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What is the proper way to re-attach detached objects in Hibernate?
...k);
});
And Hibernate is going to execute the following SQL statements:
SELECT
b.id,
b.author AS author2_0_,
b.isbn AS isbn3_0_,
b.title AS title4_0_
FROM
book b
WHERE
b.id = 1
-- Merging the Book entity
UPDATE
book
SET
author = 'Vlad Mihalcea',
isbn = '978-9...
Parallel.ForEach() vs. foreach(IEnumerable.AsParallel())
...the AsParallel() call, like:
var fibonacciNumbers = numbers.AsParallel().Select(n => ComputeFibonacci(n));
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Opening project in Visual Studio fails due to nuget.targets not found error
...
Install Nuget.
Right click on the solution and select "Enable NuGet
Package Restore". In Visual Studio 2013 and later, select "Restore NuGet Packages" instead.
Click Ok on the warning.
Close and re-open the solution.
Should now be hunky-dory.
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Generate C# class from XML
... file as classes.
Copy your XML file's content to clipboard
In editor, select place where you want your classes to be pasted
From the menu, select EDIT > Paste Special > Paste XML As Classes
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How to list files in a directory in a C program?
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while ((dir = readdir(d)) != NULL) // if we were able to read somehting from the directory
{
if(dir-> d_type != DT_DIR) // if the type is not directory just print it with blue
printf("%s%s\n",BLUE, dir->d_name);
else
if(dir -> d_type == DT_DIR && str...
Pan & Zoom Image
... MouseButtonEventArgs e)
{
image.ReleaseMouseCapture();
}
As for the selection handles for resizing this can be accomplished using an adorner, check out this article for more information.
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What's wrong with nullable columns in composite primary keys?
...ow in a table: when a table has a primary key, you have a guranteed way to select any row from it.
A unique constraint does not necessarily identify every row; it just specifies that if a row has values in its columns, then they must be unique. This is not sufficient to uniquely identify every row...
One-liner to recursively list directories in Ruby?
...elsif child.directory?
rec_path(child, file) + [child]
end
end.select { |x| x }.flatten(1)
end
# only directories
rec_path(Pathname.new(dir), false)
# directories and normal files
rec_path(Pathname.new(dir), true)
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How do I rename a column in a database table using SQL?
...any other RDBMS), you can do it with regular ALTER TABLE statement:
=> SELECT * FROM Test1;
id | foo | bar
----+-----+-----
2 | 1 | 2
=> ALTER TABLE Test1 RENAME COLUMN foo TO baz;
ALTER TABLE
=> SELECT * FROM Test1;
id | baz | bar
----+-----+-----
2 | 1 | 2
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Empty Visual Studio Project?
...oject won't do a 'damn' thing either when you go to Project Properties and select Utility under Configuration Type under the General tab.
– Abel
Feb 2 '10 at 16:17
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