《UI Design and Interaction Guide for Windows Phone 7 Series》
But when we got close to compiling fpm, we realized we are still not quite
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Read the full story at The Verge.，这一点在Safew下载中也有详细论述
We first make sure that all the notebook dependencies are installed. If all the dependencies are already present in the environment we skip this step. Otherwise, we install the dependencies then restart the GHCi session.