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Which annotation should I use: @IdClass or @EmbeddedId
The JPA (Java Persistence API) specification has 2 different ways to specify entity composite keys: @IdClass and @EmbeddedId .
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Forms authentication timeout vs sessionState timeout
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228
They are different things. The Forms Authentication Timeout value sets the amount of time in m...
How to compare dates in datetime fields in Postgresql?
...ng a strange scenario when comparing between dates in postgresql(version 9.2.4 in windows). I have a column in my table say update_date with type 'timestamp without timezone'. Client can search over this field with only date (i.e: 2013-05-03) or date with time (i.e: 2013-05-03 12:20:00). This column...
Unknown column in 'field list' error on MySQL Update query
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answered Aug 28 '09 at 10:57
tuergeisttuergeist
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How do I write outputs to the Log in Android?
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213
Look into android.util.Log. It lets you write to the log with various log levels, and you can...
How to remove files and directories quickly via terminal (bash shell) [closed]
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782
rm -rf some_dir
-r "recursive"
-f "force" (suppress confirmation messages)
Be careful!
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Does java have a int.tryparse that doesn't throw an exception for bad data? [duplicate]
C# has Int.TryParse: Int32.TryParse Method (String, Int32%)
3 Answers
3
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Create a CSV File for a user in PHP
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280
Try:
header("Content-type: text/csv");
header("Content-Disposition: attachment; filename=file...
Can the C# interactive window interact with my code?
In Visual Studio 2015 or later, I can open the 'C# interactive window', and run code:
5 Answers
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