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Bartosz Mikulski
Building trustworthy data pipelines because AI cannot learn from dirty data
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PySpark-Check - data quality validation for PySpark 3.0.0
Last week, I was testing whether we can use AWS Deequ for data quality validation. I ran into a few problems. First of all, it...
The problem with software testing in data engineering
What if we found a bug in our data pipelines? What if that bug were easy to fix, but it would require a lot of...
Data flow - what functional programming and Unix philosophy can teach us about data streaming
What does stream processing have in common with functional programming and Unix?
Four books to boost your programmer career
I quit my dream job because of a book
All Stories
How to deploy a REST API AWS Lambda using Chalice and AWS Code Pipeline
How to create a REST API Endpoint using AWS Lambda, Chalice, and AWS Code Pipeline
How to deploy a Tensorflow model using Sagemaker Endpoints and AWS Code Pipeline
How to build a Docker image using AWS Code Pipeline and deploy it as an Sagemaker Endpoint
How to deal with days of the week in machine learning
How to encode week days as features for machine learning models
On technical blogging
How to start blogging as a programmer
Why do we use dropout in artificial neural networks?
How does dropout work in artificial neural networks?
How to measure Spark performance and gather metrics about written data
How to track Spark metrics in AWS CloudWatch
How to use AWS Batch to run a Python script
How to build a Docker image, define an AWS Batch job using Terraform, and run the AWS Batch job using Airflow
Anomaly detection in Airflow DAG using Prophet library
How to detect problems in Airflow pipeline using Prophet for time series anomaly detection
How to test REST API contract using BDD
Testing a REST API using Behave in Python
Testing data products: BDD for data engineers
How to use BDD to test PySpark code
Definition of done for data engineers
When can data engineers be sure that they have done the task?
Don't learn another programming language
Should you learn a new programming language this year?
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