Accessing Elements in R Matrix
Elements in an R matrix can be accessed using square brackets and specifying the row and column indices. R index starts from 1, so the first element is accessed with…
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November 11, 2023
Update Jupyter Notebook or Jupyterlab
You can use the pip or conda to update or upgrade Jupyter Notebook or Jupyterlab to a specific version or the latest version. You can use these steps to upgrade…
October 26, 2023
Install Jupyter Notebook or Jupyterlab on Mac OS
To install Jupyter Notebook or Jupyterlab on a Mac running macOS, you typically use Python and the Python package manager, pip. Jupyter is the most popular open-source interactive computing environment…
October 26, 2023
JupyterLab Error – JupyterLab application assets not found
How to solve JupyterLab Error - JupyterLab application assets not found in "/opt/homebrew/Cellar/[email protected]/3.11.6/Frameworks/Python.framework/Versions/3.11/share/jupyter/lab" There are two solutions to solve the JupyterLab application assets not found issue first, build the Jupyter…
October 26, 2023
Create Java DataFrame in Spark
To create a Java DataFrame in Apache Spark, you'll need to use the SparkSession, which is the entry point for working with structured data in Spark, and use the method…
October 25, 2023
Create Java RDD from List Collection
Let's explore how to create a Java RDD object from List Collection using the JavaSparkContext.parallelize() method within the Spark shell and from the application program. Before we delve into the…
October 24, 2023
Create Spark Java Project in IntelliJ with Maven
How to create a Spark Java Project in IntelliJ and run a Maven build? Running Apache Spark in Java is a viable option, and it can be a good choice…
October 24, 2023
PySpark Install on Linux Ubuntu
How to install PySpark on an Ubuntu server running a Linux-based operating system? This article will walk you through the installation process of PySpark on Ubuntu, and the same instructions…
October 22, 2023
Apache Spark 3.5.0 Most Important Features
Apache Spark 3.5.0 was released by addressing 1,300 issues which includes several significant features and enhancements compared to the previous versions. These features and improvements made Apache Spark 3.5.0 a…
October 20, 2023
What is ‘lateinit’ Variable in Kotlin?
In Kotlin, you can declare a property or variable as 'lateinit' (short for "late initialization") when you want to initialize a non-null value before you try to access it. This…
September 16, 2023
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