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Servlet: The Foundation of Java Web Technology
- This article offers an introduction to Servlet technology ecosystem, which is the basis of many Java web technologies like JSP, Spring MVC, etc.
- The article discusses the Servlet API and its components like Servlet, Filters, ServletContext, Listeners, and ServletContainerInitializer.
- It also talks about the two main ways of registering components with the Servlet Container declarative registration (web.xml deployment descriptor) and programmatic registration (annotations).
- Additionally, the article provides practical examples to demonstrate how to leverage Servlet technology components like Filters, HttpSessionListener, and ServletContainerInitializer in microservices-based applications.
- The article is essential for Java developers who use Spring Boot and Spring MVC as the foundational knowledge of Servlet technology is required to understand how Spring leverages servlets to build powerful web applications.
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Week 4 Recap of #100DaysOfCode
- This week has been an incredible journey of learning, solving challenges, and making significant progress on my application.
- Learning and Growth: The week involved integrating encryption, exploring Heroicons and Tailwind, implementing dark mode, working with backend APIs and S3 integration, and deploying the app.
- Challenges and Troubleshooting: Some of the challenges faced included connecting Docker and backend APIs, resolving issues with dark mode, handling file uploads, and debugging and testing.
- Progress and Milestones Achieved: Achievements included completing the dashboard development, implementing user authentication and API security, adding error handling, and submitting the project to a hackathon.
- Looking Ahead: The plans for the upcoming week include thorough testing, final deployment, and gathering feedback to improve the application further.
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Medium
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From room-sized computers to palm-sized industrial computers
- The article discusses the features of the CM4, a palm-sized industrial computer.
- It is about a third of the size of a typical credit card and comes with various features.
- These features include Gigabit Ethernet, M.2 B KEY/Mini-PCIe for 5G/4G/LoRa module, Nano-SIM card slot, USB 2.0 ports, RS485 and CAN interfaces, MIPI CSI-2 camera connector, HDMI with 4K output, RTC battery slot, and more.
- Important notes to consider are regarding hot plugging, fan voltage, writing CM4 via Type C interface, power supply, and avoiding simultaneous power from 12V DC and 5V Type C.
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Dev
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SVG hacks for you
- SVG elements are a notable pain point in web development, and the correct syntax of SVG elements is essential for the creation of vector graphics, which can be generated by using a polygon, a polyline or path tag, among others.
- Using SVG elements requires the proper syntax, as they are representations of geometric figures. A properly formatted SVG file can be created using programs like Adobe Illustrator or Inkscape.
- Some important SVG tags include the group, path, rect, circle, polygon and polyline tags. The viewBox argument is also key to ensuring proper scaling and positioning of SVG elements.
- Fill is managed by the evenodd value, which helps to fill only inside the crossing path segments. The use of this value can be crucial when drawing polygons or paths.
- Optimizing an SVG file is important before publishing it to a website. SVGO is a useful tool for this process, as it eliminates unnecessary data in the file.
- Animations are a complicated topic when it comes to SVG elements. Programs like Lottie and manual animation of SVG elements in CSS can be used to create animations.
- Proper SVG syntax and usage is essential for creating and displaying vector graphics on the web.
- The correct syntax of SVG elements can be easily checked by ensuring the icon consists of geometric shapes such as rect, circle, polygon or polyline.
- ViewBox argument is vital in proper positioning and scaling of SVG elements in an HTML document.
- SVGO is a great tool for optimizing SVG files, with a default preset configured for immediate use.
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Dev
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Integrate Daytonia in a Url Shortener App
- Daytona is an open-source tool for effortless development environment management.
- The article explains how Daytona was integrated into a URL shortener app.
- The steps to integrate Daytona with the app include setting up a MySQL database on Daytona, updating environment variables, updating the Docker Compose file (if using Docker), and importing the database schema into Daytona.
- The article also mentions testing the app to ensure it connects to the Daytona-managed MySQL database correctly.
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Dev
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Embracing Disappearing Frameworks: A Future of Efficient Web Development
- Disappearing frameworks aim to minimize or eliminate JavaScript delivery to improve web development efficiency.
- Leading disappearing frameworks include Qwik, Astro, Marko, and Eleventy.
- Benefits of disappearing frameworks include improved performance, enhanced SEO and accessibility, and simplified development.
- Ideal use cases for disappearing frameworks are content-heavy websites, e-commerce platforms, and landing pages.
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Dev
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Cyberdev Obsidian Theme
- Cyberdev Obsidian Theme is a specially designed theme for developers working on their computers late at night.
- The theme focuses on minimizing eye strain and achieving high contrast using contrasting colors on a black background.
- Challenges faced during development include screen brightness, readability, simplicity, and code readability.
- The theme is open-source under the MIT License and project files can be accessed on GitHub.
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Dev
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Mastering Responsive Design: Best Practices for 2025
- Start with Mobile-First Design
- Use Modern CSS Features
- Test Your Design
- Optimize for Touch Screens
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Medium
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Decentralized Applications: Shaping the Future of Digital Innovation
- Decentralized applications (DApps) are software programs that run on blockchain networks.
- Key features of DApps include decentralization, open source codebases, token economy, and consensus mechanisms.
- Benefits of DApps include enhanced security, autonomy, transparency, and cost efficiency.
- Real-world applications of DApps include decentralized finance, gaming, supply chain, and healthcare.
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Medium
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Scalable Architecture for Your Games With An RTS Walkthrough: Part 1
- In Unity projects, maintaining a clean and efficient project architecture is essential for long-term scalability.
- Instead, you can avoid these pitfalls by designing isolated, entity-specific solutions that limit dependencies.
- An important part of clean architecture is to keep functionality modular and self-contained.
- In game development, an entity is a self-contained object that represents something in the game world.
- Unity is designed as a compositional engine, where the functionality of its entities is defined by the components added to the GameObjects and their children.
- Managers should be reserved for scenarios where global interaction is needed.
- Handler scripts can also be introduced to manage smaller, more focused functionality.
- This tutorial series will guide you step by step, from setting up basic agent movement to implementing group behaviors and deploying agents as structures.
- With a clear focus on clean architecture, this project will provide a foundation for creating scalable Unity games that can grow with your ideas.
- By splitting logic compositionally and relying on smaller components to build overall functionality, the project remains modular, scalable, and well-prepared for further development.
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Dev
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How to Become a Successful Software Developer in 2024
- Contributing to open-source projects is one way to improve your skills, make connections, and build a strong portfolio.
- Build your network by attending industry events, connecting with professionals on LinkedIn and Reddit, and participating in online discussions.
- Mastering fundamentals such as operating systems, data structures, and debugging, along with staying updated with new trends in technology, provides a solid foundation for becoming a successful software developer.
- Creating content such as articles, videos, or social media posts not only reinforces knowledge but also helps establish a personal brand and contributes to the developer community.
- Taking risks, trying new technologies and approaches, and being open to job opportunities are also essential to succeeding as a software developer.
- Open-source projects foster connections with seasoned developers who can provide guidance and mentorship.
- Networking provides opportunities for job offers, partnerships, and continuous learning opportunities.
- Mastering the fundamentals and staying updated with industry trends is a must-have for becoming a successful software developer.
- Creating content and sharing knowledge helps establish a personal brand and contributes to the development community.
- Trying new approaches, technologies, and being open to job opportunities is critical to breaking through barriers and moving forward.
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Medium
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EMPOWERING A SECURE DIGITAL FUTURE WITH THE POTENTIAL OF SMART CONTACTS.
- Smart contracts are self-executing agreements that live on the blockchain, triggering automated actions without intermediaries.
- They enhance operational efficiency and automate tasks in industries such as insurance and decentralized finance.
- Challenges include security concerns and regulatory complexities that need to be addressed.
- Morpheus Labs offers an AI-driven Smart Contract Studio to simplify development, testing, and deployment.
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Dev
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My React Journey: Day 23
- Props are properties that are read-only and passed from parent to child components.
- PropTypes ensure that props have the correct data type during development.
- DefaultProps provide default values for props when none are passed.
- State is an object within a component that holds dynamic values and can change over time.
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Dev
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LeetCode Meditations: Number of 1 Bits
- Given a positive integer n, write a function that returns the number of set bits in its binary representation (also known as the Hamming weight).
- One way to count the set bits is by converting the number to a string or array and counting the 1s. However, a more efficient approach is to use bit manipulation.
- By continuously performing the AND operation of n and (n - 1), we can remove the rightmost set bit and count each set bit as we go.
- The time complexity of this approach is O(log n), and the space complexity is O(1).
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Dev
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Enjoying free CoPilot? Why not do it safely..
- GitHub has made CoPilot free for everyone, but users need to be aware of the risks involved.
- Coding assistants can accidentally leak sensitive information like secrets, passwords, and credit card numbers.
- These tools might also suggest malicious or dangerous code.
- To address these risks, users are encouraged to use CodeGate, a Docker image that protects secrets, vets input, warns about sketchy packages, and helps write safer code.
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