Author: user

Equities and Investments or Stocks and Shares

(1) A company declares an annual dividend of 8% on its 10$ stock. How much money is required to buy…

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PySpark @ Freshers.in

Counting Null or None or Missing values with Precision in PySpark.

This article provides a comprehensive guide on how to accomplish this, a crucial step in data cleaning and preprocessing. Identifying…

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PySpark @ Freshers.in

How to derive the schema of a JSON string in PySpark

The schema_of_json function in PySpark is used to derive the schema of a JSON string. This schema can then be…

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Reversing strings in PySpark

PySpark, the Python API for Apache Spark, is a powerful tool for large-scale data processing. In this guide, we explore…

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PySpark @ Freshers.in

Duplicating rows or values in a DataFrame

Data repetition in PySpark involves duplicating rows or values in a DataFrame to meet specific data analysis requirements. This process…

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CoffeeScript @ Freshers.in Training

Understanding variable declaration in CoffeeScript: Navigating the absence of var”

CoffeeScript, a language that compiles into JavaScript, offers a unique syntax that often simplifies and enhances the readability of code….

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python @ Freshers.in

Tracking server response time with Python

In the digital age, server performance is a cornerstone of user experience. Understanding and monitoring server response times is critical…

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PySpark @ Freshers.in

PySpark function that is used to convert angle measures from degrees to radians.

Within its extensive library of functions, radians plays a crucial role for users dealing with trigonometric operations. The radians function in…

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PySpark @ Freshers.in

PySpark function that is used to extract the quarter from a given date.

The quarter function in PySpark is used to extract the quarter from a given date, aiding in the analysis and…

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PySpark @ Freshers.in

Raising each element of a column to the power of a specified value in PySpark

In PySpark, the pow function is used to raise each element of a column to the power of a specified…

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