JavaScript
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Containerize a Node.js App with Docker and Deploy with GitHub Actions
Building an application is only one part of the software development process. Once an application is ready, it needs to…
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The Abstract Equality Algorithm: What == Actually Does in JavaScript
Not a list of quirks to memorize, a walk through the specification steps that produce them. Most explanations of JavaScript’s == operator…
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The Event Loop’s Actual Ordering Guarantees
A resolved Promise doesn’t just usually beat setTimeout(fn, 0). The specification requires it to, every single time, for reasons that…
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Role-Based Access Control in Node.js with JWT
Role-Based Access Control (RBAC) is a fundamental security pattern used to restrict system access based on user roles. When combined…
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Prototypal Inheritance vs Classical Inheritance
The class keyword made JavaScript look like Java. Underneath, it never stopped being something else entirely. What a prototype chain…
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Avoiding Common Pitfalls with useCallback and useMemo in React
Modern React development encourages performance optimization, and two hooks that often come up are useCallback and useMemo. While these hooks…
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Mastra vs LangChain: Building AI Data Analysis Pipelines
Large Language Models (LLMs) have fundamentally transformed modern software development by enabling engineers to build intelligent applications that can reason,…
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Saga Pattern in Node.js: Managing Distributed Transactions
Modern applications are increasingly built using a microservices architecture rather than a single monolithic application, with business capabilities split across…
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JavaScript Safe Integer Limit Explained
JavaScript uses the Number type for both integers and floating-point values. While this simplifies the language, it also introduces an…
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