Python dir() method with example

By Sumit Chhirush

Hello programmers, in this tutorial, we will learn the Python dir() method with examples. dir({parameter}) method: dir() method is Python’s inbuilt method. It takes only one .... Read More

Remove duplicates from sorted Linked List in Python

By Karshin Uppal

Here in this tutorial, we will learn how to remove duplicates from a linked list in Python. From a linked list like this: 1 2 2 3 4 4 5 To a linked list like: 1 2 3 4 5 In a linked.... Read More

Prettier default plot colors in matplotlib

By Sadhu Meghana

In this tutorial, we will make beautiful plots with different colors with matplotlib Python library. While working with plots in matplotlib, we often see that default blue shade ev.... Read More

Check if a value exists in an Array in Java

By Mitun Kumar Sahu

To check if a value exists in an array or not in Java, we can follow 2 methods: Linear search and binary search. To use binary search, the array must be sorted. Time complexity .... Read More

Delete the last Element of an array in Java


In this tutorial, we are going to discuss how to delete the last element from an array in Java, We’ll look at the code for both static and dynamic declaration of the array. S.... Read More

Convert CSV to Excel using openpyxl in Python

By Aditi Deo

CSV stands for comma-separated value files that store content in plaintext format separated using delimiters like commas in a series of rows. Excel on the other hand stores content.... Read More

How to compare two strings lexicographically in Java

By Kamlendra Pratap Singh

Let’s learn how to compare two strings lexicographically in Java. Before proceeding with the tutorial let us understand the term ‘lexicographically‘. Lexicographi.... Read More

Floating point literal in C++

By Kamlendra Pratap Singh

In this tutorial, you will learn about floating point literals in C++. Before proceeding to floating point literals, let us have a brief introduction of what are literals and their.... Read More

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