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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

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Hacker News • 2026-07-29 22:26

Show HN: Always on visual context for your agents

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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...

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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 ...

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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 ...

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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

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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...

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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.

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ratatop day 2: the memory box, and the lie in `free -h`
DEV Community • 2026-07-29 22:08

ratatop day 2: the memory box, and the lie in `free -h`

Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is free and source-available on Github. Star git-lrc to help devs discover the project. Do give it a try and share your feedback. Yesterday I got the CPU box working in ratatui and wrote up my first impressions coming from Bubble Tea. Today: memory. I assumed this would be the easy one. CPU n...

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Mythos uncovers crypto weaknesses that went unknown for years
Biz & IT - Ars Technica • 2026-07-29 22:07

Mythos uncovers crypto weaknesses that went unknown for years

Separating the chaff from the wheat in Anthropic results is hard. We take a stab anyway.

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DEV Community • 2026-07-29 22:02

We got used to it before we understood it

Swipe and there is food at the door. Swipe and there is a date on Thursday. Swipe and there is a stranger's car outside taking you home. Ask for a function and there is code. Ask for a design and there is a mockup. Ask for a summary of a forty page document and it is done before you have finished reading the first page yourself. None of this felt like a decision. It arrived, and we adapted to th...

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DEV Community • 2026-07-29 22:02

One TPU Chip, Eight Agents: Serving Small Agent Workloads with Raw JAX

Cloud TPU v6e-1 (ct6e-standard-1t, one v6e chip, 32 GB HBM), GCE flex-start, europe-west4-a. vLLM baseline measured 2026-07-21. The workload nobody benchmarks Serving benchmarks optimize for the wrong shape. They report throughput at concurrency 100 with 1,024-token prompts, because that's what a public inference endpoint looks like. A small agent workload looks nothing like that: ...

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DEV Community • 2026-07-29 22:00

Cloud Native Buildpack for AWS Lambda PHP (Bref) - technical detail

In first post of this series, I introduced my Cloud Native Buildpack for AWS Lambda PHP (Bref). Here I want to provide some technical details on how it works so far. Lambda's /var/task problem CNB places the application at /workspace. Lambda requires it at /var/task. And you can't override LAMBDA_TASK_ROOT, as it's a reserved environment variable. The buildpack runs as a non-root u...

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Hacker News • 2026-07-29 21:57

Show HN: Replicant Space – an HTTP API-based game based on the Bobiverse books

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DEV Community • 2026-07-29 21:51

Building Automated Developer Pipelines

Building Automated Developer Pipelines Here is how I automated my LeetCode progress, LinkedIn posting, and ATS resume updates using GitHub Actions and Python! Key Learnings Event-driven automation saves hours. Building in public creates continuous proof of work.

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Hacker News • 2026-07-29 21:47

Show HN: Data structures as containers – sample chapter from my Big O book [pdf]

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WebKit • 2026-07-29 21:46

Release Notes for Safari Technology Preview 249

Safari Technology Preview Release 249 is now available for download for macOS Golden Gate and macOS Tahoe.

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DEV Community • 2026-07-29 21:42

From RAG to Agentic AI. How I Added LangGraph to My Local

In my previous article, I built a fully local RAG assistant Ollama, ChromaDB, LangChain, all running in Docker. It answered technical support questions by searching through documentation and citing sources. It worked. But after using it for a while, I noticed something uncomfortable: it treated every question the same way. Ask it "how to close monthly payroll?" it searches the docs. Fine. Ask it...

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DEV Community • 2026-07-29 21:41

Different Types of Denial of Service (DoS) Attacks & Their Mitigations

Disclaimer: This article is intended for educational purposes related to cybersecurity, defensive security, and authorized security testing only. DoS/DDoS testing should only be conducted against systems, applications, networks, or lab environments where explicit authorization has been provided. Introduction Denial of Service (DoS) attacks target availability by exhausting a system o...

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DEV Community • 2026-07-29 21:39

I made my Go reverse proxy 3.8x faster by fixing one line

I made my Go reverse proxy 3.8x faster by fixing one line I've been building a reverse proxy in Go. Not a hello world one, something meant to sit in production, in the actual path of every request, doing real work on each one before forwarding it along. For a while I didn't think much about its raw throughput. It worked, requests came in, got processed, got forwarded, came back. Then I actually ...

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