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System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second

I've a timer object. I want it to be run every minute. Specifically, it should run a OnCallBack method and gets inactive while a OnCallBack method is running. Once a OnCallBack method finishes, it (a OnCallBack ) restarts a timer. ...
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Does PostgreSQL support “accent insensitive” collations?

In Microsoft SQL Server, it's possible to specify an "accent insensitive" collation (for a database, table or column), which means that it's possible for a query like ...
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Match multiline text using regular expression

I am trying to match a multi line text using java. When I use the Pattern class with the Pattern.MULTILINE modifier, I am able to match, but I am not able to do so with (?m). ...
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Differences between git remote update and fetch?

Is git remote update the equivalent of git fetch ? 2 Answers 2 ...
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How do I verify/check/test/validate my SSH passphrase?

I think I forgot the passphrase for my SSH key, but I have a hunch what it might be. How do I check if I'm right? 5 Answer...
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What exactly does the post method do?

I've encountered a very weird feature. 4 Answers 4 ...
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Android custom dropdown/popup menu

How do I do a custom dropdown/popup menu anchored to a button? 4 Answers 4 ...
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How do I flush the PRINT buffer in TSQL?

I have a very long-running stored procedure in SQL Server 2005 that I'm trying to debug, and I'm using the 'print' command to do it. The problem is, I'm only getting the messages back from SQL Server at the very end of my sproc - I'd like to be able to flush the message buffer and see these messages...
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Proper way to implement IXmlSerializable?

Once a programmer decides to implement IXmlSerializable , what are the rules and best practices for implementing it? I've heard that GetSchema() should return null and ReadXml should move to the next element before returning. Is this true? And what about WriteXml - should it write a root el...
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Does Parallel.ForEach limit the number of active threads?

Given this code: 5 Answers 5 ...