Lakhveer Singh Rajput Blog's: 🌟 Insights on Tech, Coding, and Personal Growth 🚀💡

🧠📱 The Hidden Science Behind Short Videos: How They Rewire Your Brain & How to Break Free! 🚀 Short videos have taken over the world — from Instagram Reels to YouTube Shorts to TikTok. They are entertaining, addictive, and everywhere. But behind this instant fun lies something deeper: scientific research showing how short videos reshape our brain, attention span, and emotional health. In this blog, we’ll decode:  ✔ The neuroscience behind short videos  ✔ Why they feel addictive  ✔ How they harm focus, memory, and motivation  ✔ The psychology principles like Bloom Scrolling  ✔ Practical strategies to regain control over your mind Let’s dive in 👇✨ 📌 1. Why Short Videos Hijack Your Brain: The Science Explained Short video platforms are designed using neuropsychology, dopamine triggers, and habit loops . Here’s what happens inside the brain: ⚡ 1. Dopamine Spike Cycle Short videos create rapid-fire dopamine hits .  Every swipe → new surprise → ...

🚀 Microservice Architecture — Build Scalable Apps Step-by-Step (with examples, pitfalls & checklist) Microservices turn a huge, monolithic app into a team-friendly, independently deployable system of small services. This blog explains the terminology , core concepts , a practical step-by-step guide (with a working example using containers), common mistakes to avoid , and a handy checklist so you can ship confidently. Let’s go! 💥 ✅ Why microservices? Scale parts of your system independently (scale the payment service, not the whole app). 📈 Teams can own services, choose appropriate tech stacks, and deploy independently. 👥 Fault isolation — a failure in one service is less likely to take everything down. 🛡️ But microservices add complexity — networking, deployment, observability and distributed data. Use them when benefits outweigh the operational cost. 🧰 Key Terminology (quick cheat sheet) Service  — an independently deployable app that performs one business capability (e.g....

Shrink It, Store It, Restore It — The Practical Guide to Data Compression 📦✨ Compression is the unsung hero of every storage system, CDN, backup, and media app. It makes huge datasets fit into small places, saves money, speeds up transfers, and can even make things more private (less data surface). This blog explains everything you need — concepts, terminology, algorithms, a step-by-step engineering pipeline for compressing & restoring data reliably, and checkpoints before you build your own compression pipeline. Let’s dive in! 🚀 TL;DR Two main kinds : lossless (exact recovery) and lossy (approximate recovery, smaller size). Common lossless algorithms: Run-Length, Huffman, LZ77/LZ78, LZW, DEFLATE, Brotli, Zstandard. Common lossy transforms: DCT (JPEG), quantization, MP3/AAC for audio, video codecs (H.264/AVC, H.265/HEVC). Build pipeline: profile → preprocess → transform → encode → package → test → backup . Always keep checks: data integrity (checksums), retention, metadata, v...

🌟 14 Hidden Ruby on Rails Methods You Should Use for Cleaner, Smarter Code! Writing clean and elegant code is not just a skill — it’s a signature of a great Rails developer. Ruby on Rails hides some real gems 🪙 behind its expressive syntax. Many developers miss these powerful methods that make your code shorter, more readable, and highly maintainable. In this blog, you’ll discover 14 hidden Rails & Ruby methods that can instantly level up your code quality — with clear examples.  Plus, you’ll get actionable clean code tips at the end. Let’s unlock them 🔓🚀 🔹 1. presence – Smart Nil or Blank Handling Instead of writing long conditional checks, use presence to return value only if it’s not blank. ❌ Old Way name = params[ :name ] name = nil if name.blank? ✅ Clean Way name = params[ :name ].presence ⭐ Why? Saves time, removes boilerplate, improves readability. 🔹 2. try – Safe Method Calling Avoid nil errors when calling methods on possibly nil objects. ...

🌟 Awareness: The Ultimate Way to Guide Concentration Master Focus, Beat Distraction & Win Long Learning Tasks 🎯🧠 In today’s fast-paced, notification-filled world, our biggest battle is not with time… but with our own wandering mind . We try to force concentration, but real focus doesn’t come from effort —  it comes from awareness . This blog unlocks how awareness works, why we lose focus, and how to bring your mind back to long learning tasks like coding, studying, reading, or deep work. 🚀 🧭 1. Understanding Awareness: Your Inner Guide to Focus Awareness is the ability to observe the mind  — not fight it.  Awareness says:  👉 “Yes, there is distraction.”  👉 “Yes, my mind is slipping.”  👉 “Now gently return to the task.” It’s not about suppression.  It’s about recognition → redirection → repetition. Awareness is the CEO.  Concentration is the employee.  Distraction is just noise. 🌀 2. Why We Get Distracted — The Core Principles 🧲 Princ...