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Get React out of my terminal: a case for headless mode
6+ min ago (528+ words) Code agents are fun. I use them every day. They fit neatly into the tools I already use: Bash, Zellij, Git, and more. But if you live in a terminal, a lot of "code agents" feel like hostile web apps…...
Data Science at My MobApp Studio
14+ min ago (225+ words) Market Insights for Our New App The analysis aims to answer key questions: To achieve this, I built a Jupyter Notebook with functions for loading, cleaning, and analyzing the dataset. Alongside the notebook, this blog post summarizes the findings with…...
Do Medo à Maestria: Guia Prático para o Desenvolvedores na era da IA
18+ min ago (751+ words) Se voc" " desenvolvedor e ainda sente um "frio na barriga" ao ouvir falar de IA, ou se acha que ferramentas de chat s'o apenas para gerar c'digo de exemplo, ou mesmo de acha que IA " modinha e esta avesso a…...
The Developer's Guide to API Versioning (What Nobody Tells You Until It's Too Late)
24+ min ago (317+ words) Breaking changes are inevitable. User schemas evolve. Response formats get rationalized. Fields get renamed for consistency. The question isn't whether your API will break clients " it's how gracefully you handle it when it does. Most teams have this conversation too…...
When NASDAQ Freezes: Chaos Engineering a Stock Quotes API with Java and ToxiProxy
26+ min ago (836+ words) I wanted to understand what really happens to a distributed system when things go wrong. So I broke it on purpose. This article walks through a chaos engineering experiment I built around a real-time stock quotes API for NASDAQ-listed companies....
FullAgenticStack WhatsApp-first Anti-Patterns: A Reference Handbook
30+ min ago (1179+ words) Example: Someone with the customer's WhatsApp (stolen phone, cloned chip) requests address change. System accepts just because "it's the customer's number". Effect: Diverted delivery + fraud. Signal: Complete log exposes PII without protection. "Yes" without tying to order/action becomes ambiguity…...
WhatsApp-First Anti-Patterns: A Reference Handbook
33+ min ago (1280+ words) N'mero d" identidade impl'cita, n'o autentica'o perfeita. A'es de risco exigem fric'o progressiva. Exemplo: Algu'm com o WhatsApp do cliente (celular roubado, chip clonado) pede troca de endereo. Sistema aceita s" porque "' o n'mero do cliente". Efeito: Entrega desviada + fraude....
Managing Services in Linux
34+ min ago (225+ words) In this lab, we'll use a number of Linux commands that were already explained during Course 3. Here is a reminder of what these commands do: Additionally, you can combine these commands using the | sign. For example: will first print the…...
Building a Transparent AI Window: My Journey with Gemini API
36+ min ago (381+ words) Introduction I've always been fascinated by futuristic interfaces, the kind you see in sci-fi movies. This project was born from the vision of creating a dynamic, glass-morphism web UI that not only looks cool but also turns your webcam into…...
What MongoDB taught me about Postgres.
40+ min ago (390+ words) Using MongoDB arguably taught me more about Postgres than using Postgres did. Hear me out. Previously, my knee-jerk reaction was to always opt for Postgres when starting a new project. Honestly " reasonably safe bet. But only using Postgres limited my understanding…...