LeetCode Progress: 200+ Problems Solved, Reflection Key to Understanding

The era of "Line-by-Line" coding is officially over. 🚀 Writing code is great, but shipping features is better. The new Claude Code CLI has shifted the game from manual syntax typing to high-level delegation. It’s no longer just an assistant; it’s an agent that: ✅ Navigates your entire codebase ✅ Executes terminal commands ✅ Fixes bugs and runs tests autonomously If you’re still copy-pasting from a browser into your IDE, you’re working too hard. Read our full breakdown and beginner’s guide here: 👉 https://lnkd.in/exfN_N_g #ClaudeAI #SoftwareEngineering #AICoding #Productivity #TechTrends

Day 94 of #365DaysOfLeetCode Challenge Today’s focus: **Mastering Greedy + Stack Patterns** After solving problems like *Remove K Digits*, one thing is becoming clear — a lot of “hard-looking” problems become easier when you recognize the **pattern behind them**. 💡 **Today’s Learning:** Instead of jumping into code, I spent time identifying: * When to use **Greedy** * When a **Stack** can simplify decisions * How to think in terms of **local vs global optimum** 📌 **Key Insight:** Many problems follow this idea: 👉 *“If the current choice is better than the previous one, fix it immediately.”* This applies to: * Removing digits (monotonic stack) * Stock span problems * Next greater/smaller elements * Histogram problems ⚡ **Mindset Upgrade:** Earlier → “Try all possibilities” Now → “What is the best decision I can make right now?” **What I learned today:** Data Structures are not just tools — they are **decision-making frameworks**. Day 94 done The journey is slowly shifting from *solving problems* → to *thinking like an engineer*. #LeetCode #DSA #CodingChallenge #Greedy #Stack #ProblemSolving #TechJourney #Consistency

Claude Code has become a core part of my workflow. At this point, I can’t imagine implementing or debugging features without it. Even when I open an IDE like Cursor or Antigravity, I still end up using the Claude Code extension inside it. That said, recent rate limit changes are starting to hurt. I run multiple background tasks across projects, and long debugging sessions with detailed logs can burn through limits surprisingly fast. I’ve hit the cap in ~2–3 hours of heavy debugging, even on the Max plan. That forces you to think twice before running deeper iterations, which is not a great place to be as a developer. To work around this, I’ve started using Opencode for longer debugging sessions. It requires more manual control, but it’s been reliable enough for extended runs. Curious how others are dealing with this. Are you optimizing prompts, switching tools, or just absorbing the limits? #AgenticDevelopment #LLM #ClaudeCode #RateLimits #DevWorkflow #GenAI

🚀 Day 105 of LeetCode Problem Solving Journey - The Grind Continues! 🎉 Keeping the momentum going! Yesterday was about finding if a cycle exists, but today I tackled its advanced version: " Linked List Cycle II" in C++. The Problem: Given the head of a linked list, the task is not just to detect a cycle, but to return the exact node where the cycle begins. If there is no cycle, return null. Constant memory constraint makes it even more interesting! My Approach: I solved this efficiently by extending the famous Two-Pointer technique, specifically using the complete Floyd’s Cycle-Finding Algorithm (Tortoise and Hare approach). 🐢🐇 The Logic: Phase 1 (Detect Cycle): I initialized two pointers, slow and fast. Inside a while loop, slow moves one step, while fast moves two steps. If slow == fast at any point, a cycle is confirmed. Phase 2 (Find the Start): Once they meet, the math magic happens! I reset the slow pointer back to the head of the linked list. The Collision: Keeping the fast pointer at the initial meeting point, I moved BOTH pointers one step at a time (slow = slow->next and fast = fast->next). The exact node where they collide again is the origin of the cycle! We just return that node. No Cycle: If the loop breaks (fast == NULL || fast->next == NULL), it means there's no cycle, and we safely return NULL. The journey is all about consistency and diving deeper into the fundamentals. Every problem solved is a step forward. Let's keep building! 💻🔥 #Day105 #CPP #LinkedList #TwoPointers #FloydsAlgorithm #DataStructures #Algorithms #DSA #ProblemSolving #CodingJourney #LeetCode #Mentorship #REGexSoftwareServices #ContinuousLearning REGex Software Services LeetCode

Most developers are incredibly stubborn about one specific thing. And it's not making any sense 😅 Let me tell you a fun observation that never made sense to me. If you live in JetBrains world or IntelliJ, you probably refuse to touch VSCode-like tools. And vice versa! If you've worked in a software team, I'm sure you've seen this (and maybe you are one of those people ahah). I always found this rivalry funny. But why does it matter today? 🤔 Because AI tooling and agent orchestration are evolving very differently across these ecosystems. Here is how the landscape is shifting: 1. The VSCode wave: Forks like Cursor and Windsurf pulled all the AI magic to that side for a while. 2. The CLI wave: Terminal tools got so advanced that the winner wasn't even an editor. 3. The JetBrains comeback: Native offerings like Junie and new plugins are finally balancing things out. As we move to higher levels of abstraction in making software, it's time to drop the mental barriers we've set for ourselves. My advice? Go explore that totally unfamiliar tool you swore you'd never touch or never had a reason to. You might be surprised by what the AI wave has brought to the other side of the wall! 🚀 Which side of the IDE war are you on right now? 👇

Three weeks into vibe coding, everyone hits the same wall. Outputs drift. Code breaks in ways you can't explain. Your bill is climbing. You're debugging something you didn't really write, for a product you're not sure still works. But you love your idea, so you keep chugging along. Meanwhile: Anthropic just killed subscription access for third-party agents. Google capped prompts. Cursor and Replit reset their tiers. The "flat fee, build forever" era is cooked 💀 Sorry Ha Nguyen! I know you were just getting excited about your new OpenClaw setup 💰 😭 I say good though! It was masking the real problem and creating a lot of slop anyway. Most non-technical builders are shipping on a workflow with no memory, no guardrails, and no system underneath it. They're sailing in the darkness with their fingers crossed hoping to hit land. Now's the time for technical discipline. That's the entire point of Ember AI's Builder OS that Dan Sears and I have been researching and designing for months. It's how real engineers work with Claude Code, rebuilt for the rest of us. Active memory. Guardrails. Rituals. And actual engineers on-call when you get stuck... not a Discord or Slack channel full of people as lost as you are. 325+ alumni. NPS above 80. Spend 8-9a M/W/F for four weeks with us and you'll come out the other side annoyingly energized and slightly dangerous 😈... with a shipped product, a system you can run again, and skills the market is actively hiring for. You'll leave with your head spinning at the opportunities, wondering why you didn't do this sooner. Not ready to commit? Come to tomorrow's free info session. Watch a PRD come to life in real time. Stay for the Q&A. See if it's for you. Our next cohort starts May 11 · Early bird $1,499 · Sign up and info session links in the comments.

You cannot write fast, safe code without mastering the right tools. It's that simple. ❌ Developers don't just choose Rust for speed. They choose it for how confident it makes them feel. They choose it for how it forces them to think. They choose it for the guarantees it gives at compile time. You can build almost anything — web servers, embedded systems, game engines, CLIs — at a level most developers can't touch. If your fundamentals in ownership, borrowing, and lifetimes justify it. Because perception drives performance. If your code panics at runtime, leaks memory, or races data — you'll always compete with "it works on my machine." 💸 But the moment you shift to systems-level thinking, everything changes. Higher reliability. Fewer bugs in production. Less debugging at 2 AM. 📌 You need this mindset shift: Start writing Rust like the engineer you want to be in 5 years. How would your architecture look? How would you handle errors — with panic! or with Result? How would you design APIs that are impossible to misuse? Most people wait until they "get comfortable" first. In reality, you write real Rust first and grow into it. Because Rust mastery isn't just syntax. It's ownership, consistency, and zero-compromise standards. 🧠 And that starts long before the compiler stops yelling at you. ⚡ What are you not building in Rust? ♻️ Repost if you believe in writing software that lasts.

🚀 𝐌𝐲 𝐋𝐞𝐞𝐭𝐂𝐨𝐝𝐞 𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐨𝐧𝐭𝐞𝐬𝐭 𝟒𝟗𝟓 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 Solved 2 out of 4 problems! Here's my approach breakdown: 🎯 𝗣𝗿𝗼𝗯𝗹𝗲𝗺 𝟭: 𝗙𝗶𝗿𝘀𝘁 𝗠𝗮𝘁𝗰𝗵𝗶𝗻𝗴 𝗖𝗵𝗮𝗿𝗮𝗰𝘁𝗲𝗿 𝗙𝗿𝗼𝗺 𝗕𝗼𝘁𝗵 𝗘𝗻𝗱𝘀 𝗣𝗿𝗼𝗯𝗹𝗲𝗺: Find smallest index i where s[i] == s[n-i-1], return -1 if none. 𝗠𝘆 𝗔𝗽𝗽𝗿𝗼𝗮𝗰𝗵: - Simple linear scan from left (i=0 to n/2) - For each i, check if s[i] matches s[n-i-1] - Return first matching index found - O(n) straightforward solution  📋𝗣𝗿𝗼𝗯𝗹𝗲𝗺 𝟮: 𝗗𝗲𝘀𝗶𝗴𝗻 𝗘𝘃𝗲𝗻𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗿 𝗣𝗿𝗼𝗯𝗹𝗲𝗺: Priority queue-based event manager with priority updates and highest-priority polling. 𝗠𝘆 𝗔𝗽𝗽𝗿𝗼𝗮𝗰𝗵: - Max-heap: {priority, -eventId} (negative ID for smallest ID tiebreaker) - HashMap: Track latest priority for each eventId - Lazy deletion in pollHighest():  1. Pop top from heap  2. If priority outdated (doesn't match hashmap), discard and continue  3. Otherwise, valid event - return it and erase from map - Handles updates efficiently! 🔄 𝗣𝗿𝗼𝗯𝗹𝗲𝗺 𝟯: 𝗦𝘂𝗺 𝗼𝗳 𝗦𝗼𝗿𝘁𝗮𝗯𝗹𝗲 𝗜𝗻𝘁𝗲𝗴𝗲𝗿𝘀 (𝗠𝗟𝗘 𝗜𝘀𝘀𝘂𝗲) 𝗣𝗿𝗼𝗯𝗹𝗲𝗺: Find all k where n%k==0 and nums can become sorted via k-length subarray rotations. 𝗠𝘆 𝗔𝗽𝗽𝗿𝗼𝗮𝗰𝗵: - Check each divisor k of n - For each k-length group, verify if original subarray is rotation of sorted version - Rotation check: concatenate sorted subarray with itself, check if original appears as substring #LeetCode #WeeklyContest495 #CompetitiveProgramming #Algorithms #PriorityQueue #DataStructures #ProblemSolving #LazyDeletion #CodingChallenge #DailyCoding #CP #Contest #CompetetiveProgramming #leetcode #DSA #LearnInPublic

🤖 3 Hard Truths After an Extensive Date with Claude Code I spent the weekend stress-testing Claude Code, and it was quite the ride. If you're thinking about letting it loose on your codebase, here are my top takeaways: 1. Skills vs. Rules: The Context Tax 💸 There isn't a massive functional difference between Skills and Rules, but how they handle memory matters. Skills load dynamically when Claude thinks they're needed, whereas Rules are checked with every single prompt. • The catch: Both contribute significantly to "context bloat." Use them sparingly or watch your token costs and performance degrade. 2. The "Beautiful Disaster" Factor 🏗️ There is nothing quite like the dopamine hit of watching 200,000 lines of code fly through your terminal... until you realize it’s hallucinated half the logic. • Pro Tip: Always, always have a fresh backup or a clean git branch. Automation is beautiful, but it can break things at a scale humans can't keep up with. 3. Your .env is NOT a Secret 🛡️ I’ve heard people claim Claude doesn’t have access to your .env files. That is a myth. • I ran a test where I never specified my database type or credentials. Claude connected anyway. The only reference was the API key in my .env. • Lesson: If it’s in your directory, assume Claude can (and will) read it. Claude Code is a powerhouse, but it’s a power tool that requires a steady hand and a lot of oversight. Have you integrated Claude Code into your workflow yet, or are you sticking to the web UI? #SoftwareEngineering #AI #ClaudeCode #Anthropic #CodingLife #WebDev

We spent the last year turning the Streamlit repo into a much better environment for coding agents. We wrote up the setup and lessons that made this work much better in practice: https://lnkd.in/dkYsEnQg