Categories

Jacar categories — explore the topics A rocket whose eyes follow your cursor.
Artificial Intelligence

OpenAI Code Interpreter: Conversational Data Analysis

OpenAI Code Interpreter extends ChatGPT Plus with an isolated Python sandbox: it runs code on demand, reads files you upload (CSV, Excel, PDF, images, ZIPs) and returns results plus charts within the same chat. Sessions are ephemeral and offline, but remarkably effective for exploratory ad-hoc analysis without spinning up a notebook.

Industry 4.0

The Customer Digital Twin: A Strategic Tool

The customer digital twin is a dynamic virtual representation of a real user, built from behavioural data, preferences, and interactions and updated in real time. Unlike a static CRM profile, it anticipates needs, personalises experiences at scale, and supports proactive decisions about each customer relationship.

Architecture

Modules vs. Microservices: The Architecture Battle

Choose modular architecture when your team has fewer than ten people and ships the system as a single unit; choose microservices when separate teams need to deploy independently or when specific components require very different scaling, in exchange for higher operational complexity.

Software Development

Word Choice in Your App: Key to the User Experience

The words in an application are not decoration: they determine whether the user completes the task or abandons it in frustration. Good UX writing demands clarity above all, consistent vocabulary across the interface, tone matched to the audience, and error messages that explain what failed and how to fix it, not just that something went wrong.