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🏗️ `Is` Methods

The concept of making invalid states unrepresentable focuses on avoiding methods like isX and relying on the type system to ensure the validity of the state.
Using is methods or enums to check states can lead to runtime exceptions and requires additional error handling.
By designing types that represent valid and invalid states, we can simplify the code and rely on the type system for verification.
Type-driven design improves the development experience and ensures that our code accurately represents business rules, preventing invalid states from existing.

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Dev

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Github's Top 31 items of Dec 18, 2024

Bodo – high-performance compute engine for Python data processing
BlackSheep: Fast ASGI web framework for Python
Self-Hosting a VPN with Tailscale on a Raspberry Pi
openai-realtime-embedded-SDK: Build AI assistants on microcontrollers

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Dev

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LeetCode Challenge: 135. Candy - JavaScript Solution 🍬

You are given an array ratings, where each element represents a child’s rating. You need to distribute candies to these children while meeting certain rules.
Each child must get at least 1 candy. Children with higher ratings must receive more candies than their neighbors.
The problem can be efficiently solved using a two-pass greedy approach.
The time complexity of the solution is O(n), where n is the number of children.

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Dev

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Building Composable Platforms with Harmony

Harmony is a powerful dependency-injection framework that enables developers to stitch together independently developed Bit components to build modular and adaptable applications.
Harmony supports full-stack composability, facilitating the integration of frontend and backend functionalities into cohesive platforms.
Key features of Harmony include pluggable aspects, which are modular business features that can be easily integrated into platforms, and runtime flexibility that enables compatibility across diverse use cases.
Composability empowers organizations to adapt quickly by enabling the addition or updating of new features with minimal disruption to the existing system.
Composability also promotes reusability by allowing shared components to be leveraged across multiple projects, reducing duplication and increasing consistency.
Building a composable system with Harmony involves the use of Bit components that have been designed with Harmony in mind to consume and provide 'services' to and from other aspects.
An aspect represents a single business capability that can be plugged into a larger system to form a new application or full solution.
Harmony facilitates a high degree of collaboration among teams by allowing them to work on isolated aspects or components without stepping on each other's toes.
Organizations can explore Bit's demo aspects and fork them to their Bit workspace to get started quickly.
Harmony's official documentation is also a valuable resource for development of composable software.

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Dev

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Jotai: A Simple and Powerful State Management Library for React

Jotai is a minimalistic state management library for React applications.
Jotai introduces a straightforward API with a few key concepts that make it easy to manage state in React:
Atoms in Jotai represent the smallest units of state, similar to Recoil's atoms.
The useAtom hook is the primary way to interact with atoms in Jotai.
Jotai allows you to create derived atoms which are dependent on other atoms or derived data.
Jotai also supports atom effects, which can run code in response to changes in atom values.
Jotai is designed to be minimalistic and lightweight, with a very small API surface.
Jotai uses a reactive model, where only the components that use a particular atom will re-render when that atom changes.
Jotai gives you fine-grained control over the state in your application.
Jotai’s atomic design makes it easy to scale as your application grows.

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Javacodegeeks

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Java Spring Boot vs. Go (Golang): A Comprehensive Comparison

Java Spring Boot and Go (Golang) are two backend technologies that developers often consider for building web applications and services.
Java Spring Boot is preferred for large-scale enterprise applications and complex business logic, while Go is preferred for high-performance web services and cloud-native apps with fast development cycles.
Java Spring Boot is slower in performance due to JVM overhead and garbage collection, while Go is faster with its compiled binary and built-in concurrency model.
Java Spring Boot has a steep learning curve and requires a significant amount of abstraction layers, while Go has an easier learning curve and is simpler to learn.
Java Spring Boot has a comprehensive framework with built-in support for various enterprise features, while Go has a lightweight, minimalistic standard library and no “official” web framework.
Java Spring Boot has a mature and vast ecosystem with extensive libraries, plugins, and enterprise support, while Go’s ecosystem is growing, particularly for cloud-native and microservice architectures.
Java Spring Boot requires a JVM to run and has automatic garbage collection, while Go uses manual memory management through its garbage collector and has no external dependencies.
Java Spring Boot has excellent tooling support, while Go’s tooling and IDE support is good but less mature than Java’s IDEs.
Java Spring Boot has rich support for unit and integration testing through Spring Test and JUnit, while Go has a built-in testing framework but fewer testing tools compared to Java.
Overall, the choice between Java Spring Boot and Go (Golang) depends on the specific needs of your project, including performance, scalability, learning curve, and ecosystem.

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Dev

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Are the rubber ducks getting smarter?

Rubber duck debugging, a process of explaining coding problems to an inanimate object, has evolved with the emergence of AI tools.
AI tools like ChatGPT and GitHub Copilot (Chat) are replacing physical rubber ducks, providing suggestions and solutions to coding issues.
AI agents, built on language models like GPTs, act as personal assistants, completing tasks assigned to them autonomously.
AI agents such as Goose can assist developers in various tasks, saving time and improving workflow efficiency.

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Medium

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Learn how I turned a failed machine learning interview into a valuable learning experience.

Python Proficiency: The author realized their advanced Python knowledge was lacking, particularly in problem-solving scenarios.
TensorFlow: The author identified the need to dedicate more time to mastering TensorFlow and understanding deep learning concepts.
Model Testing and Optimization: The author struggled to explain optimization methods for model testing and is eager to explore this further.
Lessons Learned and Next Steps: The author acknowledges that growth is continuous, views failure as a learning opportunity, and emphasizes the importance of ongoing learning in the rapidly evolving field of machine learning.

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Medium

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Learning Basic Computer Programming

A beginner learned basic computer programming using Python.
Lessons included topics like variables, conditional statements, and loops.
The learner gained confidence by solving challenges and debugging errors.

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Dev

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Understanding Components and Props in React: The Foundation of Reusable UIs

A Component in React is a reusable, independent block of code that defines a portion of the UI.
Props (short for properties) are a mechanism for passing data from a parent component to a child component.
React applications typically consist of multiple components that communicate using props.
Components and Props form the backbone of React development, allowing developers to create scalable and interactive applications.

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Dev

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JSX (JavaScript XML): Simplifying UI Development in React

JSX (JavaScript XML) is a syntax extension for JavaScript that allows developers to write HTML-like code directly within JavaScript files.
JSX is one of the core features of React, enhancing the development experience by enabling a clear and concise way to describe the structure of user interfaces (UI).
Key features of JSX include embedding expressions, attributes, nested elements, and conditional rendering.
JSX provides a declarative syntax, integration with JavaScript, and an enhanced developer experience.

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Dev

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React.js vs Vue.js vs Angular: Choosing the Right Framework for Your Project

React.js, Vue.js, and Angular are popular JavaScript frameworks/libraries for building web applications.
React.js focuses on UI development with components and has a flexible ecosystem.
Vue.js is known for its simplicity and easy integration into existing projects.
Angular is a comprehensive framework with built-in tools for various functionalities.

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Logrocket

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Understanding the 5 UX design layer types

The general UX design process typically constructs a product interface by creating five layers, from the abstract idea to the concrete product implementation.
The five layers include: Strategy, Scope, Structure, Skeleton, and Surface.
Constructing each layer one-by-one helps designers create high-quality, usable, productive, user-centric interfaces during a well-organized design process.
The Strategy layer defines the primary goals of a specific product based on user and business objectives, while the Scope layer specifies the functional and content requirements necessary to establish those goals.
The Structure layer is the blueprint for the product interface design process. It structures the digital product based on user interactions and information organization, defining screen-by-screen how users will move through the product.
The Skeleton layer adds further visual detail to product design based on the content and navigation organization of the structure layer. Here, wireframes, mockups, and low-fidelity prototypes are used to visualize the product interface using basic UI components.
The Surface layer is the final UX layer type. It visualizes the final product interface using the skeleton layer design specifications and UI design concepts. This layer defines the colors, fonts, and images that bring the entire product together for end-users.
Each UX layer is interconnected and has different responsibilities in the product design process. After finalizing the UX design layer types, designers have presentable item for software developers.
The UX design field is improving every day, and product designers must continuously learn and adapt to new UX concepts to stay competitive in the digital product design industry.

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Dev

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React.js Explained: A Comprehensive Guide to Building Modern Web Applications

React.js is an open-source JavaScript library for building user interfaces (UIs). It follows a component-based architecture, where UI is divided into reusable components.
React uses a declarative approach, simplifying debugging and reducing the need for manual DOM manipulation. It introduces the Virtual DOM concept for faster updates and rendering.
JSX syntax allows developers to write HTML-like code within JavaScript, making the code more readable.
React enforces unidirectional data flow and provides powerful tools in its ecosystem, including React Router, Redux, and Next.js.

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Dev

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Deploy your Discord Bot using Amazon EC2

This article discusses how to deploy a Discord bot using Amazon EC2.
Python is an ideal programming language for bot development due to its versatility, simplicity and extensive library support.
Amazon EC2 offers flexibility, scalability and reliability, making it a great hosting solution for bots and other cloud-based applications.
To get started, update your bot's code to the latest discord.py version.
Follow the deployment steps provided in the article, which include launching an EC2 instance, connecting to the instance, setting up dependencies, cloning the repository, configuring environment variables, and running the bot.
Using Screen can help keep your bot running in the background after your terminal session has ended.
With minimal hassle, you can deploy your bot using Amazon EC2, ensuring it runs 24/7.
Finally, cloud computing lets your bot scale up or down, meaning your bot can grow as you add new features and continue improving performance.
Troubleshooting steps are available if issues arise, and checking the Discord API documentation can be a helpful resource.
Deploying your Discord bot with Amazon EC2 provides great potential for improving your bot's functionality and giving it more personality.

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