Rico贾若童的博客

Docker Ignore

A .dockerignore file lives next to your Dockerfile and controls which files are excluded from the Docker build context. Why use .dockerignore? ✅ Faster builds: smaller context → quic...

Posted by Rico's Nerd Cluster on June 7, 2024

Docker Workflow And Networking

VSCode Devcontainer

Pulling Containers & Networking When you run a container for the first time, Docker pulls the image and sets up networking based on defaults or your configuration. Bridge Networks (docker0) ...

Posted by Rico's Nerd Cluster on June 5, 2024

Autonomous Vehicle Introduction

General Project Flow What the robot sees - Perception localization + mapping Navigation - Motion Planning Planning + control Autonomy Levels from SAE (Society of Automotive Engineers) ...

Posted by Rico's Nerd Cluster on June 4, 2024

Computation Tools - Eigen Expression Templates and SIMD

Fused Computation

Eigen Expression Template. Optimization Impact: ⭐️⭐⭐️️⚪⚪ Expression templates are one of those “powerful but mysterious” C++ features that libraries like Eigen, Blaze, and even TensorFlow (C++) us...

Posted by Rico's Nerd Cluster on May 11, 2024

Computation Tools - OpenCV, PCL, PCD, NanoFLANN

A Running List of Computer Vision Tools

OpenCV Image Processing cv::Mat Create a cv::Mat In C++: 1 2 3 4 5 6 7 8 // method 1 cv::Mat(another_mat); // method 2 cv::Mat A = (cv::Mat_<uchar>(1,2)<<1,2); //CV_8U // method ...

Posted by Rico's Nerd Cluster on May 9, 2024

Things About Leetcode Before That Coding Interview

Leetcode IDE Tips, Common Leetcode Problems, C++ Commands, String

Introduction At the bare minimum, it’s good to have a solid understanding of 2 Pointers, sliding window, BFS/DFS, Trees, Graphs, Stacks, Queus, Hash Maps. Leetcode IDE Tips No Global Variables ...

Posted by Rico's Nerd Cluster on May 1, 2024

Foundamental Structure of Programs

Callstack

Callstack A callstack is a stack of frames, where a frame represents an active call. Each frame has: return address (where the function returns after it completes), local variables. E.g., if func...

Posted by Rico's Nerd Cluster on May 1, 2024

C++ - Specifiers

Declaration-Only Specifiers

Declaration Only Specifiers These specifiers will only appear in an .hpp file, not in .cpp files. Keyword What it does virtual Marks a member as p...

Posted by Rico's Nerd Cluster on April 18, 2024

C++ - Specifiers

Ament CPP

What Ament Cpp Actually Does ament_cppcheck is a ROS 2 wrapper around Cppcheck for static analysis of C/C++ source files, and ROS documents it as a lint/static-analysis tool, not as something that...

Posted by Rico's Nerd Cluster on April 18, 2024

C++ - Rounding

llround llround follows round half away from zero (not bankers rounding)., and returns long long 1 2 3 4 5 6 7 std::llround(2.3) → 2 std::llround(2.5) → 3 std::llround(2.7) → 3 std::llr...

Posted by Rico's Nerd Cluster on April 18, 2024

Rico's Nerd Cluster

Docker Ignore

Docker Workflow And Networking

VSCode Devcontainer

Autonomous Vehicle Introduction

Computation Tools - Eigen Expression Templates and SIMD

Fused Computation

Computation Tools - OpenCV, PCL, PCD, NanoFLANN

A Running List of Computer Vision Tools

Things About Leetcode Before That Coding Interview

Leetcode IDE Tips, Common Leetcode Problems, C++ Commands, String

Foundamental Structure of Programs

Callstack

C++ - Specifiers

Declaration-Only Specifiers

C++ - Specifiers

Ament CPP

C++ - Rounding

FEATURED TAGS

ABOUT ME

FRIENDS