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Day 17 – WebSockets & Real-Time Communication with MERN Stack

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Introduction Modern web applications increasingly demand real-time interactivity, such as live chat, notifications, dashboards, or collaborative tools. In MERN Stack development, WebSockets enable bi-directional communication between the client (React) and server (Node.js + Express), going beyond traditional HTTP request-response patterns. CuriosityTech.in emphasizes real-world applications of WebSockets, allowing learners to implement live features in MERN projects […]

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Day 17 – Testing PHP Applications with PHPUnit

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Introduction On Day 17, we explore unit testing in PHP using PHPUnit, a fundamental skill for Full Stack Developers. Testing ensures that your PHP applications are reliable, maintainable, and bug-free, which is essential for professional-grade software development. At CuriosityTech.in, learners practice writing test cases, running automated tests, and integrating PHPUnit into their workflow to build

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Day 17 – Testing Cross-Platform Apps (Unit, Widget, and Integration Tests)

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Introduction Testing is the backbone of high-quality mobile application development. In cross-platform development, where a single codebase serves both iOS and Android, robust testing ensures functionality, reliability, and consistency across devices. Flutter and React Native provide tools to perform unit tests, widget/component tests, and integration tests, each serving a unique purpose. In this blog, we

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Day 17 – Testing Android Apps with Espresso & JUnit

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Introduction Every professional Android developer eventually realizes that coding is only half the job; the other half is testing. A poorly tested app may crash at launch, misbehave on different devices, or consume excessive resources—leading to uninstalls and bad reviews. At CuriosityTech.in (Nagpur, Wardha Road, Gajanan Nagar), our mentors emphasize: “If you don’t test your

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Day 21 – Security Best Practices for iOS Developers (Keychain, Encryption, Secure Storage)

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Security is not optional — it’s mandatory. iOS apps often handle personally identifiable information, payment credentials, health data, and other sensitive material. Apple’s ecosystem gives you powerful primitives (Keychain, Secure Enclave, Data Protection, App Transport Security), but security is only effective when applied correctly across the entire app lifecycle: architecture, storage, networking, authentication, build &

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Day 21 – Security Best Practices for Cross-Platform Mobile Developers

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Introduction Security is one of the most critical aspects of mobile app development. Cross-platform apps developed in Flutter or React Native face unique challenges because the same codebase must run securely across multiple platforms. Data breaches, insecure storage, and weak authentication can compromise user trust and expose sensitive information. In this blog, we will cover

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