DEV Community • 2026-05-06 07:17

Designing a Transaction ID for a Payment System: What I Learned

Recently, I worked through the design of a 10-character customer-facing transaction ID. It looks trivial. It is not. Here's the journey, and the design that survived. THE CONSTRAINTS Exactly 10 characters Alphanumeric Globally unique, forever Customer-facing — read aloud, typed on phones, screenshotted, dictated to support agents That last point is what makes this hard. An internal...

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3m read
Seven principles of real memory for AI agents
DEV Community • 2026-05-06 07:15

Seven principles of real memory for AI agents

Part 2 of 3 — "Memory for AI agents" Architecture. Concrete. With formulas and lifecycle. Article In the previous post I broke the "RAG = memory" pitch into three uncomfortable problems: a chunk doesn't know it's a chunk; retrieval has no structure, only cosine; time doesn't exist as a first-class concept. In short — RAG is search wearing the marketing word "memory." Today — wh...

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16m read
AI firms should face 'minimum wage for robots' to limit job cuts, says tech boss
newest submissions : multi • 2026-05-06 07:13

AI firms should face 'minimum wage for robots' to limit job cuts, says tech boss

submitted by /u/Just-Grocery-2229 to r/technology [link] [comments]

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1m read
newest submissions : multi • 2026-05-06 07:06

I built an app for the anxiety of walking into therapy unprepared. Free forever, runs offline.

I kept showing up to therapy sessions and blanking. Forty-five minutes would pass. I’d leave feeling like I wasted it. Then on the drive home, everything I actually wanted to say would come flooding back. I built Prelude for that. It’s a voice agent that has a short conversation with you before your session to surface what’s actually on your mind. After the conversation it generates a structured b...

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1m read
DEV Community • 2026-05-06 07:06

Forkline: Building AI runners for engineering teams

Most AI tooling conversation still treats coding agents as private developer tools. I became more interested in the company workflow around that work: tickets, repos, PRs, CI, review, and the feedback loop that tells the team what happened. That is the reason Forkline exists. We are launching at $2.50/month during a 75% promotion because AI runners only matter if small teams can afford to use the...

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3m read
DEV Community • 2026-05-06 07:05

LeetCode 819: Most Common Word — Simple Explanation with Carry Logic (Java)

Difficulty: Easy Topics: Array, Math, Hash Table, String, Counting Platform: Leetcode Problem Statement Given a string paragraph and a string array of the banned words banned, return the most frequent word that is not banned. It is guaranteed there is at least one word that is not banned, and that the answer is unique. The words in paragraph are case-insensitive and the answer shoul...

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4m read
China hosts Iran's top diplomat just days ahead of Trump's high-stakes visit
newest submissions : multi • 2026-05-06 07:04

China hosts Iran's top diplomat just days ahead of Trump's high-stakes visit

submitted by /u/Curious_Cousin_me to r/worldnews [link] [comments]

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1m read
Try the MindMapVault FOSS Interactive Canvas (Privacy‑First, Local‑Only Mind Mapping)
DEV Community • 2026-05-06 07:01

Try the MindMapVault FOSS Interactive Canvas (Privacy‑First, Local‑Only Mind Mapping)

MindMapVault FOSS is a privacy‑first, local‑only mind‑mapping app with a minimalist canvas and zero cloud dependencies. No accounts, no telemetry, no lock‑in. This one is not part of the numbered series. This is a direct invitation from an engineer building in public: open the live demo, test it hard, and tell me what you think. Try the interactive demo Interactive canvas demo: ht...

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1m read
Nobody Talks About How Lonely Being a Developer Can Be
DEV Community • 2026-05-06 07:00

Nobody Talks About How Lonely Being a Developer Can Be

You fixed the bug. The one that had been eating your brain for two days straight. You lean back. You want to tell someone. You look around and realize there is nobody to tell. Your family would smile and nod. Your non-dev friends would say "nice!" and immediately change the subject. Your teammates are buried in their own tickets. So you just close the tab and move on. That moment right there. T...

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7m read
Hacker News: Front Page • 2026-05-06 06:53

.de domains were 'down' for 2 hours

Article URL: https://status.denic.de/pages/incident/592577eab611ce1e0d00046f/69fa60ef9d12f5057a974f38 Comments URL: https://news.ycombinator.com/item?id=48033118 Points: 4 # Comments: 1

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1m read
What's new in Prompt Optimizer: latest features and improvements
DEV Community • 2026-05-06 06:52

What's new in Prompt Optimizer: latest features and improvements

The Struggle: Why Generic Optimization Fails I spent six months debugging why our token reduction pipeline was destroying prompt intent. We had a solid optimization engine that cut tokens by 35%, but the outputs were drifting. A code generation prompt would lose its security constraints. A creative writing prompt would become mechanical. A data analysis prompt would hallucinate. The pr...

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10m read
DEV Community • 2026-05-06 06:52

Leveling up: Adding SQLite Persistence to my Rust Guessing Game

Introduction I recently started my journey with Rust by following the famous "The Book" (The Rust Programming Language). After completing the Guessing Game tutorial, I decided to take it a step further by adding a way to record and save game results. The Project Initially, the game would forget everything once it closed. To fix this, I integrated SQLite so that every win is ...

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1m read
Rachel Reeves and Scott Bessent argued in person about Iran war, sources say
newest submissions : multi • 2026-05-06 06:45

Rachel Reeves and Scott Bessent argued in person about Iran war, sources say

submitted by /u/ShadowNelumbo to r/worldnews [link] [comments]

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1m read
/r/ReactJS - The Front Page of React • 2026-05-06 06:44

Hi guys how do i implement this in react.

submitted by /u/kushal21346 [link] [comments]

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1m read
[News] TSMC Reportedly Upgrades Central Taiwan 28/22nm Fab to 4nm; Phase 2 1.4nm Trial Production May Start 3Q27
newest submissions : multi • 2026-05-06 06:44

[News] TSMC Reportedly Upgrades Central Taiwan 28/22nm Fab to 4nm; Phase 2 1.4nm Trial Production May Start 3Q27

submitted by /u/charliehu1226 to r/hardware [link] [comments]

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1m read
DEV Community • 2026-05-06 06:40

Building chat infrastructure for 3M users on shaky 3G: architecture decisions we made with Kupu

Everyone knows big names like LinkedIn, Indeed, and Glassdoor. But in Southeast Asia, a new wave of phone-first apps is taking over. This follows the massive success of "Direct Chat" apps in China, like Boss Zhipin (China's leading direct-talk recruitment app). Now, platforms like Kupu are changing how millions of people find work in Indonesia. In today’s fast world, the gig economy is evolving r...

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6m read
Build an Intent-Based LinkedIn Outreach System in an Afternoon
DEV Community • 2026-05-06 06:39

Build an Intent-Based LinkedIn Outreach System in an Afternoon

I got tired of cold-outreach tools that scrape lists and spray sequences. The reply rates are awful (~0.3% on cold), the recipients hate it, and as a builder it feels like the wrong shape of problem. So I built the inverse: a system that waits for someone to signal they're in-market — a comment on a competitor's launch post, a job change, a public post saying "open to senior backend roles" — and ...

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11m read
newest submissions : multi • 2026-05-06 06:37

I got tired of context switching for common tools so I made them an always on top suit for Windows

It started with a simple frustration. Every time I needed to take a quick note, check my tasks, or check my calendar, I had to stop what I was doing, Alt+Tab, find the right app, do the thing, then try to remember where I was and come back That context switch sounds small but it adds up to a lot of lost focus and eye strain. So I built FlowFloat, just launched on Microsoft Store. It's a free dark ...

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1m read
DEV Community • 2026-05-06 06:35

Code Story: Building a Custom LangChain 0.30 Agent for Jira Ticket Automation

In 2024, the average backend engineer spends 14.2 hours per week on Jira ticket triage, status updates, and mindless administrative toil—time that should be spent shipping features. This number comes from a Stack Overflow 2024 survey of 12,000 developers, and it’s even higher for teams with legacy Jira configurations (18 hours/week). After benchmarking every major LLM agent framework (LangGraph, L...

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18m read
DEV Community • 2026-05-06 06:35

Why Python Became the Default Language for AI?

Python did not become the dominant AI language because it was the fastest or the most powerful. It became dominant because it was the most practical. That distinction matters a lot if you work in this space. Today, almost every major AI framework - TensorFlow, PyTorch, scikit-learn, Hugging Face Transformers, ships Python as its primary interface. When researchers publish new models, the code is ...

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6m read
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