dafi.dev @dafi_dev

I’ll be sharing practical coding tips, clean code insights, and battle-tested habits I use daily. If you're into writing better code — follow along. 🚀 Jakarta Selatan, DKI Jakarta Joined December 2014

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dafi.dev @dafi_dev

a year ago

Abstract Factory Create families of related objects without specifying concrete classes. Like UI kits: buttons, inputs, menus. Switch themes easily. 📷 Dark theme? Light theme? Just swap factories.

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dafi.dev @dafi_dev

a year ago

Factory Method Don’t new things all over. Use a Factory Method to centralize object creation. Clean code. Flexible. Extensible. 📷 Perfect when the exact type of object isn’t known until runtime.

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dafi.dev @dafi_dev

a year ago

Singleton Pattern The Singleton ensures a class has only one instance — and gives global access to it. 🧠 Common use cases: ✅ Logger ✅ Configuration ✅ Database connection Check how it looks in Java 👇

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dafi.dev @dafi_dev

a year ago

3 Categories of Design Patterns Creational → how objects are created 👷 Factory, Singleton, Builder, .. Structural → how objects are composed 🏗️ Adapter, Decorator, .. Behavioral → how objects interact 🧠 Strategy, Observer, .. Each solves different kinds of problems.

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dafi.dev @dafi_dev

a year ago

What are Design Patterns? They’re proven solutions to common software design problems. Three types: Creational Structural Behavioral Stay tune, I'll explore them in 30 days 🧵👇

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dafi.dev @dafi_dev

a year ago

Avoid unnecessary nesting by returning early. ❌ if (user != null) { if (user.isActive()) { process(user); } } ✅ if (user == null) return; if (!user.isActive()) return; process(user); Early return = flatter structure = clearer code.

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dafi.dev @dafi_dev

a year ago

Your function can lead the orchestra — It just shouldn’t play every instrument. ✅ Break complex steps into helpers ✅ Let your main function coordinate the flow handleUser() should say what’s happening, not how it’s done.

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dafi.dev @dafi_dev

a year ago

🧼 Clean code tip: Avoid 100+ line functions. Split your logic into small units: – Each function should do ONE thing – Name them like you mean it – Don’t be afraid to refactor later Small functions = easier tests, better reuse.

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dafi.dev @dafi_dev

a year ago

@csaba_kissi Absolutely. Going full-stack gave me freedom — to prototype ideas, ship products, and understand the full picture. It’s not just about job security, it’s about creative autonomy.

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dafi.dev @dafi_dev

a year ago

@alexxubyte Love how this stack visualizes the modern AI ecosystem — especially the growing role of open source in RAG pipelines. LLMs are just one piece of the puzzle — orchestration & retrieval matter just as much.

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dafi.dev @dafi_dev

a year ago

@YoCodingTeacher Figma’s the only design tool that doesn’t make me panic as a dev 😅 Inspect + copy CSS = happiness

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dafi.dev @dafi_dev

a year ago

💡 Code Naming Tips: Don't use names like data1, temp, or input2. Your code is not a cryptic puzzle. Instead, name with intent: ☑️ customerData ☑️ rawInput ☑️ tempFileBeforeUpload Clear names are the first form of documentation