polling
What's the best way to ping many network devices in parallel?
I poll a lot of devices in network (more than 300) by iterative ping. The program polls the devices sequentially, so it\'s slow.[详细]
2023-02-08 13:31 分类：问答Polling, Comet, WebSockets, etc
I\'m needing to build in some pretty agressive \"auto refresh\" capabilities into a web application. It\'s kind of a photo gallery and the images are stored on AmazonS3 but the data about the images a[详细]
2023-02-07 14:56 分类：问答USB polling mechanism
Why does USB use a polling mechanism instead of an interrupt to detect the device? I\'ve read here on Stack Overflow that if the event is[详细]
2023-02-07 12:40 分类：问答How do I return outside of the function?
How do I return a value from within $.ajax to the outer function? In the example below, I want getProxySrc() to return streamSrc. Also, I don\'t want to tie up javascript / the page while it\'s happen[详细]
2023-02-07 08:50 分类：问答How does polling a file for changes work?
The problem I expected the script below to print at most one event and then stop (it\'s written only to illustrate the problem).[详细]
2023-02-06 04:53 分类：问答Progress notification in WCF for long running processes - How?
I have to design and implement a way to deal with long running processes in a client/server application. A typical long running process would/could take 2-3 minutes. I also need to report progress to[详细]
2023-02-04 06:54 分类：问答Can Jquery update/insert new table rows when new database entry?
I have a basic html table that\'s populated using PHP/mysql. Can anyone suggest how I can update or insert a new table row at the top of the table when a new row is inserted into my database usin开发者[详细]
2023-02-03 09:09 分类：问答image polling through javascript
I need to poll an image using javascript and need to perform an action once the image is found at its position. This is the code I have written for this task.[详细]
2023-01-31 05:07 分类：问答Good C#.NET Solution to manage frequent database polling
I am currently working on a c# .NET desktop application that will be communicating to a database over the internet via WCF and WCF Data Services.There will be many spots in the application that may ne[详细]
2023-01-29 12:30 分类：问答What is the best Design/Way to keep user connected?
Am working on aPOC for self learning in which I want to keep my user connected in LIVE pattern. For example,A game in which 4 user can play at a time , here I need to keep this user connected to my ga[详细]
2023-01-29 00:23 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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