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How to use proxy IP to crawl web pages in Java
- Using proxy IP can significantly improve web crawling efficiency and success rate, especially when facing high-frequency requests or restricted access websites.
- Java provides a rich network library that makes it relatively simple to integrate proxy IP for web crawling.
- To use proxy IP in Java, you need to set up the proxy server information and create a Proxy object. Then, open the connection and set up the proxy using the HttpURLConnection class.
- Alternatively, you can use third-party libraries like Apache HttpClient to simplify code, provide richer functions, and better performance for setting up proxy IP.
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Medium
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Understanding the Singleton Pattern with C# Examples
- The Singleton pattern is useful when you need to limit the number of instances of a class to just one.
- There are two different ways to implement the Singleton pattern in C#.
- The first approach creates the Singleton instance as soon as the class is loaded.
- The second approach uses lazy initialization and thread safety with the help of the Lazy
class.
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Midnight Resolutions and the Passenger’s Lull
- The protagonist recounts their struggle with their 'dark passenger' that visits them at midnight.
- Reflecting on their battle against their darkness, they find solace in watching an episode of Dexter.
- Inspired by Dexter's struggle, the protagonist finds motivation to work on their programming assignments.
- Despite feeling productive, the dark passenger continues to loom, leaving uncertainty for the night ahead.
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Medium
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Just-In-Time Languages Are Taking Over
- Just-In-Time (JIT) languages are gaining popularity due to their fast compile times and instant code execution.
- Interpreted languages, like Python, are known for their fast runtimes as they execute code line by line without compilation.
- Although interpreted languages are often considered slower, JavaScript, an interpreted language, can run faster than some compiled languages.
- JavaScript's speed is attributed to its widespread usage and continuous efforts to optimize its performance.
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Medium
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Frame player with s3 images
- Efficient image loading is key to a snappy React application.
- Techniques for efficient image loading include using optimized image formats like WebP, lazy loading images, and using image placeholders.
- Amazon S3 provides a scalable and cost-effective solution for storing and serving images in a React application.
- Optimization techniques like on-the-fly image resizing using services like AWS Lambda or CloudFront functions can further improve performance.
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Medium
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How I Built a Profitable Newsletter Business in 30 Days
- In just thirty days, the author built a profitable newsletter business without creating any products, engaging in direct selling, or managing a website.
- The key to their success was leveraging the Faceless AI-Powered Newsletter Business Training, which allows individuals to focus on other aspects of life while still generating income.
- The training provides detailed instruction on building a successful newsletter business and includes valuable bonuses.
- Anyone can thrive in this environment, regardless of their skills or background, and achieve similar results as previous successful participants.
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Medium
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Mastering Higher-Order Functions in JavaScript: A Friendly Guide
- Higher-order functions (HOFs) are powerful features in JavaScript.
- They allow functions to interact with other functions.
- Map() applies a callback to every element of an array and returns a new array.
- Filter() is used to selectively filter out elements from an array.
- Reduce() reduces an array into a single value using a callback function.
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Medium
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Babe Coin Moves to BNB Blockchain: A New Chapter in Our Journey
- Babe Coin has moved to the BNB Blockchain.
- The decision was based on the robust infrastructure, lower transaction fees, and faster transaction times offered by the BNB Blockchain.
- Benefits for Babe Coin holders include enhanced security, lower fees, and faster transactions.
- The move marks the beginning of a new era for Babe Coin, as they continue to innovate and expand their ecosystem.
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Medium
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Why Top Tech Companies Are Breaking Their Own Systems on Purpose
- Chaos Engineering thrives in live production to reveal flaws and complexities that testing environments can't replicate.
- Real-world applications include Netflix's Chaos Monkey, Google's DiRT, and Amazon Web Services (AWS).
- Companies take the plunge into Chaos Engineering to handle real-world complexity and prepare teams for swift response.
- Chaos Engineering involves regular, scheduled experiments, minimizing risk, automatic recovery, monitoring, and analysis.
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Dev
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Why You Hate Test Coverage
- Test coverage is a valuable measure in software development.
- Many people dislike test coverage because it often becomes a target instead of a measurement.
- Test coverage should be seen as a measurement, not a target, and should build confidence in software.
- Focus on achieving 100% coverage and prioritize other aspects of testing.
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Difference Between and Tags in HTML
- The tag in HTML is used for visual styling purposes and does not convey any additional meaning or emphasis.
- The tag in HTML is used to indicate text of great importance, adding semantic meaning and signaling its significance to browsers and assistive technologies.
- When using , it is purely for visual presentation, while conveys importance or urgency.
- Using for headings, product names, or decorative text, and for warnings, key instructions, or vital information is recommended.
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Medium
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Automating Linux System Tasks with Python and Fabric: A Masterclass
- Fabric 2.x (or later) is a tool used for automating Linux system tasks with Python.
- Fabric allows seamless deployment of web applications, managing tasks across servers, and transferring files.
- It provides robust error handling, automation of security audits, and simplifies operations on Kubernetes clusters.
- Fabric can also automate incremental backups to remote servers, making Linux system management efficient and enjoyable.
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Medium
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I am really new to Solaris SMF and was writing an SMF for Weblogic Nodemanager.
- Before installing WebLogic on Solaris 10, ensure system meets minimum requirements, including RAM, disk space, and compatible JDK.
- Pay attention to proper network configuration and perform system check before proceeding with installation.
- Configure Solaris permissions and file system structure correctly during WebLogic installation.
- Utilize WebLogic administration console for managing server, security, deployment, and monitoring.
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Dev
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Creating a live HTML, CSS and JS displayer
- This article discusses how to build a live HTML, CSS and JavaScript displayer using codepen.io as a source of inspiration. The article explains the basic concepts of HTML, CSS, and JavaScript while explaining the code used to create the displayer. The article covers HTML tags, selectors, properties & values, Flexbox, Transitions, Dark Mode styling, Specific Selectors, event listeners, functions, variables, and debouncing. The displayer features an editor area, editor header, code area, and preview area.
- The article defines HTML as the skeleton of a website, CSS as the decorator, and JavaScript as the electrical wiring that controls the interactive elements of the site. The article goes on to explain how each of these languages works together to create a functional web page.
- The displayer is built by selecting various HTML elements using their IDs and classes in JavaScript so that they can be later manipulated. A function is defined to update the preview page, which utilizes the user's inputted code to render a webpage. Another function is defined to handle the debounce effect when the user types in the text box area, and the editor header is set up to show line numbers and allow the user to switch between HTML, CSS, and JavaScript tabs.
- The full-screen view is built to toggle when the user clicks the button and changes the inner text of the fullScreenToggle element to either compress or expand the window. A theme toggle button is also included, which switches the styles of elements from light to dark.
- Key concepts discussed in the article include DOM manipulation, event listeners, functions, variables, and debouncing.
- In conclusion, the article is an excellent resource for anyone interested in building a live HTML, CSS, and JavaScript displayer while learning the basic concepts of these languages.
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Dev
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Flutter vs React Native in 2025: A Comprehensive Comparison
- Flutter and React Native are two of the most popular frameworks for mobile app development in 2025.
- Flutter uses the Dart programming language and is known for its fast performance and expressive UI, while React Native is a JavaScript-based framework that uses native components.
- The article provides a comprehensive comparison of Flutter vs React Native in terms of performance, programming languages, UI/UX development, cross-platform support, development speed, and business considerations.
- Flutter's standout features include its Skia rendering engine and hardware acceleration, while React Native has made significant strides in performance with the introduction of the Hermes engine and concurrent rendering.
- Flutter's widget-based approach allows for pixel-perfect UIs, while React Native leverages native components to provide a platform-specific look and feel.
- Flutter offers a unified codebase for mobile, web, and desktop, while React Native is primarily designed for mobile-first development.
- Flutter is recommended for projects requiring high performance and cross-platform consistency, while React Native is a better choice for startups and businesses with tight deadlines.
- The decision ultimately comes down to your specific project requirements, team expertise, and long-term goals.
- The article concludes by recommending Flutter for high-performance apps with graphics-heavy features or real-time updates, and React Native for cost-effective, mobile-first solutions with a shorter learning curve.
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