20769 posts from this source
Introdução Quando começamos a usar nuvem, é comum pensar na máquina virtual como “o computador inteiro”: CPU, memória e o disco onde o sistema operacional está...
Why Partitioning Matters in Spark Example python df.write.partitionBy'year', 'month'.parquet'/sales' This creates folders such as: year=2024/month=01/ Benefits...
Problem Link Merge Sorted Array – LeetCodehttps://leetcode.com/problems/merge-sorted-array/ Solution Java java class Solution { public void mergeint nums1, int...
The Definitive Guide Every Engineering Team Should Adopt Stop fighting over Git. Stop breaking main. Stop losing work. This is the exact workflow used by high‑p...
Complete guide to reading email inboxes programmatically in .NET Core. IMAP and POP3 integration for processing emails, extracting attachments, and managing mai...
!Cover image for What if claude-code lived inside your browser?https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/http...
The Project Manager's Secret Weapon: An Introduction We all know the scene: a new project kicks off, and suddenly you’re drowning in options. No. The most powe...
Whenever we create any resource using Terraform—whether it is an S3 bucket, an EC2 instance, or a security group—we have to pass certain arguments that are spec...
For any app, the database is the backbone of performance and reliability. As your user base grows and data accumulates, the database can become slow and ineffic...
Look, I'll be real with you. JavaScript's Date object is a disaster. Every time I needed to format a date, I'd find myself Googling 'javascript format date' for...
!Cover image for Choosing a Database Isn’t About Hype - It’s About the Stage of Your Producthttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,...
Recently, I decided to put Kiro to the test. I didn’t want to just build a “Hello World” app; I wanted a real, functional tool: a Credit Card Tracker to manage...
Developer onboarding is one of the most expensive bottlenecks in engineering organizations. The average company spends $954 per new hire on onboarding, with eng...
When you work inside real solar fields and battery storage sites every day, you start noticing things others overlook. I maintain BESS yards, inspect inverters,...
When outsourcing software development, businesses often face a key decision: Should they opt for an agency retainer model or a pay‑per‑task model? Both options...
!Cover image for How to Build an AI vs Human Image Detector Using Streamlit & Transformershttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gr...
I took the Certified Professional in Accessibility Core Competencies CPACC exam offered by the International Association of Accessibility Professionals IAAP in...
The Problem That was the verbatim response from our agent as it attempted to execute a coding task. It was a little more verbose in its self‑scolding: > I’ve f...
In the software engineering classes I teach undergraduate and graduate I'm working to help students gain hands‑on exposure to essential tools necessary for real...
Published: December 2025 | Reading Time: 8 minutes Here's a statement that might surprise you: Property management is systems engineering. Property managers—esp...
Understanding the Models What is In-House Software Development? In-house development means building and managing a software team internally within your organiz...
What Actually Happened? According to the internal investigation, the issue was caused by the server being unable to load the build and hanging the system. When...
Features - Dagger powered: production-ready from the start - Convention plugins: write less build code, do more - Supabase and Firebase support: the best of bo...
Introduction In today's digital age, data security is paramount. SQL databases often store sensitive information, making it crucial to implement robust securit...
Python 2 reached its end‑of‑life in January 2020, but many legacy projects still run on it. Migrating to Python 3 is essential to leverage modern features, bett...
Most security awareness training tells employees: “Don’t click suspicious links.” But attackers aren’t just exploiting technical flaws—they’re exploiting human...
Overview A critical remote code execution RCE vulnerability—CVE‑2025‑55182 also tracked as GHSA‑9qr9‑h5gf‑34mp affects React Server Components RSC used by Next...
Introduction This is the second exercise in the AWS CDK 100 Drill Exercises series. For more about the series, see this introduction articlehttps://dev.to/aws-...
Welcome to this week's Top 7, where the DEV editorial team handpicks their favorite posts from the previous week. Congrats to all the authors that made it onto...
Introduction Designing a 911 dispatch and mass notification system is one of the most critical challenges in public safety technology. Lives depend on sub‑seco...
Introduction Blue/Green deployment lets you run two identical instances of an application Blue and Green and switch traffic instantly from the active instance...
What Concepts Resonated Most With Me During the 5‑day intensive, several concepts stood out and helped shape my understanding: - Day 1 – Introduction to Agents...
Abstract This project provides an AWS CDK solution for automated virus scanning of S3 objects using ClamAV. By running the ClamAV daemon clamd as a containeriz...
It all started at 7:30 am on a Sunday. After breakfast—a fried‑egg butty and a cup of Cardemon Ahmed tea—I was scrolling the internet when a voice in my head sa...
Understanding Database Synchronization Database synchronization ensures that multiple databases stay consistent with each other. This is critical for distribut...
Security expectations in Denverhttps://www.ssscamera.com/colorado/denver-co/ are rising fast, and businesses are shifting from traditional keys to smart access...
Forem Communities DEV Community !DEV Community Logohttps://media2.dev.to/dynamic/image/width=65,height=,fit=scale-down,gravity=auto,format=auto/https%3A%2F%2Fd...
Introduction Welcome to this comprehensive guide on Blue‑Green Deployment – a powerful deployment strategy used by companies like Netflix, Amazon, and Facebook...
!Cover image for Starting the Thinking in React Section: Building My usePopcorn Apphttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=a...
The Setup: Why I Chose the RTX 3090 Let’s kick things off with the hardware. I’ve been using an RTX 3090 for a while now; with 24 GB of VRAM it’s a popular cho...
Four-Day Stack Everything Done So Far DSA / Leetcode - Problems solved: 217, 242, 347, 36, 128, 217 again, 238, 125, 167, 15, 704, 74, 153, 121, 11. - Some wer...
Overview The first two days were focused on laying foundations: watching two videos on vectors from 3Blue1Brown and tackling LeetCode problems 217, 242, 1, 347...
Day 2: Low Energy, Work Done Anyway Day 2 wasn’t impressive. I woke up feeling slow, and being at my grandma’s house doesn’t help. It’s one of those environmen...
Part of the CrisisCore Build Log – trauma‑informed systems engineering When I built crisis detection into Pain Tracker, I knew the stakes were high in both dire...
What Are Terraform Data Sources? A data source in Terraform is a read‑only lookup to an existing resource. Instead of creating something new, Terraform queries...
Motivation I never intended to build a scheduling tool. The market is crowded—giants like Calendly, open‑source heroes like Cal.com, and dozens of others. I ne...
In one of my recent projects I needed a reliable way to trigger pipelines whenever new files landed in Azure Blob Storage. Instead of maintaining an ADF pipelin...
I wrote my first line of code in 2024. I didn't grow up with punch cards or floppy disks. I grew up with GitHub Copilot, fibre internet, and AWS regions that sc...
