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Ruby’s sort_by method is a powerful and flexible way to sort collections like arrays and hashes based on specific criteria. Unlike the more general sort method, sort_by simplifies the process of sorting when dealing with complex or custom sorting logic. In this guide, we will explore the sort_by method step-by-step, complete with examples to help beginners grasp its utility. What is the sort_by Method? The sort_by method is an Enumerable method in Ruby that sorts a collection by evaluating a block for each element. The block returns a value that serves as the basis for sorting. This method is particularly useful when the elements themselves are not directly comparable or …

Understanding Ruby’s sort_by Method: A Beginner’s Guide 続きを読む "

Machine Learning (ML) continues to be a transformative technology across industries in 2025, influencing healthcare, finance, e-commerce, and autonomous systems. At the core of ML are its algorithms, which enable computers to learn from data and make decisions without explicit programming. Whether you’re a data scientist, engineer, or enthusiast, understanding these algorithms will help you navigate the ML landscape.  What Is Deep Learning? Deep Learning is a subset of machine learning, which itself is a branch of artificial intelligence (AI). Deep learning uses artificial neural networks designed to mimic the way the human brain processes and learns from information. These networks are structured in layers, which process data in increasingly …

Top 10 Machine Learning Algorithms to Know in 2025 続きを読む "

Backend frameworks play a critical role in modern web development, providing the infrastructure necessary for building robust, scalable, and secure applications. As web technologies continue to evolve, developers look for frameworks that offer high performance, flexibility, and ease of use. Here’s a detailed look at the 10 most popular backend frameworks in 2025 that are shaping the digital landscape. What are Back-End Frameworks? Back-end frameworks are software tools that provide a foundation for building the server-side (or “back-end”) of web applications. They handle the underlying functionality of an application, such as database management, user authentication, server configuration, and application logic. These frameworks streamline development by offering prebuilt components, libraries, and …

Top 10 Most Popular Backend Frameworks in 2025 続きを読む "

As the world of web development continues to evolve, so does the technology behind creating dynamic, high-performance applications. Web frameworks make it easier for developers to create interactive websites and web apps without reinventing the wheel. Whether you’re building a complex enterprise application or a simple landing page, the right framework can save you much time and effort. What Are The Web Development Frameworks? Web development frameworks are pre-written, structured platforms or libraries designed to simplify the development process for web applications. They provide developers with a foundation of code, tools, and guidelines, enabling them to focus on building features instead of starting projects from scratch. These frameworks streamline the …

30 Most Popular Web Development Frameworks for 2025 続きを読む "

Ruby offers a wide range of frameworks, but Sinatra stands out as a lightweight, flexible option for developers seeking simplicity and efficiency. Here, we explore the key benefits of using the Sinatra Ruby framework and why it continues to gain popularity among developers. 1. Lightweight and Minimalist Design Sinatra’s minimalistic nature is its defining feature. Unlike full-stack frameworks like Ruby on Rails, Sinatra focuses solely on delivering the essentials for building web applications. This makes it an excellent choice for: Small to medium-sized projects. Prototyping and proof-of-concept applications. Developers who want to avoid the complexity of larger frameworks. With Sinatra, you can start coding immediately without the need for extensive …

Sinatra Ruby Framework: Key Benefits for Developers 続きを読む "

As the software development landscape continues to evolve, developers are often faced with the choice of which programming language to adopt for their projects. In 2025, two of the most popular and widely used programming languages, Ruby and Golang (Go), stand out for different reasons. Both have their unique features, ecosystems, and use cases, which make them suitable for different kinds of development. But which one should you choose? Let’s dive into a comparison of Ruby and Golang to help you decide. Ruby: The Language of Simplicity and Developer Happiness Ruby has long been known for its elegant syntax and developer-friendly environment. Ruby’s main appeal is its simplicity and the …

Ruby vs Golang: Which Language to Use in 2025? 続きを読む "

Testing is a crucial aspect of any software development process, ensuring that the application is reliable, robust, and performs as expected. Ruby, with its clean syntax and developer-friendly environment, offers a variety of testing frameworks to support both beginners and seasoned developers. In 2025, these frameworks have evolved to meet the demands of modern web development, particularly with Ruby on Rails applications. What are Ruby Testing Frameworks? Ruby Testing Frameworks are tools and libraries that facilitate writing, organizing, and running tests in Ruby-based applications. These frameworks help developers ensure that their code works as expected, minimizing bugs and improving overall software quality. Ruby testing frameworks offer various methods, including unit …

20 Best Ruby Testing Frameworks for 2025 続きを読む "

Ruby is a powerful programming language, and one of its most versatile and commonly used methods is the map method. Whether you’re transforming arrays or simplifying complex operations, the map method is a must-know for any Ruby developer. In this article, we’ll explore what the map method is, how it works, and provide practical examples to help you integrate it into your Ruby development workflow. What is the Ruby Map Method? The map method is a Ruby enumerable method used to create a new array by transforming each element of an existing array or collection. It applies a given block of code to each element and returns the resulting array. …

How to Use the Ruby Map Method With Examples 続きを読む "

ブロックチェーン技術は産業に革命を起こし続けており、API（アプリケーション・プログラミング・インターフェース）は開発者がブロックチェーンの機能をアプリケーションに統合することを容易にする。ここでは、2025年のブロックチェーンAPIのトップを見てみよう：開発者向けブロックチェーンAPIのトップは？NOWNodes NOWNodesは、単一のAPIを通じて40以上の一般的なブロックチェーンへのアクセスを提供します。高速接続（1GB/秒）と24時間365日の監視ノードにより、インフラを管理することなく信頼性の高いブロックチェーン統合を必要とする開発者に最適です。 Coinbase API Coinbase APIは、アプリケーションへの暗号通貨ウォレットの統合を簡素化します。BitcoinやEthereumのような主要な暗号通貨をサポートし、Coinbase Proバリアントを通じて安全な取引、通知、プログラム取引を可能にします。 Infura Ethereum API Infuraは、暗号通貨ウォレットのアプリケーションへの統合を簡素化します。

2025年、開発者向けブロックチェーンAPIトップ10 続きを読む "

Rubyのcase文は、複数の条件をすっきりと読みやすい形式で扱うための汎用的で強力なツールです。このガイドでは、case文の基本的な使い方を、実践的な例を使ってわかりやすく解説します。Ruby の case 文とは？case 文は、if-elsif-else 構造に代わるもので、コードをより簡潔で読みやすくするために設計されています。式を評価し、マッチした条件に基づいてコードを実行します。基本構文 case 式 when condition1 # 条件1が真なら実行するコード when condition2 # 条件2が真なら実行するコード else # 条件が真でなければ実行するコード ...

Rubyケース文入門ガイド 続きを読む "