Author: user
GitLab vs GitHub: A comprehensive comparison
GitLab and GitHub are two of the most popular platforms for version control and collaboration in the world of software…
Understanding PHP: Echo vs Print – Key Differences and Usage
In PHP, both echo and print are used to output text to the screen, but there are some differences between…
Ratio and Proportion
(1) If the ratio of blueberries to strawberries in a fruit salad is 3:5 and there are 120 strawberries, how…
Games and Races
(1) In a 150 m race, D can beat E by 30 m. In a 200 m race, E can…
Profit and Loss
(1) A shopkeeper sells an item at a profit of 15%. If the cost price of the item is Rs….
Number problems
(1) If the product of a number and 4 is 96 more than the number itself, what is the number?…
Problems on H.C.F and L.C.M
(1) What is the smallest number that when divided by 20, 25, and 30 leaves a remainder of 7? (a)…
Mastering the Pivot function in PySpark : Rotate data from a long format to a wide format
Understanding pivot in PySpark This article aims to elucidate the concept of pivot, its advantages, and its practical application through…
PySpark sorts data within each partition independently : Efficient sorting
In the realm of big data processing with PySpark, managing data efficiently is crucial. sortWithinPartitions emerges as a key method…
How to perform SQL-like column transformations in PySpark : selectExpr
selectExpr, a method that simplifies and enhances data transformation. This article aims to demystify selectExpr, highlighting its advantages and demonstrating…