polling

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Is it possible to differentate between page refresh and close using the below method?

I want to open a popup window on closing the page and no开发者_JAVA技巧t during refresh of the page,[详细]

2023-04-08 09:59 分类：问答
Curious: what is this syntax that Facebook's polling services is using during the callback

I was watching the Network Monitor on Chrome\'s developer tool seeing how Facebook updates content throughout their news feed.[详细]

2023-04-07 15:09 分类：问答
CF app two way communications with server

Users in field with PDA\'s will generate messages and send to the server; users at the server end will generate messages which need to be sent to the PDA.[详细]

2023-04-06 10:49 分类：问答
I can't understand polling/select in python

I\'m doing some threaded asynchronous networking experiment in python, using UDP. I\'d like to understand polling and the select python module, I\'ve never used them in C/C++.[详细]

2023-04-05 10:09 分类：问答
Detect If Browser Tab Has Focus

Is there a reliable cross-browser way to detect that a tab has focus. The scenario is that we have an application that polls regularly for stock prices, and if the page doesn开发者_如何学C\'t have fo[详细]

2023-04-04 19:50 分类：问答
Shell process' standard output reading in Visual Basic 6

First, let me say that I\'m not a Visual Basic 6 expert... My need is to: launch from a VB6 client code an exeternal .exe file[详细]

2023-04-04 00:59 分类：问答
How do I start and stop javascript-initiated queries in my Rails app?

I have an app that needs to periodically update a \"news\" area of the screen as long as my Publisher object has news.When there is no news, that area of the screen is hidden (or simply not rendered),[详细]

2023-04-01 17:07 分类：问答
How should I poll a large number of files for changes?

I\'d like to poll the file system for any changed, added or removed files or sub-directories. All changes should be detected quickly but without putting pressure on the machine. The OS is Windows >= V[详细]

2023-03-31 13:07 分类：问答
How do I cause the web browser to complete the loading process, although I am running pending AJAX requests in the background?

I am trying to implement a sim开发者_开发百科ple \"comet\" ajax long-polling mechanism (as described here).[详细]

2023-03-30 05:01 分类：问答
How to poll email with hosted solutions? PHP or ASP

I have been looking for some time now but i cannot really find a good way to process an emial box using a hosted solution as justhost or asphost . Now my instinct tells me to write a service .. but 开[详细]

2023-03-29 11:39 分类：问答