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A driver program holding a SparkContext connects to a cluster manager, which connects to two worker nodes. Each worker node runs an executor with a cache and two tasks. The driver also connects to each executor directly, without passing through the cluster manager.

Notes on Spark: What, Why, How

Tools and platforms
Spark
2026-08-16
 

How This Website Is Built: Quarto, Netlify and the Freeze Setting

Tools and platforms
Quarto
Netlify
2026-08-01
 

Exploring World Bank API and Building a Reusable Fetch Function

Programming
World in data
Python
2026-02-07
 

Rest APIs with Python

Programming
Python
2026-01-12
 

DBT + BigQuery Project Setup Script

Tools and platforms
dbt
BigQuery
2025-12-30
 

Automate Python Scripts in PowerShell with Absolute Paths

Tools and platforms
Python
PowerShell
2025-11-04

Employee Retention Analysis Using Survival Modeling in R (2/2)

HR analytics
Statistics
R
2025-10-19

Employee Retention Analysis Using Survival Modeling in R (1/2)

HR analytics
Statistics
R
2025-10-12
 

Measuring Gap Opening Contributions in Stock Returns Using Python

Finance
Python
2024-09-29

Measuring Gap Opening Contributions in Stock Returns Using DAX

Finance
Power BI
DAX
2024-09-23
 

Measuring Gap Opening Contributions in Stock Returns Using R

Finance
R
2024-09-15
 

Measuring Gap Opening Contributions in Stock Returns Using SQL

Finance
SQL
2024-09-08
 

Exploring Fibonacci Number Generation Methods in Python

Programming
Python
2024-09-01
 

Using SQL Commands in R Environment

Programming
R
SQL
2024-08-25

Process Discovery Techniques

Process analytics
R
2024-08-18
 

The Process of a Process Analytics Project

Process analytics
2024-08-11
 

Intro to Process Analytics

Process analytics
2024-08-04
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