Problem asked in Google and Amazon Interview — In this article, we will see how we can solve Leetcode 941 — Valid Mountain Array in One Pass. The difficulty of the problem is Easy. Problem Statement Given an array of integers arr, return true if and only if it is a valid mountain array. Recall that arr is a mountain…

A Simple Port Scanner Using Python. — Sometimes we need to scan for open ports on a machine or host for our work or for security. We mostly use Nmap or any other port scanner for this work. But sometimes all we need is a simple port scanner, not a complicated one. …

Python Scripting Is One Of The Powerful Tool We Have And Browser Automation Is One Of Them — Python is one of the best tools a developer can have. Giving power to a user the power to solve daily problems or create an advanced application. Browser automation is one of them. Just suppose you are filling some forms daily on the web from a file and wasting hours…

Everything you need to know to get started with Dart programming language. — Most of the time, we spend watching hours of content on youtube or other sites, and all we want is to get started with that language. …

The new feature of GitHub is gold. — Github’s new profile section feature is here. This fantastic update is under development. If you want to use this feature, you have to create a repo Username and create a file README.md, and now you can design your GitHub profile using README.md. Now Less Headache Previously we were using Github pages or other…

Everything you need to know to get started with NumPy. — Numpy is an open-source numerical library for Python. It provides a high-performance multidimensional array object and tools for working with these arrays. Sometimes we need a cheat sheet to go through instead of wasting our time on long articles. That’s why we created this cheat sheet for you. Here arr…

Let’s Explore Array Data Structures. — An array can stores elements in contiguous memory locations in a ram. So, you are thinking now what do I mean by contiguous memory locations. But before that, let’s see how memory works. When we run a program, our computer keeps the variables or data, and it stores it in…

Searching a page on the web or retrieving a record from a database, searching algorithms are a helpful tool to use. — Search algorithms are the best tool to retrieve pieces of information from a data structure. Searching algorithms are classified based on their mechanism of searching style. We can classify them into two categories: Sequential Search: Sequential Search algorithms are those who sequentially search a data structure, like linear Search

A complete walkthrough guide to writing an API. — An API (Application Programming Interface) is a set of rules by which two programs can communicate with each other. An API can be used to return data, files, and additional information. …