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Walmart Global Tech CodeHers Interview Experience for SDE-2 (2021)
Round 1 (Technical Interview – 45 minutes approx.) Questions based on my internships and projects (Give an instance where you used Exception Handling and Polymorphism… Read More
Marketing
Walmart
Experiences
Interview Experiences
Python String Methods
Python string methods is a collection of in-built Python functions that operates on lists. Note: Every string method in Python does not change the original… Read More
python-string
Python-string-functions
Python
Creating an activate/deactivate button using PHP and MySQL
In this article, we will discuss how to create an Activate/Deactivate button using PHP. When a particular status is set, the same gets updated in… Read More
HTML-Questions
mysql
PHP-function
PHP-Questions
HTML
PHP
SQL
Web Technologies
Create a drop-down list that options fetched from a MySQL database in PHP
In many scenarios, we may need to create a dropdown input that can display all the options consistent with the current state of the database.… Read More
HTML-Questions
mysql
PHP-function
PHP-Questions
HTML
PHP
SQL
Web Technologies
What is the difference between var_dump() and print_r() in PHP ?
In this article, we will discuss the difference between var_dump() and print_r() function in PHP. var_dump() Function: The var_dump() function is used to dump information… Read More
PHP-function
PHP-Questions
Picked
Web Technologies - Difference Between
Difference Between
PHP
Web Technologies
Introduction to Data Compression
In this article, we will discuss the overview of Data Compression and will discuss its method illustration, and also will cover the overview part entropy.… Read More
Computer Networks
AWS OpsWorks vs AWS Beanstalk vs AWS CloudFormation
Overview :AWS lists out a wide range of services when it comes to supporting DevOps. Be it in terms of Integration, Delivery, Strategies, Infrastructure as… Read More
Cloud-Computing
Picked
DBMS
Difference Between
GATE CS
Difference between Data Redundancy and Data Inconsistency
Overview :Data Redundancy and Data Inconsistency are the important terms used in the Database. A good Database Design is the one in which there is… Read More
data-science
DBMS
Difference Between
Is Every Whole Number a Natural Number?
Number system is the most basic pictorial representation of numbers on a number line, it is drawn by first making a straight line and then… Read More
Picked
Mathematics
Maths MAQ
School Learning
What makes Python a slow language ?
Python is a high-level language (than C or C++) thus Python itself manages details of a program like memory allocation, memory deallocation, pointers, etc. This… Read More
Python
Python-Quizzes
Introduction to Scratch Programming
Scratch is an event-driven visual programming language developed by MIT. In Scratch, we can create our own interactive stories, games, and animations using building blocks.… Read More
Picked
Scratch-programming
Class 9
School Learning
School Programming
Creating a C++ reusable Header File and its Implementation Files
Reusability is one of the most important concepts of Software Engineering. Reusability means developing code that can be reused either in the same program or… Read More
CPP-Basics
C++
C++ Programs
Force
Force is defined as an external cause that a body experiences as a result of interacting with another body. Whenever two objects interact, a force… Read More
Laws-of-Motion
Mechanics
Motion
Physics-Class-8
Picked
Class 8
School Learning
School Physics
Anubis – Subdomain enumeration and information gathering tool in Kali Linux
Anubis is a tool for information gathering. This tool is very useful in the initial phases of penetration testing. The main technique used to find… Read More
Kali-Linux
Linux-Tools
Linux-Unix
Maximum Fixed Point (Value equal to index) in a given Array
Given an array arr[] of size N, the task is to find the maximum index i such that arr[i] is equal to i. If there… Read More
Arrays
DSA
Hash
Searching
Generate a sequence with product N such that for every pair of indices (i, j) and i < j, arr[j] is divisible by arr[i]
Given a positive integer N, the task is to generate a sequence say arr[] of maximum length having all elements at least 2 such that… Read More
Prime Number
prime-factor
sieve
Arrays
Backtracking
Competitive Programming
DSA
Mathematical
Recursion
Maximum Sum Alternating Subarray
Given an array arr[] of size N, the task is to find the maximum alternating sum of a subarray possible for a given array.  Alternating… Read More
subarray
subarray-sum
Arrays
DSA
Dynamic Programming
Mathematical
Misc
Singular Value Decomposition
Prerequisites: Matrix Diagonalization, Eigenvector Computation and Low-Rank Approximations Before getting in depth into the SVD, let us first briefly understand what Matrix Diagonalization technique is… Read More
Machine Learning
Python
Role of Log Odds in Logistic Regression
Prerequisite : Log Odds, Logistic Regression  NOTE: It is advised to go through the prerequisite topics to have a clear understanding of this article.  Log… Read More
ML-Statistics
Machine Learning
Python program to a Sort Matrix by index-value equality count
Given a Matrix, the task is to write a Python program that can sort its rows or columns on a measure of the number of… Read More
Python list-programs
Python matrix-program
Python
Python Programs
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