--- title: "#cpp-ck4ra5k7300nlv2s1jbkdp2qh articles | Hashnode" description: "Explore 272 articles tagged #cpp-ck4ra5k7300nlv2s1jbkdp2qh on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/cpp-ck4ra5k7300nlv2s1jbkdp2qh" --- Tag # #cpp-ck4ra5k7300nlv2s1jbkdp2qh 272 posts · 127 followers [Mayank Mahajan](https://hashnode.com/@Mayank9056) · [Oct 9](https://hashnode.com/posts/maximum-width-of-a-binary-tree-counting-the-nodes-that-aren-t-there/6ac9254cb8f25ffd2bd94a31) ### [Maximum Width of a Binary Tree: Counting the Nodes That Aren't There](https://mayankdev.hashnode.dev/maximum-width-of-a-binary-tree-counting-the-nodes-that-aren-t-there?utm_source=hashnode&utm_medium=feed) A BFS story about empty positions, heap-style indexes, and why re-basing keeps your numbers small. 5 min read · [mayankdev.hashnode.dev](https://mayankdev.hashnode.dev/maximum-width-of-a-binary-tree-counting-the-nodes-that-aren-t-there?utm_source=hashnode&utm_medium=feed) [Mayank Mahajan](https://hashnode.com/@Mayank9056) · [Oct 9](https://hashnode.com/posts/lowest-common-ancestor-of-a-binary-tree-leetcode-236-explained-simply-in-c/6ac8ff373d1abe2aedd8e660) ### [Lowest Common Ancestor of a Binary Tree (LeetCode 236) Explained Simply in C++](https://mayankdev.hashnode.dev/lowest-common-ancestor-of-a-binary-tree-leetcode-236-explained-simply-in-c?utm_source=hashnode&utm_medium=feed) From the family-tree idea to a 10-line recursive solution, step by step 10 min read · [mayankdev.hashnode.dev](https://mayankdev.hashnode.dev/lowest-common-ancestor-of-a-binary-tree-leetcode-236-explained-simply-in-c?utm_source=hashnode&utm_medium=feed) [Conexa Remote](https://hashnode.com/@conexaremote) · [Sep 26](https://hashnode.com/posts/building-a-zero-middleman-peer-to-peer-remote-desktop-using-webrtc-and-native-os-apis/6ab78e2a02fbed3d2e6f8fd1) ### [Building a Zero-Middleman Peer-to-Peer Remote Desktop using WebRTC and Native OS APIs](https://conexaremote.hashnode.dev/building-a-zero-middleman-peer-to-peer-remote-desktop-using-webrtc-and-native-os-apis?utm_source=hashnode&utm_medium=feed) Technical deep-dive on Conexa Remote: WebRTC P2P direct streaming, DXGI/ScreenCaptureKit capture, dual SCTP channels, and concurrent licensing. 12 min read · [conexaremote.hashnode.dev](https://conexaremote.hashnode.dev/building-a-zero-middleman-peer-to-peer-remote-desktop-using-webrtc-and-native-os-apis?utm_source=hashnode&utm_medium=feed) [Virtastic](https://hashnode.com/@virtastic) · [Sep 21](https://hashnode.com/posts/porting-freecad-to-wasm64-what-broke-after-the-compile-succeeded/6ab1611ea422c084f3ba8534) ### [Porting FreeCAD to wasm64: what broke after the compile succeeded](https://virtastic.hashnode.dev/porting-freecad-to-wasm64-what-broke-after-the-compile-succeeded?utm_source=hashnode&utm_medium=feed) freecad-web 1.0 is FreeCAD 1.1.3 compiled to wasm64-emscripten and running in your browser: Qt 6.11, OCCT 7.8.1, Coin3D 4.0.3, VTK 9.3.1, CPython 3.13.3, PySide6, numpy, matplotlib, IfcOpenShell, with 10 min read · [virtastic.hashnode.dev](https://virtastic.hashnode.dev/porting-freecad-to-wasm64-what-broke-after-the-compile-succeeded?utm_source=hashnode&utm_medium=feed) [Zenub Naqvi](https://hashnode.com/@zenub07) · [Sep 13](https://hashnode.com/posts/the-line-of-code-that-broke-java-s-standard-library-for-nine-years/6aa68fc18abd5980ba5fd473) ### [The Line of Code That Broke Java's Standard Library for Nine Years](https://zenubnaqvi.hashnode.dev/the-line-of-code-that-broke-java-s-standard-library-for-nine-years?utm_source=hashnode&utm_medium=feed) A beginner's breakdown of binary search, plus the real overflow bug that hid in Java's standard library for nine years. 7 min read · [zenubnaqvi.hashnode.dev](https://zenubnaqvi.hashnode.dev/the-line-of-code-that-broke-java-s-standard-library-for-nine-years?utm_source=hashnode&utm_medium=feed) [Sahastranshu Sharma](https://hashnode.com/@sahastranshu) · [Sep 8](https://hashnode.com/posts/engineering-case-study-simulating-30-qubits-with-statevector-mps-tensor-networks/6a9feb7dfdcb8f67a11dbc38) ### [Engineering Case Study: Simulating 30+ Qubits with StateVector & MPS Tensor Networks](https://itachi-quantum.hashnode.dev/engineering-case-study-simulating-30-qubits-with-statevector-mps-tensor-networks?utm_source=hashnode&utm_medium=feed) An engineering case study on building a C++20 quantum simulator using StateVector and MPS tensor networks to explore 30+ qubit quantum circuits. 5 min read · [itachi-quantum.hashnode.dev](https://itachi-quantum.hashnode.dev/engineering-case-study-simulating-30-qubits-with-statevector-mps-tensor-networks?utm_source=hashnode&utm_medium=feed) [Dibyashree Chakravarty](https://hashnode.com/@DibyaC) · [Apr 19](https://hashnode.com/posts/languages-kotlin-java-c-jni/69e48555ee84f66e942929fa) ### [Languages: Kotlin, Java , C+++(JNI)](https://gateandroidandexploration.hashnode.dev/languages-kotlin-java-c-jni?utm_source=hashnode&utm_medium=feed) Learn how JNI works in Android by connecting Kotlin with C++. Covers concepts, execution flow, and examples. 7 min read · [gateandroidandexploration.hashnode.dev](https://gateandroidandexploration.hashnode.dev/languages-kotlin-java-c-jni?utm_source=hashnode&utm_medium=feed) [Shubham Kumar Singh](https://hashnode.com/@shubhamsinghbundela) · [Apr 1](https://hashnode.com/posts/prefix-sum-array-technique/69ccf392b504c4ed0a6f96c3) ### [Prefix Sum Array Technique](https://shubhamsinghbundela.hashnode.dev/prefix-sum-array-technique?utm_source=hashnode&utm_medium=feed) A complete beginner’s guide to Prefix Sum Array. Learn step-by-step with easy examples and code to solve array and subarray problems efficiently. 5 min read · [shubhamsinghbundela.hashnode.dev](https://shubhamsinghbundela.hashnode.dev/prefix-sum-array-technique?utm_source=hashnode&utm_medium=feed) [Ayush Pandey](https://hashnode.com/@aryannovice) · [Mar 25](https://hashnode.com/posts/1-bit-evolution-building-a-decentralized-memory-layer-from-the-metal-up/69c42e4710e664c5dad9e4a0) ### [1-Bit Evolution: Building a Decentralized Memory Layer from the Metal Up](https://aryannovice.hashnode.dev/1-bit-evolution-building-a-decentralized-memory-layer-from-the-metal-up?utm_source=hashnode&utm_medium=feed) Because why use a framework when you can suffer in C++ for the sake of 0.01ms? 5 min read · [aryannovice.hashnode.dev](https://aryannovice.hashnode.dev/1-bit-evolution-building-a-decentralized-memory-layer-from-the-metal-up?utm_source=hashnode&utm_medium=feed) [Whetlan](https://hashnode.com/@Whetlan) · [Mar 16](https://hashnode.com/posts/the-trident-and-the-green-ox/69b78fbff4eb2f8b0449d5a4) ### [The Trident and The Green Ox](https://alanlan.hashnode.dev/the-trident-and-the-green-ox?utm_source=hashnode&utm_medium=feed) From C to AI — a coder's three transformations 9 min read · [alanlan.hashnode.dev](https://alanlan.hashnode.dev/the-trident-and-the-green-ox?utm_source=hashnode&utm_medium=feed)