What is ‘lateinit’ Variable in Kotlin?
In Kotlin, you can declare a property or variable as 'lateinit' (short for "late initialization")…
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September 16, 2023
How to use -D parameter or environment variable to Spark job?
The -D parameter with spark-submit is used to set environment variables to a Spark job.…
August 31, 2023
How to Solve docker-credential-desktop executable file not found in $PATH
How to solve the Docker login error "Error saving credentials: error storing credentials - err:…
August 30, 2023
Spark – Stop INFO & DEBUG message logging to console?
Problem: In Spark, wondering how to stop/disable/turn off INFO and DEBUG message logging to Spark…
August 28, 2023
Pandas Series.mean() Function
In Pandas, the Series.mean() function is used to compute the mean or average value of…
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June 27, 2023
Pandas Get the Number of Rows
You can get the number of rows in Pandas DataFrame using len(df.index) and df.shape[0] properties.…
June 14, 2023
MongoDB vs MySQL Differences
MongoDB and MySQL are both powerful database management systems hence, it is important to know…
May 3, 2023
MongoDB find() using in ($in Operator)
In MongoDB, find() using in ($in operator) is used to match documents where the field…
April 16, 2023
Explained apply Functions in R with Examples
What is an apply function in R and explain how to use apply functions with…
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January 31, 2023
Why Hive Table is loading with NULL values?
Problem: I created a new managed table in Hive and tried loading the data to…
January 3, 2023