Hhimanshuinblogs-himanshu.hashnode.devDay 19 - Find Minimum in Rotated Sorted ArrayQuestion You are given an array of length n which was originally sorted in ascending order. It has now been rotated between 1 and n times. For example, the array nums = [1,2,3,4,5,6] might become: [31d ago·3 min read
Hhimanshuinblogs-himanshu.hashnode.devDay 18 - Koko Eating BananasQuestion You are given an integer array piles where piles[i] is the number of bananas in the ith pile. You are also given an integer h, which represents the number of hours you have to eat all the ban2d ago·3 min read
SPSamarjeet Patilinsamargeet.hashnode.devAutomating EC2 Setup Using AWS Systems Manager (SSM Run Command)Overview Manually logging into EC2 instances to install agents and services is not scalable, secure, or production-ready. AWS provides a powerful alternative through AWS Systems Manager, which allows 5d ago·4 min read
Hhimanshuinblogs-himanshu.hashnode.devDay 15 - Evaluate Reverse Polish NotationQuestion You are given an array of strings tokens that represents a valid arithmetic expression in Reverse Polish Notation. Return the integer that represents the evaluation of the expression. The operands may be integers or the results of other ope...5d ago·2 min read
MYMuhammad Yasirinyasir-ai-learning-recap.hashnode.devAI Learning Recap — Exploring Real-World ApplicationsRecently, I’ve been diving deeper into practical AI skills and exploring how different AI solutions can be built and applied to solve real problems. This journey is not just about learning tools, but about understanding workflows use cases and how to...Feb 16·2 min read
AGAbdul Ghafooringhafoor4321.hashnode.devToday I learned some seriously practical Linux admin skillsToday I learned some seriously practical Linux admin skills while working through Dccs102, and it felt great to see everything click. Today, I completed the Source Code Installation module and walked through the full process of building and installin...Feb 15·1 min read
TGTiffany Gathoniintiff-explores.hashnode.devHow I Optimized M-Pesa Integrations Using Netlify Functions (And Survived to Tell the Tale)TL;DR: I went from "Why won't this webhook work?!" to a production-ready serverless M-Pesa integration. Here's everything I learned, including the face-palm moments. The Problem: When Your Server is Expensive and Your Budget Isn't So there I was, b...Feb 14·6 min read
SSSatya Suvarnamincodeops-devoloper.hashnode.devDay 20: What Docker Taught Me About DevOps (And Career Lessons for Beginners)This is the final day of my 20-Day Docker Challenge. Everything here comes from real projects, real failures, and real learning. When I started using Docker, I thought it was just a tool to run applications. After years of using, it in production, I ...Feb 14·3 min read
ARAbdul Raheeminabdulraheem.hashnode.devBuilding a Serverless Event-Driven Order Service on AWS: A Hands-On GuideHey everyone, Abdul Raheem here! I'm a cloud enthusiast diving deep into AWS, and if you've been following my journey on X or Hashnode, you know I've been "learning in public" by turning ideas into real-world projects. My last serverless post got som...Feb 13·6 min read
ARAditya Raj Singhinblog.adityarajsingh.inDay 8 of #30DaysOfTerraform — Terraform Meta-Arguments: Writing Dynamic Infrastructure#30daysofawsterraform Day 8 was one of those days where you suddenly see Terraform not just as a way to describe infrastructure, but as a tool that can generate it — based on patterns and inputs instead of copy-paste blocks. Up until now, each AWS re...Feb 13·4 min read
