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freetype,harfbuzz,opencv-contribute编译https://blog.youkuaiyun.com/hensonwells/article/details/123085406参考上述链接,编译OpenCV的过程中,因为一个众所周知的原因导致第三方库下载出错,`IPPICV: Download: ippicv_2020_win_intel64_20191018_general.zipTry 1 failedCMake Warning at cmake/OpenCVDownlo

boost消除警告 #pragma message: The practice of declaring the Bind placeholders (_1, _2, …)g++ -o service main.cpp -L -lboost_thread -lboost_system -lpthread改為:g++ -o service main.cpp -L -lboost_thread -lboost_system -lpthread -DBOOST_BIND_GLOBAL_PLACEHOLDER

TinyXML2 下载地fhg :https://github.com/leethomason/tinyxml2使用方法:将.h.cpp 放至工程中,然后 引用#include"tinyxml2.h"using namespace tinyxml2;即可以如下XML文件格式进行解析:<?xml version="1.0" encoding="UTF-8"?><频率名称列表> <测试> <起始频率>555</

nRet = avcodec_open2(m_pAVEncodeCtx, pEncoder, nullptr);if (nRet < 0){ XXLOG->writeErrorInfo("录制屏幕 - 打开编码器失败"); YHLOG->writeErrorInfo(QString("Error-- id: %1. code: %2"). arg(pEncoder-&...

https://forum.qt.io/topic/54848/qwtplot-zooming-logarithmic-scale/2zoscHello,i have a QwtPlot with a logarithmic scale on y and time scale on x. That was not the problem, but zooming into the graph....

Log4CPlus若作为一个 单例模式,单独封装在DLL中,无法将日志写入文件中需要将如下Log4CPlus 的初始化代码放在DLL外, 使用Log4CPlus前 :log4cplus::Initializer initializer;主程序:////#include <QtCore/QCoreApplication>////////int main(int argc,...

存储后,格式错乱http://www.cnblogs.com/coding-my-life/p/4070201.htmlboost::property_tree::xml_writer_settings<char> settings('\t',1);write_xml(filename, pt,std::local(),settings);意思是缩进1个\t，结果报了一大堆错...