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Tekinga Resume qilisa boadigan websitlar(Free Resume builder)

📄 Bepul Resume Tayyorlash Sayti – Ish Qidiruvchilar Uchun Ajoyib YechimBugungi kunda yaxshi tayyorlangan rezume (CV) ish topishda eng muhim vositalardan biridir. Ko‘pchilik yoshlar yoki tajribasiz mutaxassislar o‘zlari haqida professional ko‘rinishda CV yozishda qiynaladi. Shu sababli, internetda mavjud bo‘lgan bepul resume tuzuvchi saytlar sizga katta yordam bo‘lishi mumkin.🛠️ Canva – Eng oson va zamonaviy resume tayyorlashCanva – bu bepul dizayn platformasi bo‘lib, unda siz CV, vizitkalar, bannerlar va boshqa ko‘plab dizaynlarni yaratishingiz mumkin. Ayniqsa CV dizayn shablonlari juda ko‘p va foydalanuvchilar uchun qulay.🧑‍💼 Nima uchun Canva?TekinJuda ko‘p shablonlarMobil qurilmalarda ham ishlaydi📌 Resume.io – Oddiy va TezResume.io foydalanuvchilar uchun juda qulay va soddaligi bilan mashhur. Siz o‘zingiz haqingizda ma’lumot kiritishingiz bilan sayt avtomatik tarzda tayyor shablonlarga joylashtirib beradi.🧑‍💼 Nima uchun Resume.io?Juda ko‘p shablonlarTekin(lekin faqat bir marotaba va cheklanga shablonda)🧰 Cvcons.com/buildercvcons.com/builder bu ozim sheriklikda qilgan website va bu tekin webiste xoxlagan shblonda resume qilsa boladi va pdf shaklida yuklab olsa boladi lekin bu hali mvp bolib kamchiliklar bor lekin resume qilsa boladi va pellik tariflari bor xozirda u beta bolib hali toliq ishga tushmagan🧑‍💼 Nima uchun cvcons.com/builder?tekinATS-friendlybu shunchaki men ishlatgan resume builder websitlar bolib bundan ham yaxshiroqlari bolishi mumkin ,bu websitlarni tajribamdan kelib chiqib aytyapman va oxirgi aytgan resume builder bu shunchaki reklama maqsadida yozdim🤣(lekin ishlatsa boladi).

resumejobapplication

April 21, 2025 • Developer

Kompaniyadagi Eng zerikarlik ishlarimdan biri (Korean Company)

2025-04-16 boshlab Shu paytgacha bolgan eng zerikarlik ish qildim yani Boshqa developerni code ni refactor qildim , Bir paytlar oylardim qiziqarli bolsa kerak code refactoing lekin endi bildim juda zerikarli ish ekan 🤣. Lekin majburman Team Lead tomonidan berilgan ishQanaqa project?Bu 5 oy oldin yangi kirgan developerga bergan butun boshli katta project edi va U kirgan developer entry level developer edi 🤣. Shuni bildimki Start-up kompaniyalarda Developerni ish stajiga qaramasdan katta va jiddiy ishlar beravardikan( bu meni shaxsiy fikrim va tajribamdan kelib chiqqan xulosam va bu koreada) va bu yaxshi narsa va osish yaxshi boladigan omillardan biri lekin unga yolyoriq korsatib tursagin (lekin ozimni tajribamdan kelib chiqib shuni aytamanki shu paytgacha hech korea companiyasida bunaqa developerni uchratmadim .bu shaxsiy va shunchaki fikrm).Va bu loyha Educational platform edi va anchagina yaxshi tajriba osa boladigan loyha edi.lekin bu normal xolat deb oylayman hechkim bir zumda zor kod yozib ketolmaydi hamma ham xato qiladim va ozim ham yaxshi code yozman deb oylamayman lekin noiloji qilishga majbur boldim.Nimalar ishlatilgan?Bu fullstack loyha bolib Front-endga : "dependencies": { "@nextui-org/modal": "^2.0.41", "axios": "^1.7.7", "dayjs": "^1.11.13", "next": "14.2.13", "react": "^18", "react-daum-postcode": "^3.1.3", "react-icons": "^5.3.0", "zod": "^3.23.8", "zustand": "^5.0.2" }, //next.js app routeshular ishlatilganBack-end uchun "dependencies": { "@grpc/grpc-js": "^1.12.6", "@grpc/proto-loader": "^0.7.13", "@nestjs/common": "^11.0.1", "@nestjs/core": "^11.0.1", "@nestjs/jwt": "^11.0.0", "@nestjs/microservices": "^11.0.9", "@nestjs/passport": "^11.0.5", "@nestjs/platform-express": "^11.0.1", "@nestjs/swagger": "^11.0.3", "@types/passport-jwt": "^4.0.1", "passport-jwt": "^4.0.1", "reflect-metadata": "^0.2.2", "rxjs": "^7.8.1", "shared-prisma": bu shunchaki prisma },shular ishlatilgan.Front-endni refaktor qilish uchun road mapbirimchi orinda Atomic Design degan pattern dan foydalandimva hamma codelarni bolib chiqdim.va loyha javascriptda kotarilgan edi men uni Typescriptda kotarib chiqyapman chunki typescriptsz code yozish xato deb bilaman😁.va back end ga keladigan bolsak backend ni ozim qilganedmi va uni refacktor qilishga xojatyoq deb bilaman (chunki ozimi codim 🤣) va back end uchun SAGA patterndan foydalanganman qiziqqanlar bisa shu linkdan kirib korish mumkinhttps://www.baeldung.com/cs/saga-pattern-microservicesA developerning codidan misollarbu code ozgina qism va shunchaki korib tushuncha hosil qilsh uchun ulashdim(va ulashishdan hechqanday yomon maqsad yoq va ozimham kuchli developermasman shunchaki qolimdan kelganicha togirlashga harakat qilayapman)export async function createSchedule(token, data) { const url = `${server}/calendar/create-schedules`; try { return await axios .post(url, data, { headers: { Authorization: `Bearer ${token}` } }) .then((res) => res.data.schedule_id); } catch (error) { console.log("스케쥴 생성 에러러러", error); } } /////// export async function getMySchedules(token, id) { const url = `${server}/calendar/schedules/${id}`; try { return await axios .get(url, { headers: { Authorization: `Bearer ${token}` } }) .then((res) => res.data); } catch (error) { console.log("스케쥴 가져오기 에러러러", error); } } ///////////////// export async function getASchedule(token, id) { const url = `${server}/calendar/get-schedule/${id}`; try { return await axios .get(url, { headers: { Authorization: `Bearer ${token}` } }) .then((res) => res.data); } catch (error) { console.log("스케쥴 가져오기 에러러러", error); } } //////////////////////// export async function deleteScheduleById(token, id, schoolId) { const url = `${server}/calendar/schedules/${id}`; console.log("test", token, schoolId, id); console.log("test", url); try { const response = await axios.delete(url, { headers: { Authorization: `Bearer ${token}`, }, data: { school_id: schoolId }, }); console.log("Successfully deleted schedule:", response.data); } catch (error) { console.error("Error in deleteSchedule:"); } } //////////////////////////////////// export async function patchSchedule(token, data,id) { const url = `${server}/calendar/schedules/${id}`; try { return await axios .patch(url, data, { headers: { Authorization: `Bearer ${token}` } }) .then((res) => res.data.schedule_id); } catch (error) { console.log('스케쥴 생성 에러러러', error); } }Bu code haqidan nima deb oylaysizlar va commentda ozingizni fikirlaringizni qoldirishinglar mumkinMeni fikrim =>har bitta Apiga maxsus fil yaratardim va serverside fetch qilinishi kerak bolgan va clientda fetch qilinishi kerak bolgan apilarni ajratib olib har bittasiga alohida fayl yaratmochiman chunki ertaga ozragtish kerak bolsa osongina topib ozgartirishga qulay va clean turadi keyin client side da fetch qilish uchun react-query dan foydalanmoqchiman chunki bu juda zor libray ozi kop narsalarni handle qilib beradi.css ni orniga styled-component ni ishlatmoqchi bolgan edim kodni kopligini korib cssni ozida qolishga qaror qildm🤣.keyin yana xatoliklardan biri errorlar handle qilinmagan va loading statelar handle qilinmagan va website juda sekin edi sababi oylashimcha bilmasdan hamma datalarni serversideda fetch qilgan b websiteni juda sekinlashtirib yuborgan.chunki hamma narsani ham serverda fetch qilish xato deb oylayman.Va xullas qiladigan ish kop va oylshimcha yana bir hafta cha vaqt ketadiganga oxshaydi 😒.bu blogni yozishimdan maqsadim shunchaki korea companylardangi tajribalarimni va muhitni ulashish.[by Isroiljon].

next.jskoreadevelopment

April 21, 2025 • Developer

Top Next.js Problems and How to Solve Them

Next.js is one of the most popular frameworks for React-based development due to its powerful features like server-side rendering (SSR), static site generation (SSG), and dynamic routing. However, like any complex framework, developers may encounter a range of challenges. In this post, we’ll cover some of the most common issues faced by Next.js developers and provide solutions and best practices to overcome them.1. Slow Build TimesOne of the most common issues when working with Next.js is slow build times, especially as your application grows.Why it happens:Next.js relies on the file system for routing. If you have a large number of pages, it can take time for Next.js to process them.If you’re using a lot of images, scripts, or other assets, these can also increase build time.How to fix it:Use Incremental Static Regeneration (ISR): This allows you to regenerate static content on-demand rather than at build time, which can significantly reduce the time spent building your site.Optimize images: Use the Next.js Image component and configure it for optimal performance.Consider dynamic imports: Split your code into smaller chunks with dynamic imports to improve load times and reduce the initial bundle size.const LazyComponent = dynamic(() => import('../components/LazyComponent'), { ssr: false, // disable SSR for the component if not needed }); 2. Client-Side Navigation Issue with Link ComponentThe Next.js Link component is designed to optimize client-side navigation. However, developers sometimes face issues where pages are not preloaded correctly or links don’t function as expected.Why it happens:Missing or incorrect usage of the href attribute.Using dynamic routes with incorrect parameter values can cause issues when navigating.How to fix it:Always ensure that the href is correctly defined. If using dynamic routes, ensure that the URL matches the expected pattern.Preload pages using the next/link prefetch feature, which can improve navigation speeds.<Link href="/about"> <a>About Us</a> </Link> 3. Image Optimization IssuesNext.js comes with built-in image optimization via the next/image component, but sometimes images don’t load as expected or appear blurry.Why it happens:Incorrect configuration of the Next.js Image component.The src attribute may not point to a valid image or a properly configured CDN.How to fix it:Always use the Next.js Image component for better optimization and ensure it has width and height defined.Ensure your images are hosted properly, and consider using a CDN for faster delivery.import Image from 'next/image'; <Image src="/path-to-image.jpg" alt="Description" width={500} height={500} /> 4. Server-Side Rendering (SSR) IssuesServer-side rendering (SSR) allows your pages to be rendered on the server before being sent to the browser. However, developers often encounter issues where the page is rendered incorrectly or errors arise due to asynchronous data fetching.Why it happens:SSR relies heavily on data-fetching methods like getServerSideProps, and misconfigurations in these methods can cause issues.Mixing client-side logic in server-side code can break the application.How to fix it:Ensure that you are using getServerSideProps or getInitialProps correctly. Avoid using client-side hooks (like useEffect) that modify state on the initial render.Be mindful of how your data is fetched—ensure the server has access to the data needed to render the page.export async function getServerSideProps() { const res = await fetch('https://api.example.com/data'); const data = await res.json(); return { props: { data } }; } 5. Routing Problems with Dynamic RoutesDynamic routes are one of Next.js’s most powerful features, but they can sometimes lead to confusion or errors if the parameters are not handled correctly.Why it happens:Incorrect file structure in the /pages directory can break dynamic routing.Failure to pass the correct query parameters when navigating to a dynamic route.How to fix it:Ensure your dynamic route files are named correctly. Next.js uses the file system to map routes, so file names with square brackets ([param]) are crucial.For example:/pages/posts/[id].js // This corresponds to /posts/:id route 6. API Routes Not Working ProperlyAPI routes are a great feature in Next.js, allowing you to build serverless API endpoints right in your Next.js app. However, developers sometimes run into issues with their API routes not responding as expected.Why it happens:Incorrect setup in the pages/api directory.Missing CORS configuration or incorrect HTTP methods.How to fix it:Ensure that the API routes are located in the pages/api directory, and double-check the HTTP method (GET, POST, etc.) used in the request.If you are accessing the API from the client, ensure that the URL is correctly constructed.// Example of an API route in Next.js export default async function handler(req, res) { if (req.method === 'GET') { const data = await fetch('https://api.example.com/data'); const result = await data.json(); res.status(200).json(result); } else { res.status(405).end(); // Method Not Allowed } } 7. Deployment IssuesNext.js apps are commonly deployed to platforms like Vercel, Netlify, or custom servers. Sometimes, deployment can cause issues like missing environment variables or incorrect builds.Why it happens:Misconfigured environment variables or missing configurations for production.Incorrect build settings for platforms like Vercel or Netlify.How to fix it:Ensure that all environment variables are set up correctly in the deployment platform’s settings.Double-check the next.config.js file to make sure production-specific settings are included.# In the deployment platform NEXT_PUBLIC_API_URL=https://api.example.com 8. Custom 404 Page Not ShowingNext.js allows you to create custom 404 pages, but sometimes developers find that their custom page is not showing up when a user navigates to a nonexistent route.Why it happens:Missing or incorrect setup of the pages/404.js file.How to fix it:Make sure you have a file named 404.js inside the pages directory and that it’s properly formatted.// pages/404.js export default function Custom404() { return <h1>404 - Page Not Found</h1>; } ConclusionNext.js offers incredible flexibility and features, but like any complex framework, it comes with its own set of challenges. By understanding common problems and implementing best practices, you can ensure your app is performant, scalable, and SEO-friendly.Remember to keep an eye on build times, optimize your images, write efficient API routes, and pay attention to routing and deployment issues. By doing so, you’ll be able to create high-quality applications that stand out in search engine results and deliver a great user experience.

next.jsproblemsolve

April 21, 2025 • Developer

Next.sj (App route) build Error( ⨯ Next.js build worker exited with code: 1 and signal: null )

In next.js app route, i was creating project and i have came across to strange error while i was building it with npm run build and it gave this errorinfo - Need to disable some ESLint rules? Learn more here: https://nextjs.org/docs/app/api-reference/config/eslint#disabling-rules ✓ Linting and checking validity of types ✓ Collecting page data Error occurred prerendering page "/". Read more: https://nextjs.org/docs/messages/prerender-error TypeError: fetch failed at node:internal/deps/undici/undici:13185:13 at process.processTicksAndRejections (node:internal/process/task_queues:95:5) at async Promise.all (index 0) at async m (C:\Users\leemi\Desktop\mini-blog\.next\server\app\page.js:1:21043) at async h (C:\Users\leemi\Desktop\mini-blog\.next\server\app\page.js:1:21372) Export encountered an error on /page: /, exiting the build. ⨯ Next.js build worker exited with code: 1 and signal: nullAnd it is because of fetching data in serverside inside home (page) file like thisas you can see i am fetching data in server side inside home ( / ) page ,and i thinkThis typically happens when:You're trying to fetch() from an external API that is offline, misconfigured, or slow.You're calling fetch() during getStaticProps, getServerSideProps, or React Server Components (in the App Router), and it throws during build.You're trying to fetch from your own API routes (like /api/posts) during build time, which won’t work unless the server is actually running (which it’s not during build).because for me when i was building it there was no working api .And the Solution i found for this proble is thisexport const dynamic = "force-dynamic";and add it to my home page and it all workedhere is the where to useimport ArrowButton from "@/components/atoms/button/show-more"; import { Wrapper } from "@/components/atoms/wrapper"; import AllPosts from "@/components/organisms/all-post"; import Header from "@/components/organisms/header"; import PostGrid from "@/components/organisms/post-grid/post-grid"; import { fetchHomePosts } from "@/lib/fetch-latest-blog"; export default async function Home() { const { latestPosts, trendingPosts } = await fetchHomePosts(); return ( <Wrapper> <Header /> <PostGrid initialData={latestPosts} /> <AllPosts initialData={trendingPosts} /> <ArrowButton /> </Wrapper> ); } export const dynamic = "force-dynamic";And result

Next.jsFront-endApp route

All blog posts

April 19, 2025 • Developer

🌍 Why Learning to Code is Like Learning a Superpower

In today’s digital world, coding is no longer just for engineers or Silicon Valley startups — it’s becoming a core skill like reading or writing. Whether you're building websites, automating tasks, or analyzing data, code is the invisible force powering modern life.Learning to code gives you the ability to create instead of just consume. Want to build a website for your art? Done. Automate boring daily reports? Easy. Create a game? Go for it.What’s most exciting is how coding changes how you think. You become better at breaking down problems, thinking logically, and solving things step-by-step — skills that apply far beyond your computer screen.And here’s the best part: anyone can learn. With thousands of free resources online and a community that loves to share, the hardest part is just starting. So go ahead — try it. Because once you start seeing what’s possible, you won’t want to stop.🚀 The Journey from Beginner to BuilderWhen you first start coding, it can feel like learning a new language — and that’s because it is. At the beginning, things like semicolons, curly braces, and cryptic error messages might seem overwhelming. But the truth is: every developer starts there. The difference between a beginner and an expert is simply time, curiosity, and persistence.The internet is full of playgrounds for you to explore:Want to build something visual? Try HTML, CSS, and JavaScript.Interested in AI or data? Dive into Python.Love making apps? Learn React Native or Flutter.Dreaming of backend systems? Explore Node.js, Django, or FastAPI.The key is to start small. Build a personal project. A to-do list. A portfolio site. A mini-blog. Each one builds confidence and helps you grow from a learner into a creator.💡 Code is CreativePeople often think programming is cold or robotic — but it’s actually a deeply creative act. You're building things from nothing. Solving problems. Designing experiences. Just like writing, music, or art, coding gives you the tools to express yourself.The feeling of solving a bug after hours of trying? Magical. Watching your app come to life for the first time? Addictive. Sharing something you built with others? Incredibly rewarding.🌱 Final ThoughtsLearning to code is one of the best investments you can make in yourself — not just for your career, but for how you understand and shape the world around you.So whether you're building for fun, for freedom, or for your future — keep going.The world runs on code. Why not help write it?

Web developmentApiPython

April 21, 2025 • Developer

Kompaniyadagi Eng zerikarlik ishlarimdan biri (Korean Company)

next.jskoreadevelopment

April 23, 2025 • Developer

Tekinga Resume qilisa boadigan websitlar(Free Resume builder)

resumejobapplication

April 20, 2025 • Alex

Exploring Python: The Versatile Language for Developers

Python is one of the most popular and versatile programming languages in the world today. With its clear syntax, powerful libraries, and wide range of applications, Python has become the language of choice for many developers, data scientists, engineers, and web developers.What is Python?Python is an interpreted, high-level programming language designed with an emphasis on simplicity and readability. Created by Guido van Rossum and first released in 1991, Python has steadily gained popularity due to its clean and easy-to-understand syntax, which makes it beginner-friendly while also being robust enough for professionals.Why Python?Python stands out for several reasons:Readable Syntax: Python was created with readability in mind. Its clean and readable syntax makes it easy to write and understand code, even for beginners. The use of indentation (rather than curly braces or keywords) for defining code blocks is one of its distinguishing features.Cross-Platform: Python is cross-platform, meaning that code written on one operating system (Windows, macOS, Linux) can be easily run on another without modification.Large Community and Ecosystem: Python has a massive and active community of developers contributing to a vast ecosystem of libraries and frameworks. This makes it easy for developers to find solutions, share knowledge, and access tools that suit a variety of applications.Extensive Libraries: Python comes with a rich standard library and supports a wide range of external libraries for various tasks, such as data manipulation, web development, machine learning, and more. Popular libraries include NumPy, Pandas, TensorFlow, Flask, and Django.Versatile Applications: Python’s flexibility makes it suitable for a wide range of applications, from web development to data science, machine learning, automation, game development, network programming, and more. Python is also commonly used for scripting, where it automates repetitive tasks.Open-Source: Python is open-source, meaning that anyone can use, modify, and distribute the language for free. This has contributed significantly to its widespread use and community-driven development.Key Features of PythonDynamically Typed: Python is dynamically typed, meaning that variable types do not need to be declared explicitly. This leads to more flexible and concise code, though it also means type errors can arise during runtime if the types are misused.# Dynamically typed x = 10 # Integer x = "Hello" # String (No need to declare type)Interpreted Language: Unlike compiled languages like C++ or Java, Python is an interpreted language, meaning the Python code is executed line-by-line by the Python interpreter. This allows for more rapid development and testing but may lead to slower performance compared to compiled languages.Garbage Collection: Python automatically manages memory allocation and deallocation through garbage collection, which means developers don't have to manually free memory. This reduces the likelihood of memory leaks and improves development efficiency.Object-Oriented: Python supports object-oriented programming (OOP), allowing developers to create classes and objects. This allows for better code organization, reusability, and maintainability.Extensive Documentation: Python has an extensive set of documentation available, making it easy for both beginners and advanced users to find solutions and examples for almost any problem.Common Uses of PythonWeb Development: Python is widely used for web development. Frameworks like Django and Flask provide powerful tools to build robust and scalable web applications quickly. Django, in particular, is a high-level framework that follows the "batteries-included" philosophy, providing everything you need to build a web app.Example of web development using Flask:from flask import Flask app = Flask(__name__) @app.route('/') def hello(): return "Hello, World!" if __name__ == "__main__": app.run()Data Science and Machine Learning: Python is the go-to language for data science and machine learning due to its extensive libraries like Pandas (for data manipulation), NumPy (for numerical operations), Matplotlib (for data visualization), and Scikit-learn (for machine learning).Example of using Pandas to load and analyze data:import pandas as pd # Load dataset df = pd.read_csv('data.csv') # Show the first 5 rows print(df.head())Automation and Scripting: Python is often used for automating repetitive tasks. Whether it's web scraping, file handling, or system administration, Python’s simplicity and wide range of libraries make it ideal for automation.Example of web scraping using BeautifulSoup:import requests from bs4 import BeautifulSoup response = requests.get('https://example.com') soup = BeautifulSoup(response.text, 'html.parser') print(soup.title)Game Development: Python also finds use in game development. Libraries like Pygame help developers create 2D games with ease. While Python is not as fast as languages like C++ for game development, it is still popular for simple games and prototypes.Network Programming: Python offers tools for network programming, making it useful for tasks like building servers, creating network protocols, and automating network tasks.Scientific Computing: With libraries like SciPy, SymPy, and Matplotlib, Python is commonly used in scientific computing to solve mathematical, engineering, and physics-related problems.Advantages of PythonEase of Learning: Python's simple and readable syntax makes it a great choice for beginners.Productivity: Python's high-level nature and large standard library make it a highly productive language, enabling developers to get more done with fewer lines of code.Cross-Domain Usage: From web development to data science, Python is versatile and applicable to many domains.Community Support: With a vast and active community, Python developers can easily find tutorials, documentation, and support.Challenges of PythonPerformance: As an interpreted language, Python can be slower than compiled languages like C or Java. For high-performance applications, developers may need to use optimized libraries or implement parts of their code in other languages.Mobile Development: While Python is great for desktop and server-side applications, it is not widely used for mobile app development. However, there are frameworks like Kivy and BeeWare that allow Python developers to create mobile applications.Threading: Python's Global Interpreter Lock (GIL) can be a bottleneck in multi-threaded applications, limiting the performance of multi-core CPUs.The Future of PythonPython’s future looks incredibly bright. As technology evolves, Python continues to adapt and grow. With its strong presence in the realms of AI, data science, and web development, Python is set to remain one of the most important languages in the tech world for years to come.ConclusionPython’s simplicity, readability, and broad range of applications make it an essential language for developers. Whether you’re building web applications, analyzing data, or automating repetitive tasks, Python provides the tools you need to get the job done efficiently and effectively. With its continued growth and an ever-expanding ecosystem, Python is undoubtedly one of the most important languages in the world of programming today.

PythonProgramming

April 20, 2025 • Muller

A Comprehensive Guide to TypeScript: Why and How to Use It

TypeScript has become one of the most popular programming languages for web development, and for good reason. As a superset of JavaScript, TypeScript offers static typing, which can significantly improve code quality, maintainability, and scalability. In this blog, we will explore what TypeScript is, why it's beneficial for developers, and how you can integrate it into your JavaScript projects.What is TypeScript?TypeScript is a programming language developed by Microsoft that builds upon JavaScript by adding optional static typing. Essentially, TypeScript is JavaScript with additional features such as type annotations, interfaces, and enums. Once TypeScript code is written, it is compiled (or transpiled) into plain JavaScript, which can be executed in any JavaScript environment, such as browsers or Node.js.Why Use TypeScript?There are several reasons why TypeScript is gaining traction among developers:Static Typing for Better Code Quality Static typing is one of TypeScript’s standout features. In a dynamically typed language like JavaScript, it’s easy to introduce bugs where variables or function arguments are of the wrong type. TypeScript helps eliminate these issues by allowing developers to define types explicitly. This results in fewer runtime errors and better code quality.Improved Developer Tooling and IDE Support Since TypeScript provides type information, it enables better autocompletion, inline documentation, and error detection in editors like Visual Studio Code. This leads to faster development cycles and improved developer productivity.Scalability for Large Projects TypeScript's static typing helps in scaling large applications by providing better tooling and architecture. With larger codebases, maintaining and refactoring code can be challenging. TypeScript’s features, like interfaces and generics, allow for clearer code and help developers prevent common errors that can arise in bigger projects.Early Bug Detection TypeScript allows you to catch errors during the development process before they make it to runtime. The TypeScript compiler will flag errors related to type mismatches, which can help prevent bugs that would otherwise only be caught later in the development cycle.Better Collaboration With TypeScript, you can define clear contracts between functions and objects. This makes it easier for teams to collaborate since everyone knows the types and shapes of data being passed around. TypeScript’s type system is also a form of self-documentation, making it easier for developers to understand what’s happening in the code.TypeScript FeaturesTypeScript comes with several features that make it stand out from JavaScript:Static Type Checking With TypeScript, you can define types for variables, function parameters, return values, and more. This enables early error detection and makes the code easier to read and understand.let username: string = "Alice"; let age: number = 25;Interfaces Interfaces allow you to define the structure of objects, ensuring that objects conform to a certain shape. This helps maintain consistency across your codebase.interface User { name: string; age: number; } const user: User = { name: "John", age: 30, };Generics TypeScript’s generics allow you to write reusable, type-safe functions and components. You can define a function that works with multiple data types while preserving type safety.function identity<T>(arg: T): T { return arg; } let result = identity<string>("hello");Enums TypeScript introduces enums, which allow you to define a set of named constants. Enums improve code readability and help to avoid magic numbers or strings.enum Color { Red, Green, Blue, } let favoriteColor: Color = Color.Green;Type Inference TypeScript can automatically infer types based on the value assigned to a variable. While it's still beneficial to declare types explicitly, TypeScript’s type inference makes it easier to write clean, readable code.let num = 10; // TypeScript infers that num is a numberDecorators TypeScript supports decorators, which are a way to add metadata to classes, methods, properties, or parameters. This feature is especially useful in frameworks like Angular.Getting Started with TypeScriptTo get started with TypeScript, you’ll need to install it first. You can install TypeScript globally or locally using npm:npm install -g typescriptAfter installation, you can create a .ts file and start writing TypeScript code. To compile the TypeScript code into JavaScript, run the following command:tsc your-file.tsTypeScript also offers a tsconfig.json file, where you can configure various compiler options. Here's an example configuration:{ "compilerOptions": { "target": "ES6", "module": "commonjs", "strict": true, "esModuleInterop": true, "skipLibCheck": true } }Integrating TypeScript with JavaScript ProjectsYou can gradually introduce TypeScript into an existing JavaScript project. TypeScript allows you to rename .js files to .ts and start adding types incrementally. This is especially useful for teams that are already using JavaScript and want to take advantage of TypeScript’s benefits without a full rewrite.ConclusionTypeScript is a powerful tool for developers who want to improve code quality, reduce bugs, and create more maintainable applications. By offering static typing, better developer tooling, and scalability for large projects, TypeScript provides a much-needed layer of safety and clarity on top of JavaScript. Whether you're working on small or large-scale applications, adopting TypeScript can greatly enhance your development workflow and prevent errors down the line.If you’re working with JavaScript today, it’s worth considering the adoption of TypeScript in your projects. The benefits in terms of maintainability, scalability, and productivity are undeniable!

typescriptWebprogramming

Top FANG Interview Questions You Need to Know

April 20, 2025 • Muller

An Introduction to Three.js: Creating Stunning 3D Visualizations for the Web

In the world of web development, making rich, interactive 3D graphics is no longer reserved for specialized software. Thanks to Three.js, developers can now create stunning 3D visuals right in the browser using JavaScript. Whether you're building games, interactive simulations, or just adding some flair to your website, Three.js offers a powerful, yet easy-to-use, framework for bringing 3D experiences to life on the web.In this blog, we’ll take a closer look at Three.js, explore its capabilities, and walk through a simple example to help you get started.What is Three.js?Three.js is an open-source JavaScript library that simplifies the process of creating and rendering 3D graphics in the browser. Built on top of the WebGL API, which is responsible for rendering 3D graphics in browsers, Three.js abstracts away many of the complexities of working with WebGL directly. This makes it easier for developers to create 3D scenes, animations, and interactive visualizations without deep knowledge of lower-level graphics programming.Core Features of Three.jsThree.js offers a wide range of features for developers, some of which include:3D Geometry: Easily create 3D objects like cubes, spheres, and complex meshes.Lights and Shadows: Add realistic lighting to your scene, and configure different shadow effects.Materials and Textures: Apply materials (like basic, Lambert, and Phong) and textures to objects for a more realistic look.Camera and Viewports: Control the camera position, field of view, and other parameters to view the 3D world.Animation: Create animations for objects and scenes, including keyframe animation and tweening.Interactivity: Add interactivity using mouse and touch input, allowing users to interact with 3D objects.Post-processing: Apply special effects like bloom, depth of field, and more after rendering the scene.These features, combined with an active community, extensive documentation, and examples, make Three.js a fantastic choice for anyone looking to build 3D experiences on the web.How Does Three.js Work?Three.js simplifies the process of rendering 3D scenes by handling the complex parts of WebGL for you. The library provides an easy-to-understand API for working with scenes, cameras, objects, and renderers. Here’s a breakdown of the key components:Scene: The environment that contains all your objects, lights, and cameras.Camera: The viewpoint from which the scene is viewed. Three.js provides multiple camera types (e.g., perspective and orthographic) to suit different needs.Renderer: The engine that renders the scene to the browser’s canvas using WebGL or other rendering methods like CSS3D.Object3D: The basic building block for any 3D object in Three.js. This can be a simple object like a cube or a more complex 3D mesh.Lights: Different types of light (ambient, point, directional) can be used to illuminate the objects in the scene.Materials and Textures: Materials define how objects react to light, and textures add detail to these materials, giving them a more realistic appearance.Basic Example: A Rotating CubeLet’s go through a simple example to help you get started with Three.js. This example will render a rotating cube in the browser.Set up your project: First, you need to include Three.js in your project. You can download it from Three.js’s official website or use a CDN link. Here's an example using a CDN:<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Three.js Example</title> <style> body { margin: 0; overflow: hidden; } canvas { display: block; } </style> </head> <body> <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script> <script> // 1. Create scene const scene = new THREE.Scene(); // 2. Create camera const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000); // 3. Create renderer const renderer = new THREE.WebGLRenderer(); renderer.setSize(window.innerWidth, window.innerHeight); document.body.appendChild(renderer.domElement); // 4. Create cube geometry const geometry = new THREE.BoxGeometry(); const material = new THREE.MeshBasicMaterial({ color: 0x00ff00 }); const cube = new THREE.Mesh(geometry, material); scene.add(cube); // 5. Set camera position camera.position.z = 5; // 6. Animation loop function animate() { requestAnimationFrame(animate); // Rotate cube cube.rotation.x += 0.01; cube.rotation.y += 0.01; // Render scene renderer.render(scene, camera); } animate(); </script> </body> </html>Explanation of the Code:Scene Creation: const scene = new THREE.Scene(); initializes the scene where all 3D objects will be added.Camera Setup: const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000); sets up the camera with a field of view (FOV) of 75 degrees, and a near and far plane of 0.1 and 1000 units respectively.Renderer: const renderer = new THREE.WebGLRenderer(); sets up the WebGL renderer to display the scene in the browser.Cube Creation: We create a cube using THREE.BoxGeometry and apply a basic green material using THREE.MeshBasicMaterial.Animation: The animate function continuously rotates the cube around its x and y axes and renders the updated scene every frame using requestAnimationFrame.Advanced Use Cases for Three.jsWhile the above example is a simple starting point, Three.js can handle much more advanced visualizations:3D Games: You can use Three.js to build fully interactive 3D games, complete with physics engines and real-time interaction.Virtual and Augmented Reality: With the help of the WebVR and WebXR APIs, Three.js can be used to create immersive VR/AR experiences directly in the browser.Data Visualizations: Three.js is commonly used to create interactive, real-time 3D data visualizations, especially in fields like data science and analytics.Animations and Simulations: Whether it’s simulating physics or creating smooth animations, Three.js makes it easy to animate objects in 3D space.3D Models and Textures: Three.js supports importing 3D models from formats like OBJ, GLTF, and FBX, and applying textures and lighting for realistic visuals.Resources to Learn MoreOfficial Three.js Documentation: https://threejs.org/docs/Three.js Examples: https://threejs.org/examples/Three.js GitHub Repository: https://github.com/mrdoob/three.js/Community and Tutorials: There are numerous tutorials and courses available on platforms like YouTube, Udemy, and freeCodeCamp that dive deeper into Three.js.ConclusionThree.js is an incredibly powerful library that opens the door for developers to create immersive, interactive 3D experiences directly in the web browser. Whether you’re interested in building 3D games, visualizing data, or adding interactive 3D elements to your site, Three.js provides the tools you need to get started quickly and efficiently.With its vast capabilities and an ever-growing community of users, Three.js is an excellent choice for anyone looking to dive into the world of 3D web development.Start experimenting with Three.js today, and see how you can bring your creative ideas to life!

Three.jsJavascriptweb

April 20, 2025 • Dev_01

💡 Understanding Design Patterns in Software Development

In the ever-evolving world of software development, writing clean, reusable, and maintainable code is essential. That’s where Design Patterns come in. These are proven solutions to common problems in software design that help developers tackle complex coding challenges with elegance and efficiency.Whether you're a beginner learning to structure your code better or a seasoned developer aiming to follow best practices, understanding design patterns can significantly enhance your development skills.📌 What Are Design Patterns?Design patterns are typical solutions to common problems in software design. They are like blueprints that you can customize to solve a particular design problem in your code.They’re not libraries or code you can plug into your project—they’re concepts or templates that guide how you structure your code for common use cases, like creating objects, organizing classes, or managing communication between components.✅ Think of design patterns as time-tested guidelines that lead to robust, scalable, and easy-to-read code.🧠 Why Use Design Patterns?✅ Promote code reusability✅ Improve communication between developers with a common vocabulary✅ Ensure maintainability and scalability✅ Help with refactoring and reducing code smells✅ Reduce technical debt🏗️ Categories of Design PatternsDesign patterns are generally divided into three main categories:1. Creational PatternsThese deal with object creation mechanisms, trying to create objects in a manner suitable to the situation.Popular Creational Patterns:Singleton: Ensures a class has only one instance and provides a global point of access to it.Use case: Logging, configurations, or DB connections.Factory Method: Allows a class to defer instantiation to subclasses.Use case: When the exact type of the object isn’t known until runtime.Abstract Factory: Creates families of related or dependent objects.Use case: UI themes, widget sets.Builder: Separates the construction of a complex object from its representation.Use case: Creating complex documents or UI components.Prototype: Creates new objects by copying an existing one.Use case: When object creation is costly.2. Structural PatternsThese focus on how classes and objects are composed to form larger structures.Popular Structural Patterns:Adapter: Allows incompatible interfaces to work together.Use case: Integrating legacy or third-party APIs.Decorator: Adds new behaviors to objects dynamically.Use case: UI components, middleware.Facade: Provides a simplified interface to a larger body of code.Use case: Wrapping complex libraries.Composite: Treats individual objects and groups of objects uniformly.Use case: UI trees, file systems.Proxy: Controls access to another object.Use case: Lazy loading, access control, logging.3. Behavioral PatternsThese deal with communication between objects, helping define how objects interact and distribute responsibility.Popular Behavioral Patterns:Observer: Notifies all dependent objects when one object changes state.Use case: Event systems, UI state sync.Strategy: Enables selecting an algorithm’s behavior at runtime.Use case: Sorting methods, payment gateways.Command: Encapsulates a request as an object.Use case: Undo/redo, task queues.State: Allows an object to alter its behavior when its internal state changes.Use case: Finite state machines.Chain of Responsibility: Passes requests along a chain until handled.Use case: Middleware in web apps.🛠️ Example: Singleton Pattern in TypeScriptHere’s a quick example of the Singleton pattern in TypeScript:class Singleton { private static instance: Singleton; private constructor() {} public static getInstance(): Singleton { if (!Singleton.instance) { Singleton.instance = new Singleton(); } return Singleton.instance; } public log(): void { console.log('I am the only instance!'); } } const logger1 = Singleton.getInstance(); const logger2 = Singleton.getInstance(); console.log(logger1 === logger2); // true💡 Explanation: Only one instance of the Singleton class can exist. This pattern is great for things like database connections, where you want to ensure a single shared resource.📘 Real-World Examples of Design PatternsReact Context API → Observer patternRedux → Mediator, ObserverExpress middleware → Chain of ResponsibilityMongoose schema builder → BuilderReact hooks → Strategy (selecting how state or side effects are handled)🚀 Best Practices for Using Design Patterns🧩 Use when needed, not for the sake of using them🧼 Keep code readable and maintainable🤝 Communicate with team using design pattern names to explain architecture🔍 Continuously refactor and improve based on evolving needs🔚 ConclusionDesign patterns are essential tools in a developer’s toolkit. They empower you to write better, cleaner, and more scalable code. While they shouldn’t be used blindly, understanding when and how to apply them can significantly enhance your code quality and team collaboration.Start small—implement a few in your projects and build your understanding over time. Before you know it, you’ll start recognizing patterns instinctively in your day-to-day development.

PatternsProgramming

April 19, 2025 • Isroiljon

🧭 Next.js Page Routes vs App Routes — What's the Difference?

With the introduction of the App Router in Next.js 13+, developers now have two paradigms for defining routes: the traditional Pages Router and the modern App Router. Understanding the difference between the two is key to deciding which one best fits your project.🔹 Pages Router (Pre-Next.js 13)The Pages Router is the classic file-based routing system used in Next.js since the beginning. It's still widely supported and maintained.📁 Structure/pages ├── index.tsx // → / ├── about.tsx // → /about └── blog └── [id].tsx // → /blog/:id✅ FeaturesBased on file structure inside /pagesSupports dynamic routes via [param]Built-in API routes via /pages/apigetStaticProps, getServerSideProps, getInitialProps for data fetchingWorks great for traditional SSR and SSG❌ LimitationsLess flexible layoutsLess powerful streaming and partial renderingNo support for server components🔹 App Router (Introduced in Next.js 13)The App Router is a newer system introduced with Next.js 13, designed to offer more flexibility and control over modern React app architecture.📁 Structure/app ├── page.tsx // → / ├── layout.tsx // Shared layout ├── about │ └── page.tsx // → /about └── blog └── [id] └── page.tsx // → /blog/:id✅ FeaturesSupports React Server Components out of the boxBuilt-in layouts, templates, and loading statesgenerateStaticParams, generateMetadata, fetch() for data fetchingGreat for nested routes and modular designFine-grained control over SSR, SSG, and client-side behavior❌ CaveatsNewer and more complex mental modelSome 3rd party libraries may not support server components yetStill evolving, some features can feel less mature than pages🆚 Key DifferencesFeaturePages RouterApp RouterDirectory/pages/appData FetchinggetStaticProps, etc.fetch(), generateStaticParams, etc.LayoutsRepeated in each page or with _app.tsxlayout.tsx with nested layoutsServer Components❌ Not supported✅ Fully supportedStreaming❌ Limited✅ SupportedRoutingFile-basedFile-based + nested structureCompatibility✅ Stable✅ Actively developing🤔 Which One Should You Use?Starting a new project? → Go with the App Router for more flexibility and future-proof architecture.Maintaining an older codebase? → Stick with the Pages Router unless a refactor is worth it.Need custom layouts or partial loading states? → App Router is your friend.💡 TipYou can mix both in the same project, but it’s recommended to choose one for consistency. Mixing can lead to confusion and extra complexity.🔚 ConclusionNext.js is evolving to support the future of React with powerful features like Server Components and nested layouts. While the Pages Router remains a stable choice, the App Router unlocks advanced features and a cleaner structure.Choose the one that fits your team’s needs — and don’t be afraid to explore both!

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