笔记
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19
笔记/C++.md
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笔记/C++.md
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## 基础配置
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#### 1.编码及输出
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```cpp
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#if WIN32
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system("chcp 65001");
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setbuf(stdout, NULL);//解决Clion内置控制台debug时不显示打印的问题
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#endif
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```
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---
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## 字符串检查函数
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![[Pasted image 20250213092216.png]]
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---
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## 异常
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![[Pasted image 20250213171955.png]]
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---
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61
笔记/CMakeLists-Qt.md
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笔记/CMakeLists-Qt.md
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```python
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cmake_minimum_required(VERSION 3.28)
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project(MyAppClient)
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set(CMAKE_CXX_STANDARD 11)
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set(CMAKE_AUTOMOC ON)
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set(CMAKE_AUTORCC ON)
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set(CMAKE_AUTOUIC ON)
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set(CMAKE_PREFIX_PATH "C:/Path/QT15/5.15.2/mingw81_64")
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find_package(Qt5 COMPONENTS
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Core
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Gui
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Widgets
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REQUIRED)
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add_executable(${PROJECT_NAME} main.cpp)
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target_link_libraries(${PROJECT_NAME}
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Qt5::Core
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Qt5::Gui
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Qt5::Widgets
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)
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#1. **检查平台和工具链文件**：如果当前平台是Windows且未定义`CMAKE_TOOLCHAIN_FILE`，则执行后续操作。
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if (WIN32 AND NOT DEFINED CMAKE_TOOLCHAIN_FILE)
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#2. **设置调试后缀**：如果使用的是MSVC编译器且构建类型为Debug，则设置`DEBUG_SUFFIX`为"d"，否则为空。
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set(DEBUG_SUFFIX)
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if (MSVC AND CMAKE_BUILD_TYPE MATCHES "Debug")
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set(DEBUG_SUFFIX "d")
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endif ()
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#3. **确定Qt安装路径**：尝试找到Qt的安装路径，如果默认路径不存在，则向上查找两级目录。
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set(QT_INSTALL_PATH "${CMAKE_PREFIX_PATH}")
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if (NOT EXISTS "${QT_INSTALL_PATH}/bin")
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set(QT_INSTALL_PATH "${QT_INSTALL_PATH}/..")
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if (NOT EXISTS "${QT_INSTALL_PATH}/bin")
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set(QT_INSTALL_PATH "${QT_INSTALL_PATH}/..")
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endif ()
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endif ()
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#4. **复制qwindows.dll**：如果存在`qwindows${DEBUG_SUFFIX}.dll`，则在项目构建完成后将其复制到目标目录的`plugins/platforms/`子目录中。
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if (EXISTS "${QT_INSTALL_PATH}/plugins/platforms/qwindows${DEBUG_SUFFIX}.dll")
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add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E make_directory
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"$<TARGET_FILE_DIR:${PROJECT_NAME}>/plugins/platforms/")
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add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E copy
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"${QT_INSTALL_PATH}/plugins/platforms/qwindows${DEBUG_SUFFIX}.dll"
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"$<TARGET_FILE_DIR:${PROJECT_NAME}>/plugins/platforms/")
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endif ()
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#5. **复制Qt库文件**：对于每个指定的Qt库，在项目构建完成后将其对应的DLL文件复制到目标目录。
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foreach (QT_LIB Core Widgets Gui Network)
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add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E copy
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"${QT_INSTALL_PATH}/bin/Qt5${QT_LIB}${DEBUG_SUFFIX}.dll"
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"$<TARGET_FILE_DIR:${PROJECT_NAME}>")
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endforeach (QT_LIB)
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endif ()
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#自动复制配置文件
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#file(COPY ${CMAKE_SOURCE_DIR}/ DESTINATION ${CMAKE_BINARY_DIR})
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```
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75
笔记/CMakeLists.md
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笔记/CMakeLists.md
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```python
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cmake_minimum_required(VERSION 3.28)
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project(Ant)
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# 定义默认编译器
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set(DEFAULT_BYL "dg")
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# 检查自定义编译器参数
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if (NOT DEFINED BYL)
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set(BYL ${DEFAULT_BYL})
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endif ()
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if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
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if (BYL STREQUAL "jr")#菁蓉
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set(CMAKE_C_COMPILER "/opt/jr-gcc-aarch64-7.5.0/bin/aarch64-linux-gnu-gcc")
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set(CMAKE_CXX_COMPILER "/opt/jr-gcc-aarch64-7.5.0/bin/aarch64-linux-gnu-g++")
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set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/build.${PROJECT_NAME}/lib/jr)
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elseif (BYL STREQUAL "lj")#两江
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set(CMAKE_C_COMPILER "/opt/lj-gcc-aarch64-10.3/bin/aarch64-none-linux-gnu-gcc")
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set(CMAKE_CXX_COMPILER "/opt/lj-gcc-aarch64-10.3/bin/aarch64-none-linux-gnu-g++")
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set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/build.${PROJECT_NAME}/lib/lj)
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elseif (BYL STREQUAL "dg")#典格
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set(CMAKE_C_COMPILER "/opt/dg-gcc-aarch64-7.4.1/bin/aarch64-linux-gnu-gcc")
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set(CMAKE_CXX_COMPILER "/opt/dg-gcc-aarch64-7.4.1/bin/aarch64-linux-gnu-g++")
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set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/build.${PROJECT_NAME}/lib/dg)
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endif ()
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elseif (CMAKE_SYSTEM_NAME STREQUAL "Windows")
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set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/build.${PROJECT_NAME}/lib/mingw810_64)
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endif ()
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set(CMAKE_CXX_STANDARD 17)
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#导入库
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include_directories(build.mbf/include build.mpcr/include)
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link_libraries(mpcr mbf)
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if (CMAKE_SYSTEM_NAME STREQUAL "Windows")
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link_directories(build.mpcr/lib/mingw810_64 build.mbf/lib/mingw810_64)
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elseif (CMAKE_SYSTEM_NAME STREQUAL "Linux")
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if (BYL STREQUAL "jr")#菁蓉
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link_directories(build.mpcr/lib/jr build.mbf/lib/jr)
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elseif (BYL STREQUAL "lj")#两江
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link_directories(build.mpcr/lib/lj build.mbf/lib/lj)
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elseif (BYL STREQUAL "dg")#典格
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link_directories(build.mpcr/lib/dg build.mbf/lib/dg)
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endif ()
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endif ()
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include_directories(.)
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aux_source_directory(. SRC_lIST)
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#add_library(Ant STATIC ${SRC_lIST})
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add_library(Ant SHARED ${SRC_lIST})
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#链接系统库
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if (CMAKE_SYSTEM_NAME STREQUAL "Windows")
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target_link_libraries(${PROJECT_NAME} ws2_32)
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endif ()
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# 复制头文件
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# 设置源文件夹和目标文件夹
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set(SOURCE_DIR "${CMAKE_SOURCE_DIR}")
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set(TARGET_DIR "${CMAKE_SOURCE_DIR}/build.${PROJECT_NAME}/include")
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# 确保目标文件夹存在
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file(MAKE_DIRECTORY ${TARGET_DIR})
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# 复制 include 文件夹下的所有文件到 build.${PROJECT_NAME}/include 目录
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file(GLOB INCLUDE_FILES "${SOURCE_DIR}/*.h")
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file(COPY ${INCLUDE_FILES} DESTINATION ${TARGET_DIR})
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```
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---
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``` bash
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# 交叉编译
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cmake .. \
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-DCMAKE_C_COMPILER=/usr/bin/arm-linux-gnueabihf-gcc \
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-DCMAKE_CXX_COMPILER=/usr/bin/arm-linux-gnueabihf-g++ \
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-DCMAKE_BUILD_TYPE=Release
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```
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7
笔记/GitHub.md
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7
笔记/GitHub.md
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[acwj](https://github.com/DoctorWkt/acwj)
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[Tinyhttpd](https://github.com/EZLippi/Tinyhttpd)
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[TinyWebServer](https://github.com/qinguoyi/TinyWebServer)
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[CPlusPlusThings](https://github.com/Light-City/CPlusPlusThings)
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[C-Plus-Plus](https://github.com/TheAlgorithms/C-Plus-Plus)
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[推出一系列重磅项目，带大家实战学习C++，配合本开源项目学习，成长飞快!](https://github.com/Light-City/CPlusPlusThings/blob/master/proj/README.md)
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16
笔记/QT.md
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16
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在Clion环境变量中添加,以显示qDebug的输出
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```
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QT_ASSUME_STDERR_HAS_CONSOLE=1
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```
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在对应目录下执行以生成所需库
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```
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windeployqt ${NAME}
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```
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---
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qDebug显示中文
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```cpp
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QTextCodec *codec = QTextCodec::codecForName("UTF-8");
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QTextCodec::setCodecForLocale(codec);
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```
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