Tag: Element
Different ways to Erase / Delete an element from a Set in C++
In this article we will discuss different ways to remove an element from Set. std::set provides 3 overloaded version of erase() member function. We will discuss them one by one. Advertisements Suppose we have a set of strings i.e. //Set Of Strings std::set<std::string> setOfStrs = {“Hi”, “Hello”, “is”, “the”, “at”, “Hi”, “is”, “from”, “that”}; Let’s …
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C++ : How to check if a Set contains an element | set::find vs set::count?
In this article we will discuss how to check if a given element exists in set or not. Suppose we have a set of strings i.e. Advertisements // Set of strings std::set<std::string> setOfStrs = { “the”, “is”, “of” , “from” , “at” , “hello” , “the” }; Now we wnat to check if any given …
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Python : How to add an element in list ? | append() vs extend()
In this article we will discuss how to add element in an existing list using different techniques. Adding item in list using list.append() list.append(item) It adds the item at the end of list. Advertisements For example, we have a list of string i.e. # List of string wordList = [‘hi’, ‘hello’, ‘this’, ‘that’, ‘is’, ‘of’] …
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Python : How to Insert an element at specific index in List ?
In this article we will discuss how to insert an element in list at specific position. Inserting an element in list at specific index using list.insert() In python list provides a member function insert() i.e. Advertisements list.insert(position, element) It accepts a position and an element and inserts the element at given position in the list. …
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C++ : How to find an element in vector and get its index ?
In this article we will different ways to find an element in vector and get its index. Suppose we have a vector of int i.e. Advertisements std::vector<int> vecOfNums = { 12, 45, 54, 33, 2, 7, 8, 22, 43, 19 }; Now we want to find if number 22 exists in vector ? If yes …
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Python : How to remove element from a list by value or Index | remove() vs pop() vs del
In this article we will discuss different ways to remove an elements from list. Remove an element from List by value using list.remove() Python’s list provides a member function to remove an element from list i.e. Advertisements list.remove(value) It removes the first occurrence of given element from the list. For example, Frequently Asked: Convert a …
Python : How to remove element from a list by value or Index | remove() vs pop() vs delRead More
C++ : How to insert element in vector at specific position | vector::insert() examples
In this article we will discuss how to insert one or multiple elements at specific index in vector. Vector provides different overloaded version of member function insert() , to insert one or more elements in between existing elements. Let’s discuss them in detail, Advertisements Inserting a single element at specific position in vector We are …
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C++ : How to get element by index in vector | at() vs operator []
In this article we will discuss different techniques to get an element from vector by index or position. In vector elements are indexed from 0 to size() – 1. To access any element in vector by index vector provides two member functions i.e. at() operator[] Let’s discuss them in detail, Advertisements Access an element in …
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Python : How to find an element in Tuple by value
In this article we will discuss different ways to check if an element exists in tuple or not. If yes then also find its index and occurrence count. Find an element in tuple by value using ‘in’ & ‘not in’ Python provides operator in and not in to check if an element exists in tuple. …
Python: Find indexes of an element in pandas dataframe
In this article, we will discuss how to find index positions of a given value in the dataframe i.e. row & column numbers. Let’s create a dataframe i.e. Advertisements # List of Tuples empoyees = [(‘jack’, 34, ‘Sydney’, 155), (‘Riti’, 31, ‘Delhi’, 177), (‘Aadi’, 16, ‘Mumbai’, 81), (‘Mohit’, 31, ‘Delhi’, 167), (‘Veena’, 81, ‘Delhi’, 144), …
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