Irene Ellison

Get the current URL with JavaScript?

In JavaScript, getting the current URL of a webpage is very straightforward thanks to the [removed] object. This object contains all the details about the current page’s address, and you can use its properties or methods depending on what exactly you need. Here are the most common ways to get the current URL: Full…

Java

Answered Sep 14, 2025 · 569 Views Read answer →

How to count certain elements in array?

Counting certain elements in an array is a common requirement when working with data. Depending on the programming language, there are different approaches to check how many times a specific value appears in an array. Here are some common methods: In Python: Use the built-in count() method: arr = [1, 2, 3, 2, 4, 2]…

Java

Answered Sep 2, 2025 · 441 Views Read answer →

What is NoSQL, and what are some examples of NoSQL databases?

NoSQL, which stands for "Not Only SQL," refers to a category of databases designed to handle unstructured, semi-structured, or rapidly changing data. Unlike traditional relational databases (RDBMS) that use structured schemas and SQL for queries, NoSQL databases offer flexible data models and are optimized for…

Data Science

Answered Dec 29, 2024 · 1.0K Views Read answer →

What is a Hashcat wordlist?

Hashcat is a popular password cracker and designed to break even the most complex passwords representation. To do this, it enables the cracking of a specific password in multiple ways, combined with versatility and speed. Password representations are primarily associated with hash keys, such as MD5, SHA, WHIRLPOOL,…

Web-development

Answered Oct 17, 2022 · 4.2K Views Read answer →

Explain Conway's game of life Java.

First of all, I think the algorithm is pretty smart which is, for my humble experience, not so common for a college student. So congrats if you came up with it by yourself! If you're looking for smart implementations I would recommend functional ones, e.g. in Haskell; see also Shortest game of life. Now, beware of…

Java

Answered Oct 4, 2022 · 1.0K Views Read answer →

Why information retrieval technique so popular in the field of Data Science?

Information retrieval technique is one of the most demanding subjects in NLP. It helps to ease up the work much better and faster where millions of bytes of information get gathered every day. In NLP, there are many ways to retrieve information for both structured and unstructured data. Any data such as text, audio,…

Data Science

Answered Jan 2, 2020 · 1.4K Views Read answer →

Explain how to perform vector indexing and slicing in R.

Indexing is defined as selecting an element from a vector present in a particular index. In R, indexing starts from 1 and is denoted by [] bracket On the other hand, slicing is defined as selecting a part of elements present in a vector by denoting the index notation. To perform vector indexing and slicing, we have to…

Data Science

Answered Nov 21, 2019 · 2.4K Views Read answer →