All Medium Articles
Split multiple array columns into rows in Pyspark
Suppose we have a Pyspark DataFrame that contains columns having different types of values like string, integer, etc., and sometimes the column data is in… Read More
Picked
Python-Pyspark
Python
Averaging over every N elements of a Numpy Array
In this article, we will learn how to find the average over every n element of a NumPy array. For doing our task, we will… Read More
Picked
Python numpy-Mathematical Function
Python-numpy
Python
Microsoft Interview Experience for SDE-2
Microsoft interview Experience for SDE-2 for Noida location, 2021. I’ll share my experience in this post and I hope it will be beneficial for some… Read More
Microsoft
Experiences
Interview Experiences
Ambiguities in Java
The ambiguities are those issues that are not defined clearly in the Java language specification. The different results produced by different compilers on several example… Read More
Experiences
Internship
Java
Python Pillow Tutorial
sinceDigital Image processing means processing the image digitally with the help of a computer. Using image processing we can perform operations like enhancing the image,… Read More
Python-pil
Python
PayPal Interview Experience for Software Engineer-2 Chennai
Each round happens on a knock-out basis. Round 1 : (Hackerearth based test) [Time : 1h15m] This round had 2 questions.  Given an array of… Read More
PayPal
Experiences
Interview Experiences
Count number of common elements between a sorted array and a reverse sorted array
Given two arrays consisting of N distinct integers such that the array A[] and B[] are sorted in ascending and descending order respectively, the task… Read More
two-pointer-algorithm
Arrays
DSA
Greedy
Mathematical
IN vs EXISTS in SQL
SQL stands for Structured Query Language. SQL is used for retrieving useful information from a large set of data and it is used for storing… Read More
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SQL-Query
SQL
Amazon Interview Experience (On-Campus)
Round 1: In the first round I was asked 2 coding questions  https://www.geeksforgeeks.org/maximum-size-sub-matrix-with-all-1s-in-a-binary-matrix/ https://www.geeksforgeeks.org/find-the-next-lexicographically-greater-word-than-a-given-word/ I was able to solve both problems. The interviewer was a… Read More
Amazon
On-Campus
Experiences
Interview Experiences
Persistent Systems Interview Experience | On-Campus 2021
Total 4 Rounds –   Round 1 – CSE Questions Aptitude/Reasoning/Coding (90 MCQs & 2 Coding) Round 2 – Advanced Coding (2 Questions) Round 3… Read More
On-Campus
Persistent Systems
Experiences
Interview Experiences
Microsoft Interview Experience | 4+ Years Experienced
Round 1:- Started with an introduction about projects and Education. Then he asks me a question about my project which I had done previously(questions related… Read More
Microsoft
Experienced
Experiences
Interview Experiences
Amazon Interview Experience for SDE-1 (Off-Campus)
I appeared for the amazon’s interview for SDE full-time role, and here is my experience Technical Interview Round-1 First question was there are given n… Read More
Amazon
Off-Campus
Experiences
Interview Experiences
Iterate Over the Characters of a String in Java
Given string str of length N, the task is to traverse the string and print all the characters of the given string. Illustration: Input :… Read More
Java-String-Programs
Java
Java Programs
Reduced Row Echelon Form (rref) Matrix in MATLAB
Reduced Row Echelon Form of a matrix is used to find the rank of a matrix and further allows to solve a system of linear… Read More
MATLAB-Maths
MATLAB-matrix
Picked
MATLAB
Find the array element having equal sum of Prime Numbers on its left and right
Given an array arr[] of size N, the task is to find the index in the given array where the sum of the prime numbers… Read More
prefix-sum
Prime Number
sieve
suffix-sum
Arrays
DSA
Hash
Mathematical
Searching
What is CI/CD?
CI And CD is the practice of automating the integration of code changes from multiple developers into a single codebase. It is a software development… Read More
DevOps
Top 100+ Excel Shortcut Keys List (A to Z)
Did you know that using keyboard shortcuts can increase productivity and save you time? Although the term “shortcut” may seem intimidating, it’s important to consider… Read More
Excel-How To
Picked
Excel
How To
Microsoft Office
Sort an array of 0s, 1s, 2s and 3s
Given an array arr[] of size N consisting of 0, 1, 2, and 3 only, the task is to sort the given array in ascending… Read More
array-rearrange
two-pointer-algorithm
Arrays
DSA
Mathematical
Sorting
How many numbers in the given array are less/equal to the given value using the percentile formula ?
The following approach covers how to calculate how many numbers in the given array are less or equal to the given value using the percentile… Read More
javascript-array
javascript-basics
JavaScript-DSA
JavaScript-Questions
Picked
JavaScript
Web Technologies
Lazy import in Python
In this article, we will learn how to do Lazy import in Python. For this, let’s first understand the lazy import. What is Lazy Import?… Read More
Picked
python-modules
Python
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