Featured columns

Spark & PySpark

Column

Apache Spark installation guides, performance tuning tips, general tutorials, etc.

*Spark logo is a registered trademark of Apache Spark.

Code Snippets & Tips

Column

Code snippets and tips for various programming languages/frameworks. All code examples are under MIT or Apache 2.0 license unless specified otherwise.

Tools

Column

Tools, Frameworks installation guide and usage tutorials.

Hadoop, Hive & HBase

Column

Articles about Apache Hadoop, Hive and HBase installation, performance tuning and general tutorials.

*The yellow elephant logo is a registered trademark of Apache Hadoop.

Python Programming

Column

Programming with Python.

Teradata

Column

Tutorials and information about Teradata.

Google Cloud Platform

Column

Data analytics with Google Cloud Platform (GCP). For BigQuery SQL mentioned in the articles, they are all using standard SQL dialect unless specified differently.

ASP.NET Core

Column

Articles about ASP.NET Core 1.x, 2.x, 3.x and 5.0.

Microsoft Azure

Column

Data analytics, application development with Microsoft Azure cloud platform.

Java Programming

Column

Java Programming related.

Data Partition in Spark (PySpark) In-depth Walkthrough

Article

visibility 130,203

thumb_up 28

comment 4

access_time 18 days ago

more_vert

Install Hadoop 3.2.1 on Windows 10 Step by Step Guide

Article

visibility 100,795

thumb_up 65

comment 34

access_time 7 months ago

Install Hadoop 3.2.1 on Windows 10 Step by Step Guide

windows10 hadoop yarn big-data-on-windows-10

more_vert

PySpark: Convert Python Array/List to Spark Data Frame

Article

visibility 85,483

thumb_up 4

comment 6

access_time 3 years ago

python spark pyspark spark-dataframe

more_vert

Install Miniconda and Anaconda on WSL 2 or Linux

Article

visibility 15,960

thumb_up 11

comment 0

access_time 10 months ago

Install Miniconda and Anaconda on WSL 2 or Linux

wsl python

more_vert

Spark - Save DataFrame to Hive Table

Article

visibility 78,275

thumb_up 16

comment 9

access_time 3 years ago

python spark pyspark hive spark-database-connect

more_vert

Install Open JDK on WSL

Article

visibility 41,331

thumb_up 21

comment 2

access_time 3 years ago

java wsl

more_vert

Connect to SQL Server in Spark (PySpark)

Article

visibility 68,776

thumb_up 9

comment 0

access_time 3 years ago

sql server python spark pyspark spark-database-connect

more_vert

PySpark: Convert JSON String Column to Array of Object (StructType) in Data Frame

Article

visibility 71,214

thumb_up 6

comment 0

access_time 3 years ago

python spark spark-dataframe

more_vert

Save DataFrame as CSV File in Spark

Article

visibility 53,080

thumb_up 3

comment 0

access_time 3 years ago

pyspark spark spark-2-x spark-file-operations

more_vert

Remove Special Characters from Column in PySpark DataFrame

code Code

visibility 9,698

thumb_up 4

comment 0

access_time 8 months ago

pyspark python

more_vert

New Feature - Jupyter Notebook

Article

visibility 5

thumb_up 0

comment 0

access_time 12 days ago

kontext jupyter-notebook

more_vert

New feature - Markdown WYSIWYG Editor

Article

visibility 34

thumb_up 0

comment 0

access_time 3 months ago

kontext

more_vert

AWS CDK Python - Add Environment Variables for CodeBuild Pipeline

Article

visibility 265

thumb_up 2

comment 0

access_time 3 months ago

AWS CDK Python - Add Environment Variables for CodeBuild Pipeline

aws aws-cdk devops

more_vert

Error: Muliple files found matching pattern ./*.sql

Article

visibility 12

thumb_up 0

comment 0

access_time 3 months ago

devops sql server azure

more_vert

Error when connecting to oracle database in pyspark

Article

visibility 50

thumb_up 0

comment 3

access_time 3 months ago

pyspark

more_vert

Github Action Az Automation PowerShell: Object reference not set to an instance of an object

Article

visibility 107

thumb_up 1

comment 0

access_time 3 months ago

Github Action Az Automation PowerShell: Object reference not set to an instance of an object

azure-bicep devops powershell

more_vert

Azure Bicep - Allow Azure services and resources to access this resource

Article

visibility 226

thumb_up 1

comment 0

access_time 4 months ago

azure-bicep devops azure

more_vert

Azure Bicep Deploy Error - The 'parameters.properties.storageAccountSubscriptionId' segment in the url is invalid.

Article

visibility 43

thumb_up 0

comment 0

access_time 4 months ago

azure-bicep devops azure

more_vert

Fix Azure CLI Installer Error on Windows

Article

visibility 44

thumb_up 0

comment 0

access_time 4 months ago

azure windows10

more_vert

Hadoop 3.4.0 winutils for Windows 10 (x64)

Article

visibility 398

thumb_up 0

comment 0

access_time 4 months ago

hadoop windows10

more_vert

Diagrams

AWS Elastic Path Based Listener

image Diagram

visibility 3

thumb_up 0

comment 0

access_time 3 days ago

aws

more_vert

Azure Serverless Architecture for Web/Mobile Applications

image Diagram

visibility 20

thumb_up 1

comment 0

access_time 5 months ago

Azure Serverless Architecture for Web/Mobile Applications

azure solution-diagram

more_vert

Forward Proxy and Reverse Proxy

image Diagram

visibility 31

thumb_up 1

comment 0

access_time 6 months ago

cloud-network

more_vert

OAuth 2.0 and OIDC (OpenID Connect)

image Diagram

visibility 22

thumb_up 1

comment 0

access_time 7 months ago

oauth

more_vert

Azure Static Website with Custom Domain via Azure Storage account and CDN

image Diagram

visibility 44

thumb_up 1

comment 0

access_time 7 months ago

Azure Static Website with Custom Domain via Azure Storage account and CDN

azure-storage azure cloud-network

more_vert

Snowflake Object Type Hierarchy

image Diagram

visibility 58

thumb_up 1

comment 0

access_time 6 months ago

snowflake

more_vert

Code

Deploy Azure Automation Runbooks via GitHub Actions

code Code

visibility 108

thumb_up 0

comment 0

access_time 3 months ago

azure-bicep devops azure powershell

more_vert

Flatten Pandas DataFrame after Aggregate

code Code

visibility 395

thumb_up 1

comment 0

access_time 7 months ago

python pandas

more_vert

Pandas DataFrame Group by one Column and Aggregate using MAX, MIN, MEAN and MEDIAN

code Code

visibility 458

thumb_up 1

comment 0

access_time 7 months ago

python pandas

more_vert

Get First Top N Rows in a Pandas DataFrame

code Code

visibility 82

thumb_up 1

comment 0

access_time 7 months ago

python pandas

more_vert