Tag: Duplicates
Python : How to Remove Duplicates from a List
In this article we will discuss different ways to remove duplicate elements from a list in python. List : Containing duplicate elements : Advertisements [10, 2, 45, 3, 5, 7, 2, 10, 45, 8, 10] List : After removing duplicate elements, [10, 2, 45, 3, 5, 7, 8] Let’s see how to do that, Frequently …
C++ : How to find duplicates in a vector ?
In this article we will discuss how to find duplicate elements in vector and their repetition count. Suppose we have a vector of strings i.e. Advertisements // Vector of strings std::vector<std::string> vecOfStings{ “at” , “hello”, “hi”, “there”, “where”, “now”, “is”, “that” , “hi” , “where”, “at”, “no”, “yes”, “at”}; Let’s find duplicate elements from this …
Python: Find duplicates in a list with frequency count & index positions
In this article, we will discuss how to find duplicates in a list along with their frequency count and their index positions in the list. Let’s do this step by step, Advertisements Step 1: Get duplicate elements in a list with a frequency count Suppose we have a list of strings i.e. # List of …
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Check for Duplicates in a List in Python
In this article, we will discuss different ways to check if a Python List contains any duplicate element or not. Suppose we have a list of elements i.e. listOfElems = [‘Hello’, ‘Ok’, ‘is’, ‘Ok’, ‘test’, ‘this’, ‘is’, ‘a’, ‘test’] Now we want to check if this list contains any duplicate element or not. There are …
Javascript: Remove duplicates from array
While working with javascript arrays, there is often a requirement to remove duplicates from an array. This article demonstrates easy ways to remove duplicate values from a javascript array using different methods and example illustrations. Table of Contents: Remove duplicates from array in javascript using filter() Remove duplicates from array in javascript using sort() Remove …
5 ways to Merge two Arrays and Remove Duplicates in Javascript
While working in javascript arrays, we often need to merge two arrays, and many times we also need to remove the duplicates from the final array. This article will see different ways to merge two arrays and remove duplicate items from the final array using different methods and various example illustrations. Table of Contents: Merge …
5 ways to Merge two Arrays and Remove Duplicates in JavascriptRead More
Remove duplicates from NumPy Array in Python
In this article, we will learn how remove duplicate elements or rows or columns from a NumPy Array in Python. Table Of Contents Remove duplicates from NumPy Array using unique() method Delete duplicate elements from 1D NumPy Array Delete duplicate rows from 2D NumPy Array Delete duplicate columns from 2D NumPy Array Remove duplicates from …
Check if a NumPy Array has duplicates in Python
This tutorial will discuss about unique ways to check if a numpy array has duplicates in Python. Table Of Contents Method 1: Using numpy.unique() Method 1: Using Set Summary Method 1: Using numpy.unique() The numpy module provides a function unique(). It accepts a NumPy array as an argument, and returns a new array containing the …
Check if Array Contains Duplicates in PHP
This tutorial will discuss about a unique way to check if an array contains duplicates elements in php. To check if an array contains any duplicate element or not we are going to use the array_unique() function. The array_unique() function accepts an array as an argument and return a new array containing only unique elements …
Check If Array Contains Duplicates in C++
In this article, we will discuss different ways to check if a C++ array contains duplicates or not. Video Tutorial to check if an Array has any Duplicate Value in C++ Table of Contents Problem Description Check if array contains duplicates using Iterative approach with two loop Check if array contains duplicates using sort() function …