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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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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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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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Do sessions really violate RESTfulness?

...H, is able to create their own transitions at any time (e.g., enter a URL, select a bookmark, open an editor, etc.)." Going to the issue of authentication, whether it is accomplished through cookies or headers, as long as the information isn't part of the URI and POST payload, it really has nothi...
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What is the difference between the kernel space and the user space?

...d 2 aren't used? How is the current ring determined? The current ring is selected by a combination of: global descriptor table: a in-memory table of GDT entries, and each entry has a field Privl which encodes the ring. The LGDT instruction sets the address to the current descriptor table. See ...
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How to display multiple notifications in android

... Simple notification_id needs to be changable. Just create random number for notification_id. Random random = new Random(); int m = random.nextInt(9999 - 1000) + 1000; or you can use this method for creating random number as told by t...
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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...
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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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What should my Objective-C singleton look like? [closed]

... Another option is to use the +(void)initialize method. From the documentation: The runtime sends initialize to each class in a program exactly one time just before the class, or any class that inherits from it, is sent its first message from within the ...
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Single Sign On across multiple domains [closed]

...a database. If the user is already authenticated it looks up their session id in the database. The master domain returns to the client domain (client.mydomain.com/client_login.php) passing the session id. The client domain creates a cookie storing the session id from the master. The client can find ...