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The Guardian · World

‘A defeat for Putin’: Ukrainians hope Magyar’s victory will mark new era with Hungary

As Orbán is rejected, there is cautious optimism new leader can restore ties – but issues such as EU accession loom largeLike many Ukrainians, Oleh Kupchak was delighted when Péter Magyar won Hungary’s election last weekend, ending Viktor Orbán’s 16-year grip on power. “We were euphoric. Everyone wa...

Luke Harding in Kyiv 3 days ago

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DEV Community · Technology

Why ownPublicKey() Is Unsafe for Access Control in Compact

Why ownPublicKey() Is Unsafe for Access Control in Compact There's a pattern I see in early Midnight contracts that looks completely reasonable at first glance and is completely broken in practice. It goes like this: store the owner's public key in the ledger at initialization, then check...

Tosh 3 days ago

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DEV Community · Technology

SigNoz Setup Guide - Monitor Server

Environment OS: Ubuntu (snap docker) Docker path: /var/snap/docker/common/var-lib-docker/ SigNoz path: /root/signoz/ SigNoz version: v0.117.1 ClickHouse version: 25.5.6 CPU: No AVX2 support (important — affects configuration) 1. Install SigNoz cd /root git clon...

Anh Hai Newton 3 days ago

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DEV Community · Technology

TimescaleDB Continuous Aggregates: What I Got Wrong (and How to Fix It)

I thought continuous aggregates would solve my crypto data performance problems. They did, for about three weeks. Then the wheels came off, and I spent two months untangling the mess I'd made. If you're using TimescaleDB as your time-series database and thinking about continuous aggregates, read th...

Asaduzzaman Pavel 3 days ago

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DEV Community · Technology

Building Rutiq: Orchestrating the Last Mile with FastAPI, Supabase, Telegram, and Applied AI

Building Rutiq: Orchestrating the Last Mile with FastAPI, Supabase, Telegram, and Applied AI Last-mile logistics is often a silent chaos. If you look closely at the operations of many retail or shipping companies, you'll see a reality built on "trench tech": copy-pasted Excel sheets, What...

Jorge Eduardo Vazquez Trujillo 3 days ago

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Hacker News · Technology

A story about how I dug into the PostgreSQL sources to write my own WAL receiver

Article URL: https://medium.com/@mailbox.sq7/a-long-story-about-how-i-dug-into-the-postgresql-source-code-to-write-my-own-wal-receiver-and-what-53fd251d8f25 Comments URL: https://news.ycombinator.com/item?id=47812973 Points: 3 # Comments: 0

alzhi7 3 days ago

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BBC News · World

Starmer faces 'judgement day' and 'Breakthrough in the Strait'

Pressure is building on Prime Minister Sir Keir Starmer as Lord Mandelson's vetting dominates Saturday's papers.

3 days ago

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BBC News · World

Starmer faces 'judgement day' and 'Breakthrough in the Strait'

Pressure is building on Prime Minister Sir Keir Starmer as Lord Mandelson's vetting dominates Saturday's papers.

3 days ago

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Hacker News · Technology

Show HN: Sfsym – Export Apple SF Symbols as Vector SVG/PDF/PNG

I found myself reaching for SF Symbols' 'Copy Image As…' quite often during agentic design sessions, so I made a command-line tool that the agent can use by itself. It exports Apple SF Symbols as SVG, PDF, or PNG.The vector paths come directly from macOS's symbol renderer. Internally it reaches a p...

olliewagner 3 days ago

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BBC News · World

British man pleads guilty to conspiring to steal $8m in virtual currency

The Scottish 24-year-old admits defrauding at least a dozen companies and their employees across the US.

3 days ago

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BBC News · World

British man pleads guilty to conspiring to steal $8m in virtual currency

The Scottish 24-year-old admits defrauding at least a dozen companies and their employees across the US.

3 days ago

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DEV Community · Technology

Claude Code accounts switcher, Finally!!

Picture this. You've spent time getting Claude Code just right — your skills configured, plugins loaded, MCP servers humming. It feels good. You're productive. Then you switch accounts. Gone. All of it. I have a personal Claude account and a work one. Every switch meant re-authenticating...

Moemen Gaber 3 days ago

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DEV Community · Technology

Building Private NFT Marketplaces on Midnight: Hidden Ownership, Anonymous Trading

Building Private NFT Marketplaces on Midnight: Hidden Ownership, Anonymous Trading NFT ownership on transparent blockchains is a surveillance tool masquerading as a cultural artifact. Every token transfer is publicly logged: who sold, who bought, for how much, and at what time. Any suffic...

Tosh 3 days ago

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DEV Community · Technology

Private AI Inference with Midnight: Proving Model Outputs Without Revealing Inputs

Private AI Inference with Midnight: Proving Model Outputs Without Revealing Inputs Every time you send a query to a language model, a credit scoring API, or a medical diagnosis system, you're sharing your data with the service provider. For consumer applications, this is often acceptable....

Tosh 3 days ago

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DEV Community · Technology

The Timeless Marriage: GoF Visitor, LINQ Expression Trees, and Why 30-Year-Old Patterns Still Ship Code

Patterns Don't Die — They Get Promoted to the Standard Library LINQ: Still Beautiful After All These Years The Marriage: How LINQ Queries Actually Work What Else Can This Marriage Do? HashCodeVisitor: The Simplest Visitor You'll Ever Write DeepEqualsComparer: The Kitchen Fight that Copilot Won The...

Val Melamed 3 days ago

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DEV Community · Technology

(EDA Part-3) Univariate Analysis — Understanding Every Feature One at a Time

Part 3 of 5 — Intermediate In Part 2, we got the patient's file open. Now, it is the time for the real examination. We're going to look at each "organ"—each feature in our dataset — one by one. This is called univariate analysis, which is just a fancy term for looking at one variable at a time....

Shivappa 3 days ago

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DEV Community · Technology

Building Stateful AI Agents with Backboard: A Complete Feature Deep Dive

The AI agents have evolved far beyond simple chatbots. They're evolving into autonomous systems capable of reasoning, remembering, retrieving knowledge, and executing actions. But building such systems from scratch? It usually means stitching together: Vector databases Memory layers Tool orchestr...

Ranjan Dailata 3 days ago

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DEV Community · Technology

I Built a Carbon Footprint Tracker in 48 Hours — Here's How Copilot Saved Me

This is a submission for the Weekend Challenge: Earth Day Edition 🌱 What I Built I built EcoTrack Pro — a beautiful, privacy-first carbon footprint calculator that helps individuals understand and reduce their environmental impact. The problem: Most carbon calculators are either too...

HARD IN SOFT OUT 3 days ago

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DEV Community · Technology

Examlock

ExamLock Secure exams, live classroom workflows, and real-time proctor intervention. DEMO ExamLock is more than a lock screen for tests. It is a full classroom and assessment platform with: A Flutter mobile app for both students and teachers Role-based home layout...

Zheus Leiandre Codez Cajote 3 days ago

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DEV Community · Technology

A declarative CLI framework in Rust

I built a declarative CLI framework in Rust (define your CLI in TOML) Most Rust CLI tools are built with libraries like clap. They’re powerful—but also verbose. After building a few internal tools, I kept running into the same problem: Too much boilerplate for simple commands Repeating argume...

kuangren chu 3 days ago

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DEV Community · Technology

a claude code/codex plugin to run autoresearch on your repository

i built https://github.com/evo-hq/evo for those of you who are autoresearch pilled , or have been meaning to get into autoresearch but dont know how. Its an opensource Claude Code & Codex plugin that optimizes code through experiments you hand it a codebase. it finds a benchmark, runs the bas...

Alok Bishoyi 3 days ago

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DEV Community · Technology

AI startup claims to automate app making but actually just uses humans

When "AI Automation" is Just Human Labor: A Developer's Reality Check The AI landscape is a minefield of hype and promises. As developers, we're constantly sifting through marketing fluff to find the actual signal – the tools, frameworks, and methodologies that genuinely push boundaries a...

Steffen Kirkegaard 3 days ago

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DEV Community · Technology

The Scroll Animation That Was Hiding Our LCP Element

Mobile LCP of 6-7 seconds. Server response of 72ms. The problem was a scroll animation hiding our primary heading at opacity 0 until JavaScript hydrated. Here is what we found and how we fixed it. The numbers did not add up We ran Lighthouse on the Stackra.app homepage. Desktop performance scored...

Luke Beck 3 days ago

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DEV Community · Technology

Java Collections: Everything You Need to Know About the List Interface

1.List Interface : The List interface is part of java.util and extends the Collection interface. It represents an ordered sequence of elements — you can access any element by its position (index). It is Ordered It Allows duplicates Index-based access import java.util.List; import java.util.A...

Arul .A 3 days ago

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