DEV Community • 2026-04-20 12:24

Why JavaScript forEach() Does Not Work with await (How to Fix It)

Why JavaScript forEach() Does Not Work with await (And How to Fix It) One of the most confusing async problems in JavaScript happens when developers use await inside forEach() and expect everything to run in order. It looks correct. It feels correct. But it breaks in production. This issue appears often in API requests, database operations, email sending, payment processing, and file uploads....

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3m read
Hacker News: Front Page • 2026-04-20 12:23

Atlassian Enables Default Data Collection to Train AI

Article URL: https://letsdatascience.com/news/atlassian-enables-default-data-collection-to-train-ai-f71343d8 Comments URL: https://news.ycombinator.com/item?id=47833247 Points: 4 # Comments: 1

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DEV Community • 2026-04-20 12:23

I Tracked Every LLM API Call For a Week — 65% Were Unnecessary

I've been using GPT-5 and Claude via API for coding tasks — refactoring, code review, architecture questions, debugging. The bill was creeping past $150/month and I had no idea which calls were actually worth the money. Provider dashboards show you totals. Tokens used, dollars spent, done. But they don't tell you which specific calls were unnecessary. Was that $2.80 request for "where is the auth...

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4m read
Email Marketing Do’s And Don’ts For Impactful Campaigns
SitePoint • 2026-04-20 12:22

Email Marketing Do’s And Don’ts For Impactful Campaigns

Essential email marketing do's and don'ts for impactful campaigns. Learn segmentation, AI usage, readability tips, and mistakes to avoid for better results. Continue reading Email Marketing Do’s And Don’ts For Impactful Campaigns on SitePoint.

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DEV Community • 2026-04-20 12:18

Here is Why ‘it works on My Machine’ Is a Communication Bug, not a Code Bug.

Tags: css, beginners, web dev, html Body: “It works on my machine.” That’s what I told my friend when I sent him my first website. On my laptop it was perfectly centered. On his phone? All text hugged the left side. Here’s the bug and the fix, so you save 2 hours. The Code That Broke I used this CSS thinking it was enough: css body { margin: 40px auto; text-align: center; } Result: ...

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1m read
Building an AI companion with persistent memory — Redis + ChromaDB
DEV Community • 2026-04-20 12:16

Building an AI companion with persistent memory — Redis + ChromaDB

📦 Full runnable example: github.com/sm1ck/honeychat/tree/main/tutorial/01-memory — clone, docker compose up, chat with the demo bot on Telegram. Every code snippet below is pulled from that repo. Most AI chatbots still struggle with reliable, queryable long-term recall. Character.AI has pinned and chat memories, but unpinned details can still fall out of the active conversation context. Replika...

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6m read
DEV Community • 2026-04-20 12:14

The Oracle MOS Shortcut: A Life-Saver for P1 Issues

{ Abhilash Kumar Bhattaram : Follow on LinkedIn } If you’ve ever worked on a Priority 1 (P1) "Production Down" event ( which most of us DBA's would have) , you know that every second counts. Navigating through the My Oracle Support (MOS) dashboard can feel like running through sand when you're stressed—the widgets take time to load, the tabs can be laggy, and searching for an SR ID manu...

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2m read
Hacker News: Front Page • 2026-04-20 12:12

Tesla Hid Fatal Accidents to Continue Testing Autonomous Driving (French)

Article URL: https://www.rts.ch/info/monde/2026/article/tesla-dissimule-des-milliers-d-incidents-de-conduite-autonome-mortels-29214161.html Comments URL: https://news.ycombinator.com/item?id=47833156 Points: 43 # Comments: 1

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1m read
Confused between Routing APIs and Route Optimization APIs? This guide breaks down the difference with clear examples, a side-by-side comparison, and when to use each in real applications.
DEV Community • 2026-04-20 12:12

Confused between Routing APIs and Route Optimization APIs? This guide breaks down the difference with clear examples, a side-by-side comparison, and when to use each in real applications.

What Is the Difference Between a Routing API and a Route Optimization API? Alfiya Tarasenko Alfiya Tarasenko ...

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What Is the Difference Between a Routing API and a Route Optimization API?
DEV Community • 2026-04-20 12:11

What Is the Difference Between a Routing API and a Route Optimization API?

If you're building a map-based or logistics application, you’ll likely come across two terms that sound very similar: Routing API and Route Optimization API. At first glance, they may seem interchangeable. Both deal with routes, distances, and travel time. But in practice, they solve very different problems. In simple terms A routing API calculates the path between given points and r...

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5m read
Testing your routes
DEV Community • 2026-04-20 12:09

Testing your routes

If you've been following this tutorial, you'd have the following file structure: Unit testing With unit testing we just want to verify that the tested functions work as expected in isolation, so we will mock database behavior. I like having the tests I write next to the files where the functions reside. file: internal/router/health_test.go package router_test import "...

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9m read
C# Read Excel Files: 12 Approaches Ranked for Enterprise .NET Development
HackerNoon • 2026-04-20 12:08

C# Read Excel Files: 12 Approaches Ranked for Enterprise .NET Development

12 distinct approaches to reading MS Excel files in C#, each with working code, honest strengths and weaknesses, and a clear enterprise verdict.

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1m read
DEV Community • 2026-04-20 12:06

Why Most Developers Lose Downloads by Skipping App Store Localization

War Diary Entry // Article 2: PAIN Date: April 20, 2026. Status: Frontline Report. Subject: The silent casualty count of unlocalized app store listings. 🕯️ Dawn Patrol: The First Casualties 0300 hours. The dashboard glows cold in the dark. You refresh the numbers again, hoping the algorithm will finally notice your app. It won't. Not like this. I have watched hundreds of developer...

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DEV Community • 2026-04-20 12:05

Mastering Regular Expressions in Go

Go has an inbuilt regexp package which supports regular expression by the RE2 engine. This is because of this single and self-sufficient design choice, Go regexps are safe, predictable and production-ready. RE2 is guaranteed O(n) time with respect to input length, avoiding disastrous backtracking and ReDoS vulnerabilities - even with untrusted user input. 1. Compile vs MustCompile Before matching...

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Hacker News: Front Page • 2026-04-20 12:05

NASA Artemis Posters

Article URL: https://www.nasa.gov/gallery/artemis/ Comments URL: https://news.ycombinator.com/item?id=47833092 Points: 9 # Comments: 1

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DEV Community • 2026-04-20 12:03

Deep Agents: Building Long-Running Autonomous Agents with LangChain's New Framework

Deep Agents: Building Long-Running Autonomous Agents with LangChain's New Framework The era of single-turn, reactive agents is ending. As engineering teams push toward workflows that span hours instead of seconds—internal coding pipelines, multi-stage research synthesis, iterative design systems—the limitations of flat tool-calling architectures become painfully obvious. You cannot orch...

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13m read
TechDistill: A Low-Noise AI Information Extraction Workflow Run with GitHub Actions
DEV Community • 2026-04-20 12:03

TechDistill: A Low-Noise AI Information Extraction Workflow Run with GitHub Actions

As a developer, I've long suffered from developer information overload. I want to keep up with the latest tech trends on GitHub, Hugging Face, and Product Hunt, but I invariably end up wasting hours filtering out the fluff. I tried RSS feed alternatives and various content aggregators, but they merely turned "doomscrolling Twitter" into "clearing hundreds of unread links"—treating the symptoms, ...

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6m read
DEV Community • 2026-04-20 12:02

Zod + LLMs: How to Validate AI Responses Without Losing Your Mind

You ask an LLM a carefully crafted question with a system prompt demanding JSON output. You get back a beautifully formatted response wrapped in triple backticks, prefixed with "Here's the JSON you requested:", and trailing with "Let me know if you need any changes!" The actual JSON is buried somewhere in the middle. Sometimes it's valid. Sometimes it's not. This is the fundamental challenge of b...

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5m read
DEV Community • 2026-04-20 12:00

From Zero to Production: My HNG DevOps Stage 0 Journey

I just completed a hands-on Linux server setup and deployment no Docker, no automation, just raw DevOps fundamentals. Here’s exactly how I approached it: Server Provisioning & Access Spun up a Linux server on the cloud Connected via SSH using key-based authentication Created a secure non-root user: hngdevops Granted sudo privileges Security Hardening Disabled root SSH login Disabled passwor...

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1m read
DEV Community • 2026-04-20 12:00

Why AI Agents Fail at Paid APIs (and How We Fixed 402 Payments)

AI agents can browse, reason, and call APIs. But they can’t pay. That sounds like a small limitation — but it breaks a surprising number of real-world use cases. The problem: 402 Payment Required If you’ve built APIs for agents, you’ve probably run into this: HTTP/1.1 402 Payment Required The idea is simple: your API charges per request the client needs to pay before conti...

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