Spent over an hour debugging 😅 an API call, only to realize that adding a simple console.log() made it work. 🤔 What happened? It turns out that logging affected the timing of execution, which led to subtle changes in how the code behaved. In JavaScript, Node.js, or Next.js, this can happen due to race conditions, async timing, or even JIT optimizations. While this can make bugs temporarily "disappear," it's crucial to remember that logging only masks the underlying issue. Identifying and fixing the root cause, like race conditions or improper state handling is the real solution. sometimes the bug isn’t really gone, it’s just hiding for a bit 😅 #debugging #javascript #nodejs #nextjs #programming #developers
Debugging API call with console.log() in JavaScript
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https://lnkd.in/gDBCmqbJ Learn how to avoid these critical useEffect bugs that could be breaking your React applications right now! In this tutorial, we cover the most common mistakes developers make with React hooks and show you exactly how to fix them. #react #javascript #webdev #reacthooks #useeffect #programming #coding #tutorial #reactdeveloper #webdevelopment #frontend #reacttutorial #javascripttutorial #codingtutorial #programmingtutorial #reacthooks #reactmistakes #reactbugs #reactperformance #reactbestpractices
6 useEffect Mistakes Every React Developer Makes (And How to Fix Them)
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JS or TS 🤔? Why Not Both 😎? | Stop Choosing Between JavaScript and TypeScript Choosing between JavaScript and TypeScript is like asking whether you should learn to walk or run. You walk first :) then you run faster and safer. JS gives you the foundation. TS gives you superpowers. Together, they make you unstoppable in modern frontend and backend development. If you’re serious about growing as a developer => learn both. #JavaScript #TypeScript #Developers #WebDev #Programming #learn
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Ever felt lost in the complexities of the Node.js EVENT LOOP? 🤔 Let's demystify this core concept for better JavaScript performance! The Node.js Event Loop (powered by V8 and libUV) is the HEARTBEAT ❤️ of asynchronous JavaScript. Understanding it is CRUCIAL for writing efficient Node.js applications. Here are three key takeaways: 💡 Grasp the difference between BLOCKING and NON-BLOCKING I/O. Blocking I/O halts the entire process, non-blocking doesn't. ⏱️ Understand the nuances of `setImmediate` vs. `setTimeout(0)`. While seemingly similar, they behave differently in the event loop's execution order. `setImmediate` prioritizes I/O cycle, while `setTimeout(0)` goes to the timer queue. 🧵 Optimize your UV_THREADPOOL_SIZE. This determines the number of threads available for asynchronous operations. Increasing it can boost performance for CPU-intensive tasks. What's YOUR favorite Node.js performance tip? Share in the comments! 👇 #Nodejs #JavaScript #EventLoop #Asynchronous #Programming #Backend #Performance
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Just React theory? Here are 3 practical components you'll actually use: 1. SearchBar with Debouncing - Optimizes API calls on user input. 2. Modal/Popup - Reusable for forms, confirmations, and details. 3. Infinite Scroll - Perfect for feeds and data-heavy lists. What's your go-to reusable component? Share below! 👇 #ReactJS #WebDevelopment #JavaScript #Coding #Frontend #SoftwareEngineering #100DaysOfCode #Programming #Tech #Developer
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⚙️ Ever wondered how JavaScript actually executes your code behind the scenes? 🤔 It’s not magic — it’s how the engine works! 🚀 👉 The JavaScript Engine (like V8) runs your code in two main phases: 1️⃣ Memory Creation Phase – Variables and functions get allocated in memory. 2️⃣ Execution Phase – Code runs line by line inside the Call Stack. 🧠 When asynchronous tasks (like setTimeout, API calls, or Promises) come in — they move to the Web APIs, then to the Callback Queue / Microtask Queue, and finally back to the Call Stack through the Event Loop. That’s the secret sauce of how JavaScript handles concurrency and non-blocking execution so smoothly! 💫 #javascript #webdev #frontend #coding #softwareengineering #reactjs #nodejs #programming #developers #typescript #LearningEveryday
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If you’ve ever created a service in Angular with providedIn: 'root' and wondered why the constructor doesn’t run unless you inject it, this post is for you. I break down: What Environment Initializers are in Angular Why services are not instantiated automatically How to run logic at app startup How to run logic only when a specific route loads Clean examples using provideEnvironmentInitializer() and route-level providers This is super useful for: ✅ Analytics initialization ✅ Global browser event listeners ✅ Feature startup logic ✅ Cleaner architecture without “dummy injections” Read the full article here: https://lnkd.in/dff_m9S7 #Angular #WebDevelopment #Frontend #JavaScript #TypeScript #Programming #Developers #SoftwareEngineering #Angular18
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🔥 Simplify Your React State Management — Boost Efficiency with These 5 Tricks" 1️⃣ Keep state local unless it truly needs sharing 2️⃣ Use the Context API for small shared states 3️⃣ Go for Zustand or Redux when you need complex global stores 4️⃣ Use React Query to sync server-side data seamlessly 5️⃣ Avoid premature optimization — refactor when it’s actually needed 💡 Pro tip: Clean, minimal state management makes scaling effortless and debugging painless. 💬 Which of these tips has improved your React workflow the most? Share your insights in the comments! #codingHumor #DeveloperLife #ProgrammerProblems #WebDevelopment #SoftwareEngineering #CodeLife #TechCommunity #ReactJS #JavaScript #FrontendDeveloper #BackendDeveloper #Debugging #StackOverflow #ProgrammingMeme #FunnyTechPost #Developers #Programmer
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Node.js Developers It’s Time to Say Goodbye to dotenv. With the release of Node.js v20.6 and above, environment variable management just got a major upgrade. You no longer need to rely on external packages like dotenv to load your .env files. Node.js now provides a built-in --env-file flag, allowing you to load environment variables natively cleanly, securely, and with zero dependencies. #Nodejs #BackendDevelopment #JavaScript #WebDevelopment #Dotenv #CleanCode #Node20 #Programming #Developers
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