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In which case do you use the JPA @JoinTable annotation?
... UPDATE There aren't duplicates entries in my database, the hibernate is selecting with the left outer join and I dont know why..
– MaikoID
Dec 12 '12 at 20:49
2
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How do I create a WPF Rounded Corner container?
...n. The extensions are VisiFire charting objects. The user pushes a button, selected from the list of buttons, to execute the desired chart.
' Create a ListBox of Buttons, one button for each MEF charting component.
For Each c As Lazy(Of ICharts, IDictionary(Of String, Object)) In ext.C...
What are the main performance differences between varchar and nvarchar SQL Server data types?
... AND ([URLa] IS NULL OR [URLu] IS NULL))
);
In this model you only SELECT from the [URL] computed column. For inserting and updating, you determine which field to use by seeing if converting alters the incoming value, which has to be of NVARCHAR type:
INSERT INTO TableName (..., URLa, URLu)...
Git - How to use .netrc file on Windows to save user and password
...in the control panel. Depending on the version of Windows, you may need to select "Advanced Options".).
The password stored in the _netrc file cannot contain spaces (quoting the password will not work).
share
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Simple explanation of MapReduce?
...e reduced to a scalar value.
So if you think of it like a SQL statement
SELECT SUM(salary)
FROM employees
WHERE salary > 1000
GROUP by deptname
We can use map to get our subset of employees with salary > 1000
which map emits to the barrier into group size buckets.
Reduce will sum each of...
Fluid width with equally spaced DIVs
...g
.box1, .box2, .box3, .box4 { ...
to
#container > div { ...
This selects any div that is the first child of the #container div, and no others below it. To generalize the background colors, you can use the CSS3 nth-order selector, although it's only supported in IE9+ and other modern browse...
How to securely save username/password (local)?
... textBox2.Text = readable;
}
groupBox1.Select();
}
static byte[] entropy = Encoding.Unicode.GetBytes("SaLtY bOy 6970 ePiC");
public static string EncryptString(SecureString input)
{
byte[] encryptedData = ProtectedDat...
Alternative to google finance api [closed]
...ery Language)**
For example:
http://developer.yahoo.com/yql/console/?q=select%20*%20from%20yahoo.finance
.quotes%20where%20symbol%20in%20(%22YHOO%22%2C%22AAPL%22%2C%22GOOG%22%2C%22
MSFT%22)%0A%09%09&env=http%3A%2F%2Fdatatables.org%2Falltables.env
2. Use the webservice
For example, to get ...
What is the difference between Serializable and Externalizable in Java?
...
We used Externalizable for large collections of "selected IDs" -- it was far more efficient externalizing as more-or-less a count & an array of primitive ints, than default serialization. That's a very simple usecase, nothing "special" or "unique".
...
Foreign Key to multiple tables
...ulkon I know this is an old question but the query would be something like SELECT t.Subject AS ticketSubject, CASE WHEN u.Name IS NOT NULL THEN u.Name ELSE g.Name END AS ticketOwnerName FROM Ticket t INNER JOIN Party p ON t.Owner=p.PartyId LEFT OUTER JOIN User u ON u.ID=p.PartyId LEFT OUTER JOIN Gro...