我有一个控制器,我的按钮的动作事件打开了一个子阶段.问题是当我关闭父阶段时,子阶段也会关闭.只要子阶段打开,我想阻止父阶段关闭.

URL url = getClass().getResource("Message.fxml");
FXMLLoader fxmlLoader = new FXMLLoader();
fxmlLoader.setLocation(url);
fxmlLoader.setBuilderFactory(new JavaFXBuilderFactory());
root = (Parent)fxmlLoader.load(url.openStream());
Stage stage = new Stage();
//stage.initStyle(StageStyle.UNDECORATED);
//stage.setFullScreen(true);
stage.setTitle("Welcome User");
stage.setScene(new Scene(root, 675,
stage.show();
Run Code Online (Sandbox Code Playgroud) 我尝试删除文件,如果它已经存在.
但我最终没有结果.
谁能帮我这个!!!
$path_user = '/wp-content/plugins/est_collaboration/Files/'.$send_id.'/';
if (!file_exists($path_user)) {
if (mkdir( $path_user,0777,false )) {
//
}
}
unlink($path_user);
if(move_uploaded_file($file['tmp_name'],$path_user.$path)){
echo "Your File Successfully Uploaded" . "<br>";
}
Run Code Online (Sandbox Code Playgroud) 我正在尝试从超棒的字体中添加一个图标,但是由于某些原因,在加载页面时它不会出现。以下是我的html代码,在其中尝试以不同的方式添加很棒的字体。
<html lang="en">
<head>
<title>Media Queries</title>
<meta name="viewport" content="width=device-width, initial=scale1.0">
<link rel="stylesheet" href="main.css">
<link href='https://fonts.googleapis.com/css?family=Lato:100' rel='stylesheet' type='text/css'>
<link href='https://fonts.googleapis.com/css?family=Lato' rel='stylesheet' type='text/css'>
<link href='https://fonts.googleapis.com/css?family=Open+Sans:700' rel='stylesheet' type='text/css'>
<link rel="stylesheet" href="font-awesome-4.6.3/css/font-awesome.min.css">
</head>
<body>
<i class="fa fa-car" aria-hidden="true"></i>
<h1>
<i class="fa fa-car" aria-hidden="true"></i>Dummy Text
</h1>
</body>
</html>
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代码中是否缺少任何内容?
我想从亚马逊s3桶下载文件.
这是我的代码:
public function GetFile($userID) {
try {
$s3 = \Storage::disk('s3');
$file = $s3->get('pathtofile');
return (new Response($file, 200))
->header('Content-Type', 'application/pdf');
} catch (\Exception $ex) {
return '';
}
}
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但它给出了错误:
Call to undefined method Illuminate\Support\Facades\Response::header()
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请指导我.
感谢名单.
除了上面的问题,我想知道是否有任何方法来优化这个MySQL语句.
SELECT *
FROM `products`
WHERE
`category` = 3073 OR
`category` = 3074 OR
`category` = 3100 OR
`category` = 3102 OR
`category` = 3106 OR
`category` = 3109 OR
`category` = 3111 OR
`category` = 3115 OR
`category` = 3130 OR
`category` = 3134 OR
`category` = 3144 OR
`category` = 3146 OR
`category` = 3152 OR
`category` = 3157 OR
`category` = 3162 OR
`category` = 3163 OR
`category` = 3164 OR
`category` = 3166 OR
`category` = …Run Code Online (Sandbox Code Playgroud) 我有以下代码:
$value = '2012-03-05';
$parts = explode('-',$value);
$value = mktime(0,0,0,$parts[1],$parts[0],$parts[2]);
// output of $value is 2012
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不应该mktime()返回类似的输出time()?
我的代码出了什么问题?
我正在阅读一些文档(根据NDA),其中说要执行以下操作:
Rnd1[11..7] <+> Rnd2[11..7]
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Rnd1并Rnd2表示一个字节数组.
运营商<+>应该做什么?
我浏览了整个文档,无法找到解释.