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- Programming
7 Sites to Practice JavaScript with Real Challenges
HackerEarth, Edabit, CodinGame, Codewars, LeetCode, HackerRank and CodeChef offer free challenges to practice JavaScript online.
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Henrico & Renata - Programming
Framework: what it is, how it works, and which to choose
A framework is a reusable code structure that standardizes and accelerates software development. See the types, examples, and how to pick yours.
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Henrico - Programming
Types of Frameworks: Web, Mobile, Data, and Games
Frameworks are reusable code structures that accelerate projects. Meet the types for web, mobile, data science, games, and IoT.
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Henrico - AI and Data
How to study Machine Learning: methods and resources
To study Machine Learning, start with Python, statistics, and linear algebra, move on to algorithms, and practice on real projects on Kaggle.
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Henrico & Renata - AI and Data
Linear Regression: What It Is, How to Model and Evaluate
Understand linear regression: how it models relationships between variables with a line, predicts continuous values, and is measured with R2 and RMSE.
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Henrico - Security
Gatekeeper: what it is and how it protects digital access
Understand what a Gatekeeper is, the access control mechanism that authenticates users, enforces permission policies and blocks unauthorized access.
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Henrico - Technology and Innovation
Metaverse: what it is, how it works, and what comes next
The metaverse is a shared 3D virtual space that combines virtual reality, augmented reality and blockchain so people can interact, work and trade online.
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Henrico & Renata - Technology and Innovation
Social media in 2026: engagement and SEO guide
To grow on social media in 2026, optimize your profile with SEO, publish short videos, track engagement metrics, and invest in targeted ads.
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Renata