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void imageScaleAndRotate(const cv::Mat &src, cv::Mat &out, double scale, double roll) {
    // scaling
		cv::Mat imSmall;
		cv::resize(src, imSmall, cv::Size(), scale, scale);
    
    // prepare for rotating
		int width = imSmall.cols, height = imSmall.rows;
		int diagonal = int(sqrt(height * height + width * width));

		int offsetX = (diagonal - width) / 2, offsetY = (diagonal - height) / 2;

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"
" A (not so) minimal vimrc.
" https://github.com/mhinz/vim-galore/blob/master/static/minimal-vimrc.vim
"

" You want Vim, not vi. When Vim finds a vimrc, 'nocompatible' is set anyway.
" We set it explicitely to make our position clear!
set nocompatible

filetype plugin indent on  " Load plugins according to detected filetype.

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Table Of Content

Skip to the relevant sections if needed.

• 2-min tutorial to do it the quick-and-dirty-way
• Concepts for resolving Git conflicts
• Setting up different editors / tool for using git mergetool
  • Finding out what mergetool editors are supported
• mergetool simple code example for vimdiff
  • Resolving conflict from a Git pull
• Other great references and tutorials

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#!/usr/bin/env python
import sys
import subprocess
from pathlib import Path


result = subprocess.run(sys.argv[1:], capture_output=True)
result.stderr = result.stderr.lower()

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#include <cstddef>
#include <cstdlib>

template <typename R, auto getter, auto setter, size_t (*offset)()>
struct property {
    inline R *self() {
        return reinterpret_cast<R *>(reinterpret_cast<size_t>(this) - offset());
    }
    inline operator auto() { return (self()->*getter)(); }
    inline void operator=(auto t) { (self()->*setter)(t); }

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[custom]
;https://github.com/ACL4SSR/ACL4SSR/blob/master/Clash/config/ACL4SSR_Online_Full_Google.ini
;不要随意改变关键字，否则会导致出错
;acl4SSR规则

;去广告：支持
;自动测速：支持
;微软分流：支持
;苹果分流：支持
;增强中国IP段：支持

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all:
	cc -shared -fPIC lib_one.c lib_one.h -o libone.so
	cc -shared -fPIC lib_two.c lib_two.h -o libtwo.so -L. -lone -Wl,-rpath=libs
	mkdir -p libs
	mv libone.so libs
	# -L. 是针对编译时的，使得链接器（ld）可以在 gcc 编译时找到 libtwo.so 让 name loopup 成功
	# -rpath=. 是针对运行时的，使得在执行 main 时让动态链接器（ld.so）可以找到 main 依赖的 so
	# Wl 表示后面的是一个链接器选项（针对 ld，而不是 gcc 的选项）
	cc main.c -o main -L. -ltwo -Wl,-rpath=.

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void PrintA(void);
void PrintB(void);

int main(int argc, char *argv[])
{
  PrintA();
  PrintB();
  return 0;
}

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# origin link: https://gist.github.com/roachsinai/faf8ac80860065a7e78adc0b25abb445

# compilation process: https://en.wikibooks.org/wiki/C%2B%2B_Programming/Programming_Languages/C%2B%2B/Code/Compiler/Linker
# Shared library concept: http://ehuss.com/shared/

# 1. Creating the shared library
# Command reference: https://www.oreilly.com/library/view/c-cookbook/0596007612/ch01s05.html
g++ -dynamiclib -fPIC shared.cpp -o shared.so # MacOS
g++ -fPIC -shared shared.cpp -o shared.so # Linux

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#!/bin/bash

# This script is used to complete the output of the docker stats command.
# The docker stats command does not compute the total amount of resources (RAM or CPU)

# Get the total amount of RAM, assumes there are at least 1024*1024 KiB, therefore > 1 GiB
#HOST_MEM_TOTAL=$(grep MemTotal /proc/meminfo | awk '{print $2/1024/1024}')
DOCKER_MEM_TOTAL=$(docker info | grep Memory | awk '{print $3}' | grep -o '[0-9]*\.[0-9]*')

# Get the output of the docker stat command. Will be displayed at the end