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What is the best way to check for Internet connectivity using .NET?
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Another use case is an online checker that will alert me as soon as my internet is back up
– Ben Philipp
Dec 15 '19 at 8:14
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How can you check for a #hash in a URL using JavaScript?
...h.substring(1); //Puts hash in variable, and removes the # character
alert (hash);
// hash found
} else {
// No hash found
}
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improve this answer
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Floating View 扩展：悬浮视图扩展，将组件转换为悬浮窗口 · App Inventor 2 中文网
...：通过 LayoutParams 设置窗口属性
权限系统：需要 SYSTEM_ALERT_WINDOW 权限
边距设置
重叠视图的边距列表格式：
索引 0：左边距
索引 1：上边距
索引 2：右边距
索引 3：下边距
动画效果
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App Launcher 应用启动器扩展：用于启动其他应用程序的强大工具，支持独立...
...rmissionEditor添加事件：AfterBackgroundPermssion添加权限：SYSTEM_ALERT_WINDOW & ACTION_MANAGE_OVERLAY_PERMISSION额外的 LauncherIntent 模块提供了更多启动应用执行方式的选项
2.3 (2021-05-12)
如果更改了包名，启动AI2应用（意图类型 Scre...
Add days to JavaScript Date
... = new Date(); tomorrow = new Date(); tomorrow.setDate(today.getDate()+1); alert(tomorrow.getMonth()); Says "3". alert(tomorrow); is correct... Why???
– d-_-b
Mar 31 '10 at 2:44
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Where are $_SESSION variables stored?
... server create file sess_7nu9p0fvidvva6ouaugqcc8292 аnd on browser alert(getCookie('PHPSESSID'));//7nu9p0fvidvva6ouaugqcc8292
– zloctb
Oct 7 '13 at 7:30
3
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Use basic authentication with jQuery and Ajax
...codeBase64 (“username:password”) );}, succes: function(val) { //alert(val); alert("Thanks for your comment!"); } }); `
– Patrioticcow
Mar 31 '11 at 23:07
69
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Dynamically creating keys in a JavaScript associative array
...doesn't exist it will be added.
var a = new Array();
a['name'] = 'oscar';
alert(a['name']);
Will pop up a message box containing 'oscar'.
Try:
var text = 'name = oscar'
var dict = new Array()
var keyValuePair = text.replace(/ /g,'').split('=');
dict[ keyValuePair[0] ] = keyValuePair[1];
alert( ...
How can I determine the direction of a jQuery scroll event?
...is).scrollTop();
if (currentScroll > previousScroll){
alert('down');
} else {
alert('up');
}
previousScroll = currentScroll;
});
}()); //run this anonymous function immediately
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What is the difference between call and apply?
.../ This also has the unintentional side effect of adding a value to window:
alert(window.value); // Alerts NaN
Even though obj.addValues and f refer to the same function, they behave differently when called because the value of the receiver is different in each call. For this reason, when calling a...