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PySpark @ Freshers.in

How to create an array containing a column repeated count times – PySpark

For repeating array elements k times in PySpark we can use the below library. Library : pyspark.sql.functions.array_repeat array_repeat is a…

Oops @ Freshers.in

OOPS interview questions for freshers and experienced

1. What is OOPS? OOPS is abbreviated as Object Oriented Programming system in which programs are considered as a collection…

AI for Solving Quantitative Reasoning Problems – Minerva

Google AI Introduces Minerva: A Natural Language Processing (NLP) Model for solvingĀ  Mathematical Questions Solving mathematical and scientific questions was…

Apache Airflow

Airflow dags not getting refreshed/updating. How to do it manually?

Once we created DAG in Airflow, we expect it to get refreshed the same time. Once we refresh the Airflow…

Docker Interview Questions and Answers for Experienced and Freshers

1. Can you explain how Docker is advantageous over Hypervisors? Docker is advantageous in the below ways 1. It is…

pyplot : Sample code to draw a graph using python like MATLAB.

matplotlib.pyplot is a collection of functions that make matplotlib work like MATLAB. pyplot function can creates plotting area in a…

SQL @ Freshers.in

What are the Aggregate functions in SQL ?

Aggregate functions are the function that is used to compute against a “returned column of numeric data” from your select…

Computer Organization and Software Systems

Which of the following statements about threads on a uniprocessor system is TRUE or FALSE? BITS COSS

Which of the following statements about threads on a uniprocessor system is TRUE or FALSE. Provide justification for your choice….