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ubuntu18.04安装微信Ubuntu终于可以用微信了，Mark一下https://blog.youkuaiyun.com/sinat_39369871/article/details/110095705https://zhuanlan.zhihu.com/p/336593807这两个是一样的

make报错：~/slam/ceres-solver/build$ make [ 50%] Building CXX object CMakeFiles/learn1.dir/learn1.cpp.oIn file included from /usr/local/include/ceres/internal/array_selector.h:38:0, from /usr/local/include/ceres/internal/autodiff.h:148,

编译ceres-solver-1.11.0遇到问题执行：cmake ..#成功make#报错如下[ 34%] Building CXX object internal/ceres/CMakeFiles/ceres.dir/generated/partitioned_matrix_view_4_4_d.cc.o[ 34%] Building CXX object internal/ceres/CMakeFiles/ceres.dir/generated/partitioned_matrix_v

opencv+contrib编译问题小结今天又安装了opencv+contrib，遇到了一些问题，进行记录。1、使用cmake-gui和cmake使用cmake-gui编译时，设置install的路径：不能设置为：../install，必须为绝对路径，否则会报错但是直接使用cmake就可以设置为：../install有点担心使用绝对路径cmake之后库的迁移问题，我就使用了cmake。命令如下：cmake -D CMAKE_INSTALL_PREFIX=../install -DOPENC

问题：Ubuntu 16.04 安装ROS kinetic提示Depends: ros-kinetic-desktop but it is not going to be installedUbuntu18 升级20之后的ros安装解决：https://www.freesion.com/article/98511422304/

https://blog.youkuaiyun.com/xinran0703/article/details/115936599?utm_source=app&app_version=4.7.1&code=app_1562916241&uLinkId=usr1mkqgl919blen

调用opencv时编译报错，libilmlmf.so问题[ 66%] Linking CXX executable testinit/usr/bin/ld: warning: libIlmImf-2_2.so.22, needed by /home/tonglu/pkg/opencv3.2/opencv-3.2.0/install/lib/libopencv_imgcodecs.so.3.2.0, not found (try using -rpath or -rpath-link)/usr/bin/

Appimage无法打开的bug程序XXX.AppImage突然就打不开了报错：$ ./appimagetool-x86_64.AppImage fusermount: mount failed: Operation not permittedCannot mount AppImage, please check your FUSE setup.You might still be able to extract the contents of this AppImage if you ru