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java.io.IOException: open failed: EINVAL (Invalid argument)

    今天在敲代码的时候,发现控制台有java.io.IOException: open failed: EINVAL (Invalid argument)输出,而且原本要创建的文件也没有创建成功,后来百度了一把,发现是在android中,创建文件时,文件名中不能包含“:”冒号,备忘记录一下。

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onsen ui example splitter side menu swipe

<!DOCTYPE html> <html> <head> <title>TheyTube - Watch free video online</title> <link rel="stylesheet" href="https://unpkg.com/onsenui/css/onsenui.css"> <link rel="stylesheet" href="https://unpkg.com/onsenui/css/onsen-css-components.min.css">   <script src="https://unpkg.com/onsenui/js/onsenui.min.js"></script>   <script type="text/javascript">   ons.platform.select('android')   </script> </head> <body> <ons-splitter>   <ons-splitter-side id="menu" side="left" width="220px" collapse swipeable>     <ons-page>       <ons-list>         <ons-list-item onclick="fn.load('home.html')" tappable>           Home         </ons-list-item>         <ons-list-item onclick="fn.load('settings.html')" tappable>           Setti

go golang get disk usage free space remain info

package main import ( "fmt" "syscall" ) func main() { fmt.Println(DiskUsage("./")) } func DiskUsage(path string) uint64 { fs := syscall.Statfs_t{} err := syscall.Statfs(path, &fs) if err != nil { return 0 } return fs.Bfree * uint64(fs.Bsize) } //All space   = fs.Blocks * uint64(fs.Bsize) //Free space = fs.Bfree * uint64(fs.Bsize) //Used space= fs.All - disk.Free