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Python Practice: 91 Exercises, Projects, and Tutorials
This guide gives you 91 ways to practice Python — from quick exercises to real projects and helpful courses. Whether you’re a beginner or preparing for a job, there’s something here for you. Table of...
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Getting Started with Claude Code for Data Scientists
If you've spent hours debugging a pandas KeyError, or writing the same data validation code for the hundredth time, or refactoring a messy analysis script, you know the frustration of tedious coding...
View Article11 Must-Have Skills for Data Analysts in 2025
Data is everywhere. Every click, purchase, or social media like creates mountains of information, but raw numbers do not tell a story. That is where data analysts come in. They turn messy datasets into...
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Python Projects: 60+ Ideas for Beginners to Advanced (2025)
Quick Answer: The best Python projects for beginners include building an interactive word game, analyzing your Netflix data, creating a password generator, or making a simple web scraper. These...
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How to Use Jupyter Notebook: A Beginner’s Tutorial
Jupyter Notebook is an incredibly powerful tool for interactively developing and presenting data science projects. It combines code, visualizations, narrative text, and other rich media into a single...
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20 Fun (and Unique) Data Analyst Projects for Beginners
You're here because you're serious about becoming a data analyst. You’ve probably noticed that just about every data analytics job posting asks for experience. But how do individuals get experience if...
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Understanding, Generating, and Visualizing Embeddings
Imagine you're searching through a massive library of data science papers looking for content about "cleaning messy datasets." A traditional keyword search returns papers that literally contain those...
View ArticleHow to Become a Data Scientist (Yes, Even in 2025)
The world is becoming increasingly data-driven. Data is one of the most valuable resources a company can have, but without a data scientist, it’s just numbers. Businesses everywhere are looking for...
View ArticleSetting Up Your Data Engineering Lab with Docker
This guide helps you set up a clean, isolated environment for running Dataquest tutorials. While many tutorials work fine directly on your computer, some (particularly those involving data processing...
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Generating Embeddings with APIs and Open Models
In the previous tutorial, you learned that embeddings convert text into numerical vectors that capture semantic meaning. You saw how papers about machine learning, data engineering, and data...
View ArticleInstall PostgreSQL 14.7 on MacOS
In this tutorial, you'll learn how to install PostgreSQL 14.7 on your MacBook using Homebrew, a popular package manager for macOS. The process is straightforward and consists of the following steps:...
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Install PostgreSQL 14.7 on Windows 10
In this tutorial, you'll learn how to install PostgreSQL 14.7 on Windows 10. The process is straightforward and consists of the following steps: Install PostgreSQL Configure Environment Variables...
View ArticleInstall PostgreSQL 14.7 on Ubuntu
In this tutorial, you'll learn how to install PostgreSQL 14.7 on your Ubuntu system. The process is straightforward and consists of the following steps: Update your system packages Install PostgreSQL...
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Running and Managing Apache Airflow with Docker (Part I)
In the last tutorial, we explored what workflow orchestration is, why it matters, and how Apache Airflow structures, automates, and monitors complex data pipelines through DAGs, tasks, and the...
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Running and Managing Apache Airflow with Docker (Part II)
In the previous tutorial, we set up Apache Airflow inside Docker, explored its architecture, and built our first real DAG using the TaskFlow API. We simulated an ETL process with two stages — Extract...
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Measuring Similarity and Distance between Embeddings
In the previous tutorial, you learned how to collect 500 research papers from arXiv and generate embeddings using both local models and API services. You now have a dataset of papers with embeddings...
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18 Best Data Science Bootcamps in 2026 – Price, Curriculum, Reviews
Data science is exploding right now. Jobs in this field are expected to grow by 34% in the next ten years, which is much faster than most other careers. But learning data science can feel overwhelming....
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Best AI Certifications to Boost Your Career in 2026
Artificial intelligence is creating more opportunities than ever, with new roles appearing across every industry. But breaking into these positions can be difficult when most employers want candidates...
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PySpark Performance Tuning and Optimization
PySpark pipelines that work beautifully with test data often crawl (or crash) in production. For example, a pipeline runs great at a small scale, with maybe a few hundred records finishing in under a...
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Automating Amazon Book Data Pipelines with Apache Airflow and MySQL
In our previous tutorial, we simulated market data pipelines to explore the full ETL lifecycle in Apache Airflow, from extracting and transforming data to loading it into a local database. Along the...
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