Micha(el) Bladowski’s Post

🚀 Understanding Client-Side Scripting vs Server-Side Scripting In web development, scripting plays a crucial role in creating dynamic and interactive applications. Let’s break it down simply: 💻 Client-Side Scripting Runs in the user’s browser. ✔ Enhances user experience ✔ Faster execution (no server request needed) ✔ Common language: JavaScript 🌐 Server-Side Scripting Runs on the web server. ✔ Handles business logic & database operations ✔ Ensures security and data processing ✔ Common languages: Python, Java, PHP, Node.js 🔍 Key Difference: Client-side focuses on UI/UX, while server-side focuses on data processing & backend logic. 💡 Both are essential for building powerful, scalable, and user-friendly web applications. #WebDevelopment #ClientSide #ServerSide #JavaScript #Backend #Frontend #FullStack #Programming #LearningJourney

Have you ever struggled with serializing and deserializing data in JavaScript? I've seen teams spend hours debugging issues with JSON, only to realize that it's not the best tool for the job. In a real-world scenario, a team I worked with was building a complex web application and was using JSON to store and transfer data between components. However, they soon realized that JSON was not able to handle the complexity of their data, leading to errors and inconsistencies. The core insight here is that JSON is not always the best choice for data serialization. A good rule of thumb is to use StructuredClone instead of JSON when dealing with complex data. One hidden pitfall for juniors is that JSON can lead to data loss and corruption if not used carefully. In conclusion, using StructuredClone can save you and your team a lot of headaches in the long run. So, make the switch and see the difference for yourself. #programming #webdev #javascript

[Video link in comments] As engineers, we need to understand the tools we already have, and how and when to use them. The "common wisdom" might not always work. For example, using a JOIN may solve your N+1 problem, but it may slow the execution greatly. Instead, a multi-query approach may work better, as explained in this video. Let me know what you think. #SQL #PHP #ComputerScience #CartesianProduct #Optimisation

A string is not an Email. An integer is not a Price. 🛑 One of the most common "code smells" I see in senior-level reviews is Primitive Obsession. It's the habit of using basic data types to represent complex domain concepts. Why is this a problem? Validation sprawl: You check for valid formats in 10 different places. Type Safety: You can't distinguish between a $userId and a $productId (they are both just ints!). Logic Leakage: Your business rules end up in your Controllers instead of your Models. The fix? Value Objects. 💎 By encapsulating the data AND the rules in a dedicated class, your code becomes self-documenting. It’s a small change that leads to a massive leap in maintainability. Are you a fan of Value Objects, or do you think they add too much "boilerplate" for simple projects? Let's discuss in the comments! 👇 #SoftwareEngineering #Refactoring #CleanCode #PHP #PHP8 #WebDevelopment #Laravel #Symfony

🚀 Spring Web MVC – Learning Update Over the past couple of days, I’ve been diving into Spring Web MVC and strengthening my understanding of how data flows between client and server. 🧠 Key Learnings: ✔️ Passing data (arrays & objects) from server ↔ client ✔️ Working with view technologies like JSP and Thymeleaf ✔️ Using annotations like @PathVariable, @RequestParam, and @ModelAttribute for handling requests and two-way binding ✔️ Implementing logging using Log4j 💡 This helped me understand how traditional MVC architecture works and how backend and frontend interact in a structured way. ✨ Step by step, building a strong foundation in backend development. #SpringMVC #Java #BackendDevelopment #WebDevelopment #LearningInPublic #DeveloperJourney

#JavaScript 6. what is the object? Key and value pairs or collections of the key-value pairs. Example : Var emplyee(){ Emplyee Name = “Dinesh” Emplyee Age = 35; }; Console.log(employee); 7. What is the Array? An array store multiple values in single variable or collection of values. Example: Let fruits = [“Apple” , “Orenge” , “Mango”]; 8. What is the functions? Reusable block of code. Example: Function greats (){ Console.Log(“Hello”); } 8.Different between == and === ? == is compare only values === is compare value + type 9. What is a template literal ? Used for string interpolation using backticks(). Example : Let name = “Dinesh” ; Console.log(‘Hello ${name}’); 10. What is a arrow function? Shorter syntax for writing functions. Example : Const add = (a, b) => a + b; #Learning , #SoftwareTesting

Just discovered "How To Create To-Do List App Using HTML CSS And JavaScript | Task App In Java..." by GreatStack. I used AI to get the key insights instantly instead of watching the full video. Read the summary here: 🔗 Read the summary: https://lnkd.in/gMwSyizS #YouTubeSummary #AITools #ContentCreation #Productivity #SummaryTube

In this lesson, I shared the basics of variables and data types in JavaScript. These are essential concepts that help store and manage data in any program. Practicing simple examples in VS Code makes it easier to understand how values work and how JavaScript handles different types of data. #JavaScript #WebDevelopment #FrontendDevelopment #CodingJourney #LearnJavaScript #Developers #VSCode #ProgrammingBasics

'𝘄𝗼𝗿𝗸𝗲𝗿_𝘁𝗵𝗿𝗲𝗮𝗱𝘀' 𝗱𝗼 𝗻𝗼𝘁 𝗵𝗮𝘃𝗲 𝘁𝗵𝗲 𝘀𝗮𝗺𝗲 𝗝𝗦 𝗵𝗲𝗮𝗽 𝗮𝘀 𝘁𝗵𝗲 𝗺𝗮𝗶𝗻 𝘁𝗵𝗿𝗲𝗮𝗱. As mentioned above, 𝗪𝗼𝗿𝗸𝗲𝗿𝘀 𝗿𝘂𝗻 𝗶𝗻𝘀𝗶𝗱𝗲 𝘁𝗵𝗲𝗶𝗿 𝗼𝘄𝗻 𝗩𝟴 𝗶𝘀𝗼𝗹𝗮𝘁𝗲 which has 𝗮 𝘀𝗲𝗽𝗮𝗿𝗮𝘁𝗲 𝗺𝗲𝗺𝗼𝗿𝘆 𝗹𝗶𝗺𝗶𝘁. Therefore, raising the memory limit for the main process via `--max-old-space-size` does not mean that the 𝗪𝗼𝗿𝗸𝗲𝗿𝘀 𝗴𝗲𝘁 𝗮𝗱𝗱𝗶𝘁𝗶𝗼𝗻𝗮𝗹 𝗺𝗲𝗺𝗼𝗿𝘆 𝘁𝗼𝗼. It makes a difference in case when the application does something heavy - like parsing PDF files. We could 𝗱𝗲𝗳𝗶𝗻𝗲 𝘁𝗵𝗲 𝗵𝗲𝗮𝗽 𝘀𝗶𝘇𝗲 𝘁𝗵𝗮𝘁 𝘁𝗵𝗲 𝗪𝗼𝗿𝗸𝗲𝗿 𝘄𝗼𝘂𝗹𝗱 𝘂𝘀𝗲 import { Worker } from "worker_threads"; new Worker(new URL("./heavy-job-worker.js", import.meta.url), {  resourceLimits: {   maxOldGenerationSizeMb: 4096,  }, }); When working with large PDF files and 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗶𝗻𝗴 𝗵𝗲𝗮𝘃𝘆 𝗼𝗽𝗲𝗿𝗮𝘁𝗶𝗼𝗻𝘀 𝗹𝗶𝗸𝗲 𝗱𝗮𝘁𝗮 𝗽𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴, this could be useful. #NodeJS #JavaScript #BackendDevelopment #SoftwareEngineering #WebDevelopment #V8 #Performance #Scalability #Multithreading #WorkerThreads #SystemDesign #Programming #Coding

6+ years with PHPUnit taught me one major lesson. Real-world bugs usually don't hide in the "complex" parts of a system. They hide in the "boring" ones: a simple validation rule, a tiny branching condition, or a basic formatter. After years of testing PHP applications, here are my 3 golden rules: ✅ Test Behavior, Not Code: Don't just check if a method was called. Check if the business logic actually holds up. ✅ Isolation is King: If your test touches the database, it’s not a Unit Test anymore. Keep them fast, pure, and independent. ✅ Tests are Documentation: A test named it_throws_exception_when_user_not_found is worth more than a dozen comments. Unit testing isn't just about catching bugs; it’s about documenting your system’s expectations in an executable form. #PHP #PHPUnit #TDD