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How can I detect whether an iframe is loaded?

...s.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <button id='click'>click me</button> <iframe style="display:none" id='MainPopupIframe' src='' /></iframe> jsfiddle DEMO. Update: Using plain javascript window.onload=function(){ var ifr=docum...
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Setting Environment Variables for Node to retrieve

...in this case) are being used to pass credentials to your application. USER_ID and USER_KEY can both be accessed from process.env.USER_ID and process.env.USER_KEY respectively. You don't need to edit them, just access their contents. It looks like they are simply giving you the choice between loadin...
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Get root view from current activity

... view of your activity (so you can add your contents there) use findViewById(android.R.id.content).getRootView() Also it was reported that on some devices you have to use getWindow().getDecorView().findViewById(android.R.id.content) instead. Please note that as Booger reported, this may be b...
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Flask-SQLAlchemy how to delete all rows in a single table

... Does not work if you use a query like this: Model.query.filter(Model.some_id == some_id, Model.other_id.in_(other_ids).delete() – swade Jan 26 '17 at 19:27 ...
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What is meaning of boolean value returned from an event-handling method in Android

In android, most event listener methods return a boolean value. What is that true/false value mean ? what will it result in to the subsequence events ? ...
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Can I draw rectangle in XML?

...arlier: <?xml version="1.0" encoding="UTF-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/listview_background_shape"> <stroke android:width="2dp" android:color="#ff207d94" /> <padding android:left="2dp" android:top="2dp" ...
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How can I get LINQ to return the object which has the max value for a given property? [duplicate]

...l loop through only once. Item biggest = items.Aggregate((i1,i2) => i1.ID > i2.ID ? i1 : i2); Thanks Nick - Here's the proof class Program { static void Main(string[] args) { IEnumerable<Item> items1 = new List<Item>() { new Item(){ ClientID ...
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How to add a button to PreferenceScreen

...he standard preferences. Include a ListView in your layout and give it the ID @android:id/list. Let's say we call the layout file res/layout/main.xml. It could look something like this: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/...
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How to create ASP.NET Web API Url?

... string url = Url.Route("DefaultApi", new { controller = "values", id = "123" }); return new string[] { "value1", "value2" }; } // GET /api/values/5 public string Get(int id) { return "value"; } ... } This UrlHelper doesn't exist neither in your vi...
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Socket.io rooms difference between broadcast.to and sockets.in

.... Also, every socket is automatically connected to their own room with the id socket.id (this is how private chat works in socketio, they use rooms). Send to the sender and noone else socket.emit('hello', msg); Send to everyone including the sender(if the sender is in the room) in the room "my r...