poller

I have a poller running on a certain directory every 35s. The files are placed in this directory through a SFTP server. The problem is whenever the polling conflicts with the time when a file is being copied. It picks the incomplete file also which is not yet copied completely. Can we know the status of a file whether it is in copying mode or copied mode? There are several common strategies for file watchers to "know" a file is completely transferred Poll with time interval, and treat the file to be completely transferred if file size is not changing within an interval. e.g. watch for file

I’m coding an auction website in Laravel 5.0 that simulates realtime updates by using an AJAX poller that is executed every 5 seconds. The problem is that my server returns sporadic HTTP 401 status. My route is build like this: Route::post(auction/live/update, 'AuctionController@ajaxSendUpdate'); My controller is like this: public function ajaxSendUpdate() { // Business logic: queries database, couple of Ifs, etc… $data = array('success' => true, 'otherStuff' => $myData); return Response::json($data); } Finally my poller is setup like this: // a bit of HTML function getAuctionUpdate() {

Hi i am working on a paly2.0 framework application(with java) using backbone.js. In my application i need to get the table data from the database regularly ( for the use case of displaying the upcoming events list and if the crossed the old event should be removed from the list ).I am getting the data to display ,but the issue is to hit the Database regularly.For that i tried use backbone.js polling concept as per these links Polling a Collection with Backbone.js , http://kilon.org/blog/2012/02/backbone-poller/ .But they not polling the latest collection from db. Kindly suggest me how to