Ubuntu16.04 安装g++6
1.安装gcc-6：
sudo apt-get update && \ sudo apt-get install build-essential software-properties-common -y && \ sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && \ sudo apt-get update && \ sudo apt-get install gcc-snapshot -y && \ sudo apt-get update && \ sudo apt-get install gcc-6 g++-6 -y && \ sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-6 60 --slave /usr/bin/g++ g++ /usr/bin/g++-6
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每一个不曾起舞的日子，都是对生命的辜负。
But it is the same with man as with the tree. The more he seeks to rise into the height and light, the more vigorously do his roots struggle earthward, downward, into the dark, the deep - into evil.
其实人跟树是一样的，越是向往高处的阳光，它的根就越要伸向黑暗的地底。----尼采
每一个不曾起舞的日子，都是对生命的辜负。
But it is the same with man as with the tree. The more he seeks to rise into the height and light, the more vigorously do his roots struggle earthward, downward, into the dark, the deep - into evil.
其实人跟树是一样的，越是向往高处的阳光，它的根就越要伸向黑暗的地底。----尼采
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