polling

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Database polling using Triggers in Java Application

Could someone please guide me into the right direction for this: I wan to have an asynchronous function in my Java program that when called, it continuously monitors changes of some table in the DB.[详细]

2023-03-15 06:09 分类：问答
CORBA : how does client poll from server?

I am a total newbie in CORBA. I have written a simple c++ CORBA CLIENT and a CORBA SERVER. I would like the client to ask a s开发者_JAVA技巧tatus from time to time from the server. However, I have no[详细]

2023-03-15 01:43 分类：问答
Method other than polling to Download a file that may be being updated by server

My code can download any file from a given url. The problem is that i have to download search results that are in .gz file format which is being continuously updated.[详细]

2023-03-14 19:43 分类：问答
AJAX/PHP Why is HTTP-Polling so laggy?

Why is HTTP-Polling so lag开发者_开发百科gy? What I have is a button, and whenever a user clicks it a MySQL database field gets updated and the value is displayed to the user. I\'m polling every 800[详细]

2023-03-13 18:57 分类：问答
Blocking vs. Non Blocking network IO in Python

I have some python code that was written by a developer before me. I开发者_开发知识库t sends UDP messages to nodes in a P2P network. I am writing a parallel version of that code. This code sends multi[详细]

2023-03-13 12:18 分类：问答
Polling the database in a background worker thread - .NET

I am new to .NET ... I am trying to create a background worker thread that can poll the database every 20s to find out whether the data in the database has changed or not.[详细]

2023-03-12 10:09 分类：问答
Alternative to polling for job scheduler

We\'ve got need for a job server here at work and I\'m currently playing with Quartz.net, but the idea of creating my own appeals to me. At the very least understanding what Quartz.net may be doing un[详细]

2023-03-11 16:03 分类：问答
Where can I find a good C# console app that demonstrates polling?

I\'m looking for a good example of polling in C#. Basically, every X seconds an instrument is read and the values logged to a text file. I was looking for a sample that makes use of .NET 4\'s paralle[详细]

2023-03-10 11:33 分类：问答
How to monitor page for changes without polling?

I currently hav开发者_开发知识库e an IRC bot written in C++ which monitors a page written in php for changes and then outputs these changes to the IRC channel.[详细]

2023-03-08 10:06 分类：问答
PHP & MySQL: Check if table's data has changed without polling?

Is there a way to test if a MySQL table\'s data has changed at all, without connecting or querying. This might sound weird, but in ASP.NET you can set up SqlDependencies that are kind of events that[详细]

2023-03-08 10:01 分类：问答