own Access admin functions Escalate privileges to full server compromise According to OWASP, 94%...

CAISD
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Hacker News · Technology

Category Theory Illustrated – Orders

Article URL: https://abuseofnotation.github.io/category-theory-illustrated/04_order/ Comments URL: https://news.ycombinator.com/item?id=47813668 Points: 9 # Comments: 0

boris_m
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Why is IPv6 so complicated?
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Hacker News · Technology

Why is IPv6 so complicated?

Article URL: https://github.com/becarpenter/misc/blob/main/why6why.md Comments URL: https://news.ycombinator.com/item?id=47813631 Points: 34 # Comments: 12

signa11
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The Developer Who Reviews Everything and Ships Nothing
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DEV Community · Technology

The Developer Who Reviews Everything and Ships Nothing

You've seen this person. Maybe you've worked with them for years. They leave 40 comments on your PR. Variable names, spacing philosophy, whether your abstraction is "truly necessary," a link to a 2014 blog post about hexagonal architecture. The review sits open for a week. Then two. Meanwhile, the...

Adam - The Developer
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Should We Still Care About Our Code?
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DEV Community · Technology

Should We Still Care About Our Code?

As part of a new feature, I was looking at a "Human in the Loop" wrapper: func (h *HITLWrapper) Exec( ctx context.Context, startTime time.Time, input any, debug bool, hook *taskengine.HookCall, ) (any, taskengine.DataType, error) That’s a lot of code... but it’s not the...

Alexander Ertli
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