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Project Tutorial: Analyzing Startup Fundraising Deals from Crunchbase
In this project walkthrough, we'll explore how to work with large datasets efficiently by analyzing startup investment data from Crunchbase. By optimizing memory usage and leveraging SQLite, we'll...
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Deploying Airflow to the Cloud with Amazon ECS (Fargate)
You’ve come a long way. In Part I, you built and tested an ETL pipeline entirely on your local machine using Apache Airflow and Docker. You developed a real DAG that simulated data generation,...
View ArticleIntro to Docker Compose
As your data projects grow, they often involve more than one piece, like a database and a script. Running everything by hand can get tedious and error-prone. One service needs to start before another....
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Project Tutorial: Finding Heavy Traffic Indicators on I-94
In this project walkthrough, we'll explore how to use data visualization techniques to uncover traffic patterns on Interstate 94, one of America's busiest highways. By analyzing real-world traffic...
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How to Learn Python (Step-by-Step)
No one told me how to learn Python the right way, so it was hard for me... but it didn't have to be! A decade ago, I was a fresh college grad armed with a history degree and not much else. Fast forward...
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SQL Certification: 15 Recruiters Reveal If It’s Worth the Effort
Will getting a SQL certification actually help you get a data job? There's a lot of conflicting answers out there, but we're here to clear the air. In this article, we’ll dispel some of the myths...
View ArticleAdvanced Concepts in Docker Compose
If you completed the previous Intro to Docker Compose tutorial, you’ve probably got a working multi-container pipeline running through Docker Compose. You can start your services with a single command,...
View ArticleWhat’s the best way to learn Power BI?
There are lots of great reasons why you should learn Microsoft Power BI. Adding Power BI to your resume is a powerful boost to your employability—pun fully intended! But once you've decided you want to...
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Project Tutorial: Star Wars Survey Analysis Using Python and Pandas
In this project walkthrough, we'll explore how to clean and analyze real survey data using Python and pandas, while diving into the fascinating world of Star Wars fandom. By working with survey...
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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...
View ArticleIntroduction to Kubernetes
Up until now you’ve learned about Docker containers and how they solve the "works on my machine" problem. But once your projects involve multiple containers running 24/7, new challenges appear, ones...
View ArticleKubernetes Services, Rolling Updates, and Namespaces
In our previous lesson, you saw Kubernetes automatically replace a crashed Pod. That's powerful, but it reveals a fundamental challenge: if Pods come and go with new IP addresses each time, how do...
View ArticleKubernetes Configuration and Production Readiness
You've deployed applications to Kubernetes and watched them self-heal. You've set up networking with Services and performed zero-downtime updates. But your applications aren't quite ready for a shared...
View ArticleProject Tutorial: Build an AI Chatbot with Python and the OpenAI API
Learning to work directly with AI programmatically opens up a world of possibilities beyond using ChatGPT in a browser. When you understand how to connect to AI services using application programming...
View ArticleIntroduction to NoSQL: What It Is and Why You Need It
Picture yourself as a data engineer at a fast-growing social media company. Every second, millions of users are posting updates, uploading photos, liking content, and sending messages. Your job is to...
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Project Tutorial: Build a Web Interface for Your Chatbot with Streamlit...
You've built a chatbot in Python, but it only runs in your terminal. What if you could give it a sleek web interface that anyone can use? What if you could deploy it online for friends, potential...
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Hands-On NoSQL with MongoDB: From Theory to Practice
MongoDB is the most popular NoSQL database, but if you're coming from a SQL background, it can feel like learning a completely different language. Today, we're going hands-on to see exactly how...
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How to Learn Python the Right Way
When I first tried to learn Python, I didn’t know what I was doing. Every lesson felt confusing, and I got stuck on simple things. Learning was slow and frustrating. This guide is what I wish I had...
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Introduction to Apache Airflow
Imagine this: you’re a data engineer at a growing company that thrives on data-driven decisions. Every morning, dashboards must refresh with the latest numbers, reports need updating, and machine...
View ArticleBuild Your First ETL Pipeline with PySpark
You've learned PySpark basics: RDDs, DataFrames, maybe some SQL queries. You can transform data and run aggregations in notebooks. But here's the thing: data engineering is about building pipelines...
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