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Data Science Tutorials

Develop your data science skills with tutorials in our blog. We cover everything from intricate data visualizations in Tableau to version control features in Git.
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Python

Python Hello World: A Beginner’s Guide to Programming

Learn the fundamentals of Python by running the print(“Hello World”) program.

Adel Nehme

June 5, 2024

Data Engineering

Kafka Partitions: Essential Concepts for Scalability and Performance

Partitions are components within Kafka's distributed architecture that enable Kafka to scale horizontally, allowing for efficient parallel data processing.
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Kurtis Pykes

June 3, 2024

Python

Python timedelta: Working With Time Intervals in Python

In Python, timedelta is a data type within the datetime module used to represent durations or differences between two points in time.
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Stephen Gruppetta

June 2, 2024

SQL

How to Create Comments in SQL

Review three methods to add comments in SQL: single-line comments, multiline comments, and inline comments using the following syntax: --, /*, and */.
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Laiba Siddiqui

May 31, 2024

Tableau

A Detailed Guide to Tableau Architecture: Desktop and Server

Learn about the Tableau Desktop and Tableau Server Architectures. Understand the core framework and data layers for advanced data management and insightful analytics.
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Islam Salahuddin

May 31, 2024

SQL

A Comprehensive NoSQL Tutorial Using MongoDB

Learn about NoSQL databases - why NoSQL, how they differ from relational databases, the different types, and design your own NoSQL database using MongoDB.
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Arunn Thevapalan

May 30, 2024

Spreadsheets

Correlation Matrix In Excel: A Complete Guide to Creating and Interpreting

Learn the statistical concept of correlation, and follow along in calculating and interpreting correlations for a sample dataset, in a step-by-step tutorial.
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Arunn Thevapalan

May 30, 2024

Artificial Intelligence

Fine-Tuning Llama 3 and Using It Locally: A Step-by-Step Guide

We'll fine-tune Llama 3 on a dataset of patient-doctor conversations, creating a model tailored for medical dialogue. After merging, converting, and quantizing the model, it will be ready for private local use via the Jan application.
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Abid Ali Awan

May 30, 2024

Artificial Intelligence

How to Run Llama 3 Locally With Ollama and GPT4ALL

Run LLaMA 3 locally with GPT4ALL and Ollama, and integrate it into VSCode. Then, build a Q&A retrieval system using Langchain and Chroma DB.
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Abid Ali Awan

March 21, 2025