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An array is a linear data structure and arguably one of the most popular data structures used in Computer Science. Modifying an array is a commonly encountered operation. Here, we will discuss how to add an element in any position of an array in JavaScript. An element can be added...
Guest Contributor
Getting the number of elements in a list in Python is a common operation. For example, you will need to know how many elements the list has whenever you iterate through it. Remember that lists can contain a combination of types, like integers, floats, strings, booleans, other lists, etc. as...
Marzia Deodato
Pandas is an open-source Python library for data analysis. It is designed for efficient and intuitive handling and processing of structured data. The two main data structures in Pandas are Series and DataFrame. Series are essentially one-dimensional labeled arrays of any type of data, while DataFrames are two-dimensional, with potentially...
Olivera Popović
Graphs are a convenient way to store certain types of data. The concept was ported from mathematics and appropriated for the needs of computer science. Due to the fact that many things can be represented as graphs, graph traversal has become a common task, especially used in data science and...
The performance of a Java program and the proper use of resources often depend on a collection a developer chose for storing data. Hence, it is very important to understand the difference between the implementations. That's why questions related to collections are on top of interviews for Java Junior developer...
Graphs are one of the most useful data structures. They can be used to model practically any setting - object relations and networks being the most common ones. An image can be represented as a grid-like graph of pixels, and language can be represented as a graph of words. Graphs...
Vladimir Batoćanin
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