Author: user
Aptitude – Boats and Streams
(1) A boat can travel with a speed of 20 km/hr in still water. If the speed of the stream…
Aptitude – Time and work
Aptitude – Time and work (1) A alone can do a piece of work in 6 days and B alone…
Understanding Monorepo in GitLab: Integrating multiple projects into a unified repository
The concept of a “Monorepo” in GitLab, or in any version control system, refers to a developmental strategy where the…
Duplicating the contents of a string column a specified number of times
The repeat function in PySpark is used to duplicate the contents of a string column a specified number of times….
Extracting specific parts of a string that match a given regular expression pattern using PySpark
The regexp_extract function in PySpark is used for extracting specific parts of a string that match a given regular expression…
PySpark : Replace parts of a string that match a regular expression pattern using regexp_replace
PySpark provides powerful string manipulation capabilities, a crucial aspect of which is regular expression replacement. This article delves into the…
Aptitude-Partnership problems
(1) In a partnership, X invests Rs. 5000 for 9 months, Y invests Rs. 6000 for 6 months, and Z…
Efficiently managing multiline strings in Kotlin
Multiline strings are a common necessity in programming, especially when dealing with large amounts of text or complex string formats….
Reading from a file and creating it if it doesn’t exist using Shell script
We’ll delve into a common yet essential task in Shell Scripting: reading from a file and creating it if it…
Add text to a file, creating the file if it doesn’t already exist in Shell script
Manipulating file content is a routine task in Shell Scripting. This article demonstrates how to add text to a file,…
