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ccf19881030 / 1_install_opencv_win.md
Created January 29, 2024 14:02 — forked from demid5111/1_install_opencv_win.md
Instructions for installing opencv on Windows 10

Install OpenCV 4.5 on Windows 10

Pre-configured OpenCV for Python from PyPi

  1. open the terminal (Ctrl+R + cmd)
  2. check Python3 installation: py --version
  3. go to official website to learn details: https://pypi.org/project/opencv-python/
  4. choose the most complete package and run: py -m pip install opencv-contrib-python
  5. check installation by entering the Python REPL: py
  6. import tha library: import cv2
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ccf19881030 / 1_install_opencv_win.md
Created January 29, 2024 14:02 — forked from demid5111/1_install_opencv_win.md
Instructions for installing opencv on Windows 10

Install OpenCV 4.5 on Windows 10

Pre-configured OpenCV for Python from PyPi

  1. open the terminal (Ctrl+R + cmd)
  2. check Python3 installation: py --version
  3. go to official website to learn details: https://pypi.org/project/opencv-python/
  4. choose the most complete package and run: py -m pip install opencv-contrib-python
  5. check installation by entering the Python REPL: py
  6. import tha library: import cv2
@ccf19881030
ccf19881030 / epoll_demo
Created September 12, 2023 03:49 — forked from monklof/epoll_demo
example usage of epoll in linux
//   
// a simple echo server using epoll in linux  
//   
// 2009-11-05  
// 2013-03-22:修改了几个问题，1是/n格式问题，2是去掉了原代码不小心加上的ET模式;
// 本来只是简单的示意程序，决定还是加上 recv/send时的buffer偏移
// by sparkling  
//   
#include <sys/socket.h>  
#include <sys/epoll.h>  
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ccf19881030 / effective_modern_cmake.md
Created July 26, 2023 03:47 — forked from mbinna/effective_modern_cmake.md
Effective Modern CMake

Effective Modern CMake

Getting Started

For a brief user-level introduction to CMake, watch C++ Weekly, Episode 78, Intro to CMake by Jason Turner. LLVM’s CMake Primer provides a good high-level introduction to the CMake syntax. Go read it now.

After that, watch Mathieu Ropert’s CppCon 2017 talk Using Modern CMake Patterns to Enforce a Good Modular Design (slides). It provides a thorough explanation of what modern CMake is and why it is so much better than “old school” CMake. The modular design ideas in this talk are based on the book [Large-Scale C++ Software Design](https://www.amazon.de/Large-Scale-Soft

@ccf19881030
ccf19881030 / mongodb_cheat_sheet.md
Created September 5, 2021 04:46 — forked from bradtraversy/mongodb_cheat_sheet.md
MongoDB Cheat Sheet

MongoDB Cheat Sheet

Show All Databases

show dbs

Show Current Database