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@Thepracticaldev

A constructive and inclusive social network for software developers. With you every step of your journey.

  • 10,510articles · 30d
  • 21+ min agolatest article
  • Aug 14, 2026earliest in window
  • 97%with images
  • 293avg words
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News

DEV Community
dev.to > samhartley_dev > my-cron-job-double-fired-and-placed-the-same-order-twice-heres-my-postmortem-5cib

My Cron Job Double-Fired and Placed the Same Order Twice — Here's My Postmortem

39+ min ago   (879+ words) I keep a Mac Mini in a closet running a handful of small scheduled Python jobs. One of them scans market data on a schedule and, when its rules fire, places tiny orders through an exchange API. Positions are around…...

DEV Community
dev.to > urbanmixo > the-illusion-of-stringlength-how-to-safely-count-unicode-emojis-and-words-in-js-166m

The Illusion of String.length: How to safely count Unicode, Emojis, and Words in JS

4+ hour, 42+ min ago   (173+ words) If you are building a text input that restricts users to a specific character limit (like a tweet, an SMS gateway, or an SEO meta tag), your first instinct is probably to use String.prototype.length. If you are doing…...

DEV Community
dev.to > koda2026 > gen-alpha-is-cooking-why-12-and-13-year-olds-are-out-shipping-adults-with-zero-budget-ain

"Gen-Alpha is Cooking": Why 12 and 13-year-olds are out-shipping adults with zero budget.

4+ hour, 39+ min ago   (548+ words) A few hours ago, a 13-year-old solo developer commented on my article. He looked at my stack, looked at his own stack, and said: "Gen-Alpha cooking harder and harder." He’s right. And I think the tech industry is completely underestimating…...

DEV Community
dev.to > ryan_zhao > ai-safety-and-alignment-building-trustworthy-agents-that-do-not-fail-you-1p6m

AI Safety and Alignment: Building Trustworthy Agents That Do Not Fail You

5+ hour, 19+ min ago   (19+ words) The... Tagged with ai, safety, alignment, ethics....

DEV Community
dev.to > yash_sonawane25 > your-first-aws-production-architecture-from-a-simple-application-to-a-scalable-system-3738

Your First AWS Production Architecture: From a Simple Application to a Scalable System

5+ hour, 22+ min ago   (1081+ words) Most people learn AWS by studying individual services. RDS is a database. But that's not how AWS is used in the real world. In a real project, these services work together to solve one problem: How do we run an…...

DEV Community
dev.to > khg5293 > why-parameterized-queries-matter-for-sql-security-1iem

Why Parameterized Queries Matter for SQL Security

6+ hour, 7+ min ago   (559+ words) SQL injection is one of the classic examples of what can happen when an application mixes user input directly into a database query. The underlying problem is simple. The application expects data. The database may interpret part of that data…...

DEV Community
dev.to > helenanova > i-kept-watching-army-get-scammed-for-bts-tickets-so-i-built-open-source-agent-skills-for-it-5ce2

I kept watching ARMY get scammed for BTS tickets, so I built open-source agent skills for it

7+ hour, 14+ min ago   (348+ words) Every comeback, every tour announcement, the same thing happens. Presale codes drop, tickets vanish in minutes, and the resale chaos begins. And every single time, I watch fans lose money to the same tricks: a "Weverse Shop" site that is…...

DEV Community
dev.to > chovy > openprofilemd-02-answer-the-forty-dating-site-questions-once-43cg

OpenProfile.md 0.2: answer the forty dating-site questions once

7+ hour ago   (277+ words) Every dating site asks the same forty questions, and every one keeps the answers behind its own login. Your birthday, your height, whether you smoke, whether you want children, who you are looking for and how far away. You type…...

DEV Community
dev.to > delehq > what-google-earth-engine-actually-is-and-what-its-capable-of-5ni

What Google Earth Engine Actually Is (and What It's Capable Of)

7+ hour, 2+ min ago   (457+ words) Satellites take pictures of the Earth constantly. Some take pictures of the same spot every single day. Over decades, this adds up to an enormous amount of imagery: what a forest looked like ten years ago versus today, how a…...

DEV Community
dev.to > jun_uen0 > i-banned-claude-from-saying-looks-reasonable-and-it-started-finding-my-blind-spots-491l

I banned Claude from saying 'looks reasonable' and it started finding my blind spots

7+ hour, 20+ min ago   (477+ words) I'm in the middle of launching a SaaS product, and the deliverable from one particular session wasn't code. It was an execution plan, plus the design of the quality gates. In other words: writing down "how we're going to build…...