Technology Guides and Tutorials

sebbie dev blog about technology

  • How to Get a Job at OpenAI: A Comprehensive Guide for Aspiring AI Professionals

    How to Get a Job at OpenAI: A Comprehensive Guide for Aspiring AI Professionals

    Understanding OpenAI’s Mission, Values, and Workplace Culture OpenAI’s Mission: Driving Beneficial AI for Humanity OpenAI’s mission is to ensure that artificial general intelligence (AGI) benefits all of humanity. This mission underscores their commitment to developing AI systems that are safe, ethical, and aligned with human values. OpenAI strives to advance AI research while ensuring that…

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  • Exploring React.js Frameworks: A Comprehensive Guide for Developers

    Exploring React.js Frameworks: A Comprehensive Guide for Developers

    Introduction to React.js Frameworks What Are React.js Frameworks? React.js frameworks are tools and libraries built on top of React, a popular JavaScript library for building user interfaces. These frameworks extend React’s core functionality, providing developers with additional features, utilities, and abstractions to streamline the development process. While React itself is a library focused on the…

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  • Why == and === Behave Differently in JavaScript: A Comprehensive Guide for Developers

    Why == and === Behave Differently in JavaScript: A Comprehensive Guide for Developers

    The Purpose of Equality Operators in JavaScript Understanding Equality in JavaScript Equality operators in JavaScript are used to compare two values and determine whether they are considered equal. This is a fundamental concept in programming, as comparisons are often necessary to control the flow of logic, validate inputs, or check conditions. JavaScript provides two main…

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  • How to Fix ‘undefined is not a function’ in JavaScript

    How to Fix ‘undefined is not a function’ in JavaScript

    Understanding the ‘undefined is not a function’ Error in JavaScript What Does ‘undefined is not a function’ Mean? The error message ‘undefined is not a function’ in JavaScript occurs when you attempt to call a value as if it were a function, but the value is actually undefined . In JavaScript, functions are first-class objects,…

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  • How to Accurately Get Screen Height and Width in JavaScript

    How to Accurately Get Screen Height and Width in JavaScript

    Understanding Screen Dimensions in Web Development Why Understanding Screen Dimensions is Important In web development, understanding screen dimensions is crucial for creating responsive and user-friendly designs. With the wide variety of devices available today, from smartphones to tablets to large desktop monitors, ensuring that your website looks good and functions well across all screen sizes…

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  • Optimizing MongoDB Queries: How to Use Indexes Effectively

    Optimizing MongoDB Queries: How to Use Indexes Effectively

    Understanding Indexes in MongoDB What Are Indexes in MongoDB? Indexes in MongoDB are special data structures that store a small portion of the collection’s data in an easy-to-traverse form. They are designed to improve the efficiency of query operations by reducing the amount of data MongoDB needs to scan to fulfill a query. Without indexes,…

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  • 10 Mind-Blowing CSS Tricks You’ve Never Seen Before

    10 Mind-Blowing CSS Tricks You’ve Never Seen Before

    Introduction: Unlocking the Power of CSS CSS, or Cascading Style Sheets, is the backbone of modern web design. It’s the tool that transforms plain HTML into visually stunning, interactive, and responsive websites. For web developers, CSS is more than just a styling language—it’s a creative playground where imagination meets functionality. Whether you’re building a sleek…

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  • Why Native Development Still Beats Cross-Platform Frameworks

    Why Native Development Still Beats Cross-Platform Frameworks

    Understanding Native Development vs. Cross-Platform Frameworks The Core Differences Between Native and Cross-Platform Development Native development refers to building applications specifically for a particular platform, such as iOS or Android, using the platform’s official programming languages and tools. For instance, iOS apps are typically developed using Swift or Objective-C with Xcode, while Android apps are…

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  • Why Redis Is More Than Just a Cache: Exploring Its Versatility for Modern Applications

    Why Redis Is More Than Just a Cache: Exploring Its Versatility for Modern Applications

    Understanding Redis: Origins, Caching, and Beyond What is Redis? Redis, short for Remote Dictionary Server, is an open-source, in-memory data structure store that can be used as a database, cache, and message broker. It was created in 2009 by Salvatore Sanfilippo, who initially developed it to address performance issues in his own web application. Redis…

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  • Async/Await vs Promises in Node.js – What You’re Not Being Told

    Async/Await vs Promises in Node.js – What You’re Not Being Told

    Understanding Asynchronous Programming in Node.js What is Asynchronous Programming? Asynchronous programming is a paradigm that allows code execution to continue without waiting for a task to complete. In Node.js, this is particularly important because it is a single-threaded, non-blocking runtime environment. By leveraging asynchronous programming, Node.js can handle multiple operations concurrently, making it highly efficient…

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