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DSA: Hash Table – Expanded Questions. Basic Conceptual Questions 1. What is a Hash Table? Explain with an example. Describe the fundamental concept of a hash table. Explain how keys are mapped to values using a hashing function. Provide a simple example to illustrate how data is stored and retrieved. 2. What is a Hash…

Let’s see. There are 71 Upwork stories published on HackerNoon. If I counted correctly, the 37 Upwork stories from the previous number have my author’s signature. I’ve covered the period since 2011 before Upwork became Upwork. I’m talking about the so-called “Great Merge” when Elance and oDesk gave birth to the freelance giant known as…

Introduction Backend development is crucial for powering modern web applications, managing databases, handling server-side logic, and serving client requests. While the frontend focuses on user interaction, the backend ensures seamless operation behind the scenes. In this blog, discover the essentials of backend development as we guide you through creating your first web server using Node.js…

GENEVA, Switzerland, October 23rd, 2024/Chainwire/–Zyfi, a blockchain-based platform delivering enhanced on-chain experiences, has announced the launch of its public community sale, offering $150,000 worth of ZFI tokens. This follows a $350,000 sale for whitelisted users. The public sale represents the final opportunity for early participants to acquire Zyfi tokens ahead of the platform’s upcoming Token…

In the recent Meta Connect, Mark Zuckerberg mentioned I think that voice is going to be a much more natural way of interacting with AI than text. I completely agree with this and it is also much faster than typing your question out, especially when most AI solutions today have some sort of chat baked…

A former fierce opponent of Bitcoin, Michael J. Saylor created a huge surprise in August 2020 by endorsing Bitcoin with his company MicroStrategy. As the months passed, Michael J. Saylor became a Bitcoin Hero praised by the entire Bitcoin community. Month after month, Michael J. Saylor’s absolute conviction in the success of the Bitcoin revolution…

Transactional emails play a crucial role in communicating with your users. Whether it’s registration confirmations, password resets, or important notifications, these emails need to be sent reliably and promptly. Brevo (formerly Sendinblue) is a powerful platform that offers transactional email services that are easy to integrate into your application. In this article, we’ll explore how…

AI humanizers have become popular among online users who need help bypassing AI detectors like GPTZero and Originality.ai. Uncheck AI is one of many such AI tools that enables anyone to rewrite AI-generated content until it sounds more human-like. However, for those unfamiliar with what this tool is and what it can offer, then this…

Hello DevOps enthusiasts! Welcome to Day 11 of the #90DaysOfDevOps challenge. Today, we’re diving into error handling in shell scripts. Task Solutions 1. Exit Status Checking #!/bin/bash # Create directory and check status mkdir testdir if [ $? -ne 0 ]; then echo “Failed to create directory” exit 1 fi echo “Directory created…

exSat Network, a Bitcoin scaling protocol, launched its mainnet today with $281 million in Total Value Locked (TVL), marking a significant development in Bitcoin’s infrastructure expansion. The network launched with 50 validators, each staking a minimum of 100 BTC, supported by major industry participants including Matrixport, Spiderpool, Antpool, and OKX. The platform’s synchronizers, representing 53.3%…