There are too many SQL commands and data types to look at all of them in one blog post, so we will...
Author - Walker Rowe
How to Setup a Cassandra Cluster
Here we show how to set up a Cassandra cluster. We will use two machines, 172.31.47.43 and 172.31...
ElasticSearch Joins: Has_Child, Has_parent query
Once again we tackle the complexity and sometimes contradictory documentation of ElasticSearch and...
ElasticSearch Nested Queries: How to Search for Embedded...
ElasticSearch is annoyingly complicated at times. You can run a search and it runs the wrong...
ElasticSearch Search Syntax and Boolean and Aggregation Searches
Here we explain how to do searches in ElasticSearch (ES). ES has a seemingly endless list of search...
Setup An ElasticSearch Cluster on AWS EC2
Here we explain how to setup an ElasticSearch 6.x (ES) cluster on Amazon EC2. The main difference...
How To Write Apache Spark Data to ElasticSearch Using Python
Here we explain how to write Apache Spark data to ElasticSearch (ES) using Python. We will write...
Spark ElasticSearch Hadoop Update and Upsert Example and...
Here we explain how to write Python to code to update an ElasticSearch document from an Apache...
How to Create a Matplotlib Stacked Bar Chart
Here we want to look at the matplotlib stacked bar chart. We will use data on all US Universities...
scikit-learn Permutation Importance
In this post, I’ll show why people in the last U.S. election voted for Trump, which is the...