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javascript Programming Glossary: ping

Whats the easiest way to determine is a user in online? (PHP/MYSQL)

http://stackoverflow.com/questions/1051895/whats-the-easiest-way-to-determine-is-a-user-in-online-php-mysql

to know they are still active even when they're not jumping from page to page include a bit of javascript to ping your server.. jumping from page to page include a bit of javascript to ping your server every 60 seconds or so to let you know they are..

How to measure visiting time of a user

http://stackoverflow.com/questions/1323375/how-to-measure-visiting-time-of-a-user

work in all browser e.g. Opera . So my second idea was to ping the server constantly. To calculate the visiting time someone.. calculate the visiting time someone has to take the last ping time and subtract it from the inital timestamp. But i dont think..

Export javascript data to CSV file without server interaction

http://stackoverflow.com/questions/17836273/export-javascript-data-to-csv-file-without-server-interaction

I would like a 100 browser solution that does not involve ping pong with the server. So it occurred to me that one could open..

JavaScript: How to detect that the Internet connection is offline?

http://stackoverflow.com/questions/189430/javascript-how-to-detect-that-the-internet-connection-is-offline

to handle your own connection problem. Trying to send a ping to google would be a good way to confirm that the internet connection.. would make any kind of two way ajax request but sending a ping to google in this case would pose some challenges. First we'd.. is to set up a server side proxy wherein we actually ping google or whatever site and return the results of the ping to..

How is it possible to share single js resource between browser tabs?

http://stackoverflow.com/questions/19125823/how-is-it-possible-to-share-single-js-resource-between-browser-tabs

would be using cookies but in that case every tab should ping document.cookie because there in no cookie change event like.. Nowadays 2013.10.03 the best option to periodically ping the localStore from the resource utilizer tabs. The other tabs..

How can I validate/secure/authenticate a JavaScript-based POST request?

http://stackoverflow.com/questions/2561999/how-can-i-validate-secure-authenticate-a-javascript-based-post-request

a JavaScript based POST request A product I'm helping to develop will basically work like this A Web publisher creates.. attempts ignore the request. Then go one step further and ping the actual domain to verify that it exists and is an authorized..

Is there a way in javascript to detect if the unload event is caused via a refresh, the back button, or closing the browser?

http://stackoverflow.com/questions/291553/is-there-a-way-in-javascript-to-detect-if-the-unload-event-is-caused-via-a-refre

server that gets updated with every request or use a ajax ping and logout the user if it hasn't been seen for a specified time...

Writing a chat application

http://stackoverflow.com/questions/3682198/writing-a-chat-application

of users. I'm just confused how will I be able to ping the server using AJAX every second or maybe less and check if..

Need simple data push to browser using node.js

http://stackoverflow.com/questions/4074569/need-simple-data-push-to-browser-using-node-js

side I use node.js to do some distributed asynchronous ping pong. I now need to display the results as a real time chart.. browser side so the two should go together. Q1 For prototyping what is the simplest way for me to push string data from node.js..

How to implement a chat room using Jquery/PHP?

http://stackoverflow.com/questions/4174521/how-to-implement-a-chat-room-using-jquery-php

in a natural way and possibly also how to show 'X is typing..' messages in private chat. The obvious way seems to be that.. to be that every X seconds milliseconds the javascript pings the server and fetches a list of new messages between the last.. server and fetches a list of new messages between the last ping and now. However this can make the interface seem a bit unnatural..

Is it possible to ping a server from Javascript?

http://stackoverflow.com/questions/4282151/is-it-possible-to-ping-a-server-from-javascript

it possible to ping a server from Javascript I'm making a web app that requires.. scale linearly with more . I decided to go the route of pinging on the user's end. This way I can load the page and just.. parts of the source but you get the idea . function Pinger_ping ip callback if this.inUse this.inUse true this.callback callback..

how can I execute javascript code every a specific time interval?

http://stackoverflow.com/questions/4836862/how-can-i-execute-javascript-code-every-a-specific-time-interval

javascript code every a specific time interval I want to ping the server every 2 minutes using jquey I thought about an open..

Real-time collaborative drawing whiteboard in HTML5/JS and websockets?

http://stackoverflow.com/questions/6845682/real-time-collaborative-drawing-whiteboard-in-html5-js-and-websockets

www.unionplatform.com page_id 2954 in my tests a basic ping over WebSocket is normally about twice as fast as the ping over.. ping over WebSocket is normally about twice as fast as the ping over http. both websocket and coment are more than fast enough..