Building OpenClaw and Understanding System Design

🚀 Day 21/60 — Learning Step by Step Today I solved Product of Array Except Self (LeetCode #238) Initially, I thought of using division by calculating the total product and dividing each element. But I realized this approach fails with zeros and is not allowed in the problem. 💡 The real learning came from understanding the optimal approach: • Using prefix (left) products • Using suffix (right) products • Combining both to get the result without division • Achieving O(n) time and O(1) extra space This problem strengthened my understanding of how powerful the prefix-suffix pattern is and how constraints guide us toward better solutions. ✨ Key Takeaways: • Avoid shortcuts — they often fail in edge cases • Constraints are hints, not restrictions • Think in terms of “what’s on the left & right” • Space optimization matters Still learning, still improving, one step at a time 🚀 Grateful for the guidance and inspiration from Shiv ram Sharma sir. #DSA #LeetCode #Arrays #PrefixSuffix #ProblemSolving #LearningInPublic #Consistency #100DaysOfCode

At CodingNovas, we see things differently. We don’t have “students”. And we don’t just “teach”. We build industry-ready developers — through a focused training + internship journey where learning meets real execution. From day one, our developers don’t just study concepts… they work on real problems, real systems, and real expectations. And the purpose behind this is clear: 👉 To create the best developers for our own software company 👉 To build a team that understands quality, scalability, and real-world impact The goal is simple: ❌ Not placements ❌ Not certificates ✅ But creating high-value assets who can eventually become part of our team We focus on: ✔ Real-world problem solving ✔ System-level thinking ✔ Industry-level exposure ✔ Performance-driven growth Because in the real world, companies don’t need coders… they need builders who can deliver. — Shiv Ram Sharma Founder & CEO, CodingNovas #CodingNovas #StartupMindset #Developers #Internship #SystemThinking #BuildInPublic

Solved #LeetCode Combination Sum and Combination Sum II 🚀 At first glance, both problems look similar — but the real game is in the approach and constraints. ✅ Combination Sum → Reuse elements multiple times ✅ Combination Sum II → Use each element once + handle duplicates carefully Same concept, different mindset. One teaches recursion & backtracking basics, the other sharpens constraint handling and optimization. 🔥 Consistency > speed. 💯 #DSA #Recursion #Backtracking #ProblemSolving #TechGrowth

I just published a comprehensive video breakdown for Educational Codeforces Round 189 (Div. 2), focusing entirely on visual intuition, core logic, and beginner-friendly C++ code. In the video, we step through Problems A to E: • A (A Number Between Two Others): The O(1) substitution trick. • B (Alternating String): Understanding the physical limits of string operations. • C (Red-Black Pairs): Simplifying DP states using the "look-back" approach. • D (Exceptional Segments): Demystifying Prefix XOR patterns. • E (Covering Points with Circles): The geometry behind Hexagonal Grid packing and early-exit pruning. Whether you are actively competing to improve your rating or practicing for technical interviews, understanding the "why" behind the algorithm makes a huge difference. 📺 Watch the full breakdown here: https://lnkd.in/geKzZAcx Which problem did you find the most challenging in this round? Let me know in the comments! #CompetitiveProgramming #Codeforces #DataStructures #Algorithms #Cplusplus #ProblemSolving

One thing I’ve started noticing over time: There’s a difference between code that works and code that is ready for production. Working code solves the immediate problem. But production-ready code considers things like: 👉 What happens if a dependency fails? 👉 How does this behave under load? 👉 Are edge cases handled properly? These aren’t always obvious at first. But they’re usually what matter when the code runs in real systems. Still learning, but trying to think a bit beyond just making things work. #softwareengineering #learning #systems

Gemma 4 26B Reasoning Block Suppressed in Opencode During Tool Execution 📌 Gemma 4’s powerful reasoning engine is silently suppressed in Opencode during tool execution - a critical flaw that breaks agentic workflows. While the model freely outputs CoT logic in llama.cpp, Opencode strips away the <|channel>thought> blocks when tools are defined, hiding vital decision trails. This inference gap forces developers to revert to native interfaces or manual prompt engineering to preserve structured thinking. 🔗 Read more: https://lnkd.in/dpmFCPm4 #Gemma4 #Opencode #Toolexecution #Chainofthought #Reasoningcontent

Most people understand cycle detection… but get stuck when asked to find where the cycle starts. 🚀 Day 19/100 — LeetCode Challenge Solved Linked List Cycle II 💡 Step 1: Detect cycle -Use slow & fast pointers -If they meet → cycle exists 💡 Step 2: Find starting node -Move fast back to head -Move both one step at a time -Where they meet again → start of cycle 👉 This part is pure intuition + math 🧠 Time Complexity: O(n) 💾 Space Complexity: O(1) 💡 What I learned: Detecting a cycle is easy. Finding its starting point is where real understanding begins. This is one of those problems where you either memorize… or truly understand. Have you ever understood why this works? #LeetCode #DSA #100DaysOfCode #Cpp #LinkedList #TwoPointers #CodingJourney

🚀 Day 27/100 – LeetCode Challenge ✅ Problem Solved: Remove Duplicates from Sorted Array Today’s problem was a classic example of using the two-pointer technique. The goal was to remove duplicates from a sorted array in-place while maintaining the order of elements. I used two pointers to track unique elements and overwrite duplicates efficiently without using extra space. 💡 Key Learning: Two-pointer technique is very effective for array problems In-place operations help reduce space complexity Understanding problem constraints leads to optimal solutions ⚡ Complexity: Time: O(n) Space: O(1) Consistency is building confidence step by step 🚀 #Day27 #100DaysOfCode #LeetCode #DSA #Cpp #CodingJourney #TwoPointers #ProblemSolving

Not every platform helps you grow. Some just teach you how to code. But growth? That needs more than syntax. ⚡ Coding + real direction ⚡ Industry-level insights ⚡ A system that actually builds you Stop figuring everything out randomly. Start building with clarity. Your next level isn’t far — just structured. #pynyx #buildwithpynyx #developergrowth #techjourney #futuretech pynyx.com

Do you think Rust is only meant for systems programming and embedded use cases? That’s a common misconception that @Jean‑Eudes Couignoux is set to challenge during the workshop on Wednesday, April 16 at MiXiT Lyon. In just two hours, you’ll have the opportunity to build a complete REST application using Rust: a well‑designed domain model, an integrated SQL database, a functional API, and OTLP logs. You’ll walk away with real, hands‑on output—production‑ready code, not unnecessary theory. The best tools are mastered through practical expertise. #RustLang #RustProgramming #BackendDevelopment #RESTAPI #WebDevelopment #SoftwareEngineering #DeveloperWorkshop #HandsOnCoding #TechConference #MiXiT #OpenTelemetry #OTLP #CloudNative #DevCommunity #Capco #CapcoCulture #CapcoTech #BuildingDigital #TechnologyExcellence #EngineeringExcellence #InnovationAtCapco #FindYourPlace #CapcoInsights