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Dev
2w
423
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Beginner's Guide to Learn HTML: Your First Step in Web Development
- HTML is the backbone of web development, allowing control over content display on browsers.
- HTML uses tags to direct browsers in performing commands and formatting elements.
- Tags in HTML consist of an opening and closing tag, forming a proper structure.
- Understanding the difference between an element (including content) and a tag is crucial in HTML.
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Dev
2w
168
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Screener.in Search API: A Performance Checkup! đ
- The article examines the Screener.in stock screener API and highlights inefficient practices in the search functionality.
- The search sends a new API call to the server for each keystroke made by the user.
- This inefficient use of network resources leads to server and network overload.
- To fix this issue, the article suggests debouncing, throttling, and client-side caching techniques.
- Debouncing involves delaying API calls until the user has paused typing, using a timer with a delay period.
- Throttling involves limiting the number of API calls over a specific time period and reducing server load.
- Client-side caching stores results from previous searches directly in the user's browser and reduces network activity.
- The article also recommends sending one big message with all the search information instead of lots of little ones.
- Optimizing search functionalities is vital for building efficient applications.
- The synergy of debouncing, throttling, client-side caching, and batch requests can dramatically improve search systemâs performance.
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Dev
2w
90
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Chrome DevTools: Everything You Need to Know
- Chrome DevTools is an essential tool for every web developer as it offers a wide range of features that make the debugging and optimization process more straightforward.
- The Performance tab on DevTools can be used to collect some metrics for the performance of a web application. In the recently versions of Chrome, the web vitals are the three essential metrics for a healthy website.
- Web Vitals are a set of essential metrics that Google defines to measure user experience regarding a website's performance.
- Last Contentful Paint (LCP) measures the web page loading performance, whereas First Input Delay (FID) measures the time it takes from the moment the user first interacts with the page.
- Cumulative Layout Shift (CLS) measures visual stability or the number of unexpected layout shifts that occur during user interactions.
- In the application tab, users can see the storage of a web application like Session Storage, Local Storage, IndexDB, Cookies, and the Service Worker if the application uses this resource.
- IndexedDB is a more advanced local database that allows the storage of large amounts of structured data, such as JavaScript objects, and can be used to store data related to offline web applications.
- In the network tab, users can analyze what was sent in the request, such as the request body, header, cookies, and much more.
- In the Source tab, developers can analyze an application's source code and third-party libraries to perform a debug.
- Google's Chrome User Experience Report (CrUX) is a valuable source for measuring the actual experience of using a website and can be accessed through tools such as Google PageSpeed⢠Insights, Google Search Console, or directly on tools like Chrome DevTools.
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Testim.io
2w
272
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A look back at 2024: growth, change, and whatâs coming in 2025
- The year 2024 was packed full of milestones for testing, including the release of the Tricentis for Dev Teams showcase which brought developers and QA pros closer together.
- Testim Copilot, an AI-powered test automation sidekick was introduced and helped tests become more efficient and intuitive.
- AI and machine learning were used to boost stability with testing power, allowing teams to scale on large enterprise projects and smaller apps.
- Mobile testing became even better with Testim Mobile's upgraded version, providing faster test authoring, deeper insights, and new support for native apps, hybrid apps, and cross-platform frameworks.
- Salesforce testing was also made easier, thanks to the introduction of low-code test automation through Testim Salesforce.
- The Tricentis World Tour traveled the globe and focused on the theme of âQuality is Everythingâ and how AI-powered test automation and management are changing the way we work.
- Looking ahead to 2025, AI will continue to be a driving force in test automation and mobile adoption will continue to grow.
- Tools like Testim Mobile will ensure superb experiences for mobile users and low-code automation will enable both hardcore testers and business users to play a part in delivering quality.
- Despite many challenges in 2024, the testing community grew together, found new ways to ensure quality, and pushed boundaries with new technologies.
- There were new feature releases, AI-driven advancements, and brand new support for cross-platform frameworks.
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Dev
2w
211
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What does Supabase use for its Authentication?
- Supabase uses its own library for authentication called @supabase/auth-js.
- The Signin page in Supabase's workspace contains the SigninForm component for email and password authentication.
- The onSignIn function in SignInForm.tsx file calls the auth.signInWithPassword function.
- The auth function is imported from the lib/gotrue file in the common package of Supabase.
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Medium
2w
375
2025 Social networking
- Global Connectivity: Social networks have made it possible to connect with people from all over the world.
- Real-Time Information Sharing: Social networks enable us to share information and stay updated on current events in real-time.
- Networking Opportunities: Social networks provide a platform for professionals to connect, network, and find job opportunities.
- Community Building: Social networks enable us to connect with people who share similar interests and passions, building online communities around shared interests.
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Dev
2w
285
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Is Flask Dead? Is FastAPI the Future?
- FastAPI, a Python web framework, has been gaining popularity over the past few years and is increasingly being seen as a replacement for Flask.
- FastAPI has built-in support for Pydantic, an increasingly popular user data validation solution, which simplifies the data validation process and reduces errors.
- FastAPI natively supports concurrent and asynchronous code, making it much faster and efficient compared to Flask.
- FastAPI also supports ASGI, a standard that allows for Asynchronous Server Gateway Interface and provides high performance to forwarded requests.
- Flask, on the other hand, has drawbacks, such as lacking in-built libraries, which can result in the use of mixed quality third-party plugins.
- FastAPI has a much larger community of contributors when compared to Flask, and the distinction continues to grow every day.
- FastAPI, which is designed for building API services, provides new developers with the benefit of being relatively simple and easy to get into, and as far as flexibility is concerned, FastAPI promises to do quicker jobs at scale against Flask.
- It is imperative to note that developers today think of Flask as having lived out its lifecycle, and FastAPI is the future of Python web development.
- Leapcell is a cloud computing platform that claims to offer an ideal deployment platform for Flask and FastAPI applications.
- This cloud computing platform also claims to be cost-effective, efficient, and effortless in terms of scalability and high performance.
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Dev
2w
332
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A Deep Dive into the Latest Features and Improvements
- React 19 introduces actions and optimistic state for better form handling and UX.
- New meta tags API allows for better management of document metadata.
- Enhanced server components with improved streaming and suspense integration.
- Asset loading optimization with APIs for preloading critical images and fonts.
- New useFormState hook for managing form state and useTransition improvements.
- Performance improvements with automatic batching of state updates.
- Enhanced error boundary for improved error handling.
- React 19 brings significant improvements to developer experience and performance.
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Dev
2w
323
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5 Powerful Python Generator Techniques for Efficient Big Data Processing
- Python generators are powerful tools for efficient big data processing, allowing us to work with large datasets without loading everything into memory at once
- Generator expressions produce values on-the-demand, producing a memory-efficient approach for processing large datasets
- Yield from statement is a powerful tool for flattening nested generators and improves performance when working with complex data structures
- Infinite generators are useful for creating data streams or simulating continuous processes and can be used in generating data indefinitely or until a certain condition is met
- Generator pipelines are an elegant way to build complex data transformation chains, allowing efficient processing of large datasets
- The itertools module provides fast, memory-efficient tools for working with iterators, particularly useful when processing generator output
- Proper error handling is crucial while working with generators, as generators can be exhausted requiring potential StopIteration exceptions and errors during processing
- Python generators are particularly useful for processing large log files and large XML documents
- Implementing data pipelines in ETL (Extract, Transform, Load) processes using generators are also excellent
- Tips for optimizing performance when working with generators include: using generator expressions instead of list comprehensions, caching for expensive computations within generators, using the itertools module and considering parallel processing for CPU-bound tasks
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Hackernoon
2w
56
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Senior Web Developers Are Using These 11 Design Patterns to Write Squeaky Clean React Code
- React Design Patterns help you make your React code cleaner, more efficient, and easier to understand.
- Design patterns are tried-and-tested solutions to common coding problems.
- Design patterns help you keep your code organized and avoid common pitfalls.
- Important React design patterns include Container and Presentational Components, Custom Hooks, and Compound Components.
- Other useful React design patterns include Prop Combination, Controlled Components, Error Boundaries, Lazy Loading, and Data Management with Providers (Context API).
- Using React Design Patterns allows you to improve code quality standards, reduce bugs, boost efficiency, improve collaboration, and scale better.
- However, it's important to keep in mind that overusing certain design patterns can make your code more complex and harder to understand.
- Learning and mastering React Design Patterns is an essential step towards becoming a senior web developer.
- By adopting these patterns in your everyday work, you'll be equipped to solve a variety of development challenges and create applications that are both performant and easy to maintain.
- To summarize, React Design Patterns can make your code more efficient, easier to maintain, and scalable. Adopting these patterns is crucial for creating robust and user-friendly web applications.
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Dev
2w
77
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Mastering Quick Sort: A Fundamental Algorithm in Computer Science
- Quick Sort is a fundamental algorithm in computer science known for its elegance and efficiency.
- It follows the divide-and-conquer strategy, dividing an array into two parts based on a chosen pivot.
- The algorithm recursively applies Quick Sort to the sub-arrays.
- Quick Sort is widely used in sorting large datasets and has applications in various fields.
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4 Likes
Dev
2w
198
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Deploying Your Node.js Backend for Free on Vercel
- Deploying Your Node.js Backend for Free on Vercel
- Today, Iâll show you how to deploy your Node.js backend to Vercel without spending a dime!
- Start Your Node.js Project
- Prepare for Vercel đŚ
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Ubuntu Handbook
2w
30
Ruby 3.4 Released with âitâ, Modular Garbage Collector, Improved YJIT
- Ruby 3.4.0 (later updated to 3.4.1) has been released with several new features and improvements.
- New features include the introduction of 'it' block parameter reference and modular garbage collector (GC).
- The release also includes improvements to the YJIT compiler and the switch to the Prism parser as the default parser.
- Other changes include support for keyword splatting, restrictions on block passing and keyword arguments in index, and various bug fixes and updates.
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Dev
2w
225
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What are the best practices for integrating Playwright with Jenkins
- Utilize Docker for consistent environments by using Playwright's official Docker images.
- Ensure all necessary dependencies are installed before running tests.
- Archive test reports and artifacts for easy review after each build.
- Configure environment variables to provide required configurations for tests.
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Medium
2w
211
SWARMS Coin, Revolutionizing Business Automation with AI
- Swarms is a project aiming to revolutionize business automation using AI and multi-agent frameworks.
- $SWARMS token is central to the project, enabling participation and incentivizing the creation of powerful AI-driven systems.
- Key features include multi-agent frameworks, scalability and flexibility, third-party integration, and a developer-friendly environment.
- Swarms has the potential to change how businesses operate and leverage AI to enhance efficiency.
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