by HELLO EVERYONE!!! It’s March 21th 2025 and you are reading the 53th edition of the Codeminer42’s tech news report. Let’s check out what the tech world showed us this week!
How to create value objects in Ruby – the idiomatic way – by Lucian Ghinda
Lucian Ghinda explores the idiomatic approach to creating value objects in Ruby, emphasizing their immutability and simplicity. He explains how to use structs and custom classes to encapsulate data and behavior effectively. The article provides practical examples to ensure value objects are lightweight and predictable. It’s a concise guide for Rubyists aiming to improve code design.
Memory safety for web fonts – by Dominik Röttsches, Rod Sheeter and Chad Brokaw
This piece dives into memory safety challenges with web fonts, as tackled by Chrome developers. It discusses vulnerabilities like buffer overflows and how they’re mitigated in font rendering. The authors detail technical improvements in Chrome’s font stack for enhanced security. Real-world implications for web performance and user safety are underscored. A must-read for developers interested in browser internals.
Translations in Stimulus Controllers – by RailsDesigner
RailsDesigner offers a straightforward method to handle translations within Stimulus controllers for Rails apps. The article walks through integrating Rails’ I18n with Stimulus for dynamic UI updates. It includes code snippets to localize content efficiently without bloat. This approach keeps controllers lean while supporting multilingual applications. Perfect for Rails devs enhancing user experience globally.
Timeout Middleware in Go: Simple in Theory, Complex in Practice – by Viktor Nikolaiev
Viktor Nikolaiev examines the intricacies of implementing timeout middleware in Go applications. He explains the concept’s simplicity—limiting request durations—but unpacks its real-world complexities. The post covers pitfalls like race conditions and proper context handling. Practical examples illustrate robust timeout solutions for Go developers. It’s a deep dive into a deceptively tricky topic.
Why You Need Strong Parameters in Rails – by Akshay
Akshay breaks down the importance of strong parameters in Rails for secure data handling. He explains how they prevent mass assignment vulnerabilities in controllers. The article contrasts permissive params with the safer, explicit approach introduced in Rails 4. Clear examples show how to implement them effectively. Essential reading for Rails developers prioritizing security.
Ruby, Ractors, and Lock-Free Data Structures – by Ilya Bylich
Ilya Bylich explores Ruby’s Ractors and their role in concurrent programming with lock-free data structures. He details how Ractors enable parallelism while avoiding traditional locks for better performance. The post includes examples of implementing these structures in Ruby 3+. It’s a technical look at cutting-edge Ruby concurrency features. Great for advanced Rubyists experimenting with parallelism.
[New Series] Underrated Soft Skills: Charisma – by Antony Henao
Antony Henao kicks off a series on underrated soft skills, starting with charisma’s impact in tech. He argues it’s not just charm but a learnable skill for influencing teams and stakeholders. The post offers practical tips to cultivate presence and communication finesse. It’s aimed at engineers looking to boost leadership potential. A fresh perspective on a non-technical essential.
SSR Deep Dive for React Developers – by Nadia Makarevich
Nadia Makarevich provides an in-depth exploration of Server-Side Rendering (SSR) for React developers. She covers its benefits—like SEO and performance—and technical challenges like hydration. The post dissects SSR workflows with practical React examples and pitfalls. It’s a comprehensive resource for building scalable React apps. Ideal for devs leveling up their SSR game.
React Trends in 2025 – by Robin Wieruch
Robin Wieruch predicts React’s evolution in 2025, focusing on emerging patterns and tools. He discusses server components, concurrent rendering, and framework integrations like Next.js. The article blends insights with forward-looking analysis for React practitioners. Perfect for developers planning their next projects.
Apache Tomcat Vulnerability Actively Exploited Just 30 Hours After Public Disclosure – The Hacker News
The Hacker News reports a critical Apache Tomcat flaw exploited within 30 hours of disclosure. The vulnerability allows remote code execution, posing severe risks to unpatched servers. It details the exploit’s rapid spread and mitigation steps for admins. A wake-up call for securing web infrastructure fast. Urgent reading for system administrators.
Minitest vs RSpec for testing Rails applications – by Josef Strzibny
Josef Strzibny compares Minitest and RSpec for Rails testing, weighing their pros and cons. He praises Minitest’s simplicity and speed, while noting RSpec’s readability and flexibility. The article includes practical examples for both frameworks in Rails contexts. It helps developers choose based on project needs. A balanced guide for testing enthusiasts.
That time I recreated Photoshop in C++ – by Marek Foss
Marek Foss recounts his ambitious project of rebuilding Photoshop’s core in C++. He shares the technical hurdles of image processing and UI rendering in a low-level language. The post reflects on lessons learned from mimicking a complex toolset. It’s an inspiring tale for C++ hobbyists and tinkerers. A blend of nostalgia and coding grit.
Rails 8 on Kamal example setup with Sidekiq, Redis and Postgres – by Rich Steinmetz
Rich Steinmetz demonstrates deploying Rails 8 with Kamal, integrating Sidekiq, Redis, and Postgres. He provides a step-by-step setup for containerized Rails apps with background jobs. The article emphasizes Kamal’s simplicity for managing deployments. It’s a hands-on guide for modern Rails infrastructure. Ideal for devs upgrading to Rails 8.
Session-Based Authentication in Go – by Mohamed Said
Mohamed Said outlines implementing session-based authentication in Go from scratch. He covers session management, secure cookie handling, and user login workflows. The post includes clear code examples for a lightweight auth system. It’s tailored for Go developers building secure web apps. A solid primer on practical authentication.
Node.js Launches Official Community Space on Discord – by Carl Vitullo & Claudio Wunder
Node.js announces its official Discord server, fostering a new hub for its community. Carl Vitullo and Claudio Wunder highlight its role in real-time collaboration and support. The space aims to connect Node developers globally with events and discussions. It’s a milestone for Node’s growing ecosystem. Join to engage with fellow Node enthusiasts.
Languages, Tools & Framework releases
Announcing Rust 1.85.1 – by Rust Release Team
The Rust Release Team unveils Rust 1.85.1, a patch addressing stability and minor fixes. It resolves specific compiler bugs and improves compatibility across platforms. The update ensures smoother development for Rust users without major changes. A quick read for staying current with Rust releases. Essential for Rust developers updating their toolchains.
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And that’s all for this week! Wish you all a great weekend and happy coding!
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