This has always bothered me - why does the GROUP BY clause in a SQL statement require that I include all non-aggregate columns? These columns should be included by default - a kind of \"GROUP BY *\" -
I would like to create my own LiveWallpaperPreview, i.e. to show the user a fullscreen preview of what the selected Live Wallpaper looks like (without the \"Set Wallpaper\" and \"Settings\" button tha
I want to build a utility that can import data from excel 开发者_开发问答sheet(columns are fixed but sheets can be any number) to oracle db.Can you suggest how should I:
大家好，小生来为大家讲解下。怎样用笼屉布做油刷，怎样用笼蒸米饭很多人还不知道，现在让我们一起来看看吧！
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