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@UniqueConstraint annotation in Java

... @Entity @Table(uniqueConstraints={@UniqueConstraint(columnNames = {"id_1" , "id_2"})}) public class class_name { @Id @GeneratedValue public Long id; @NotNull public Long id_1; @NotNull public Long id_2; } Hope it helped. ...
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SQL Server : Columns to Rows

...PERTY(o.id,'IsMSShipped') = 0 AND i.rowcnt >350 AND o.xtype !='TF' ORDER BY o.name ASC print @tablename You can get list of tables which has rowcounts >350 . You can see at the solution list of table as row. s...
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How to loop through file names returned by find?

... bmargulies are safe to use with white space in the file/folder names. In order to also have the - somewhat exotic - case of newlines in the file/folder names covered, you will have to resort to the -exec predicate of find like this: find . -name '*.txt' -exec echo "{}" \; The {} is the placehol...
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Create folder with batch but only if it doesn't already exist

... @jpmc26 You are right, a trailing slash does the job and is actually preferable since it works with quotes (thus allowing you to have spaces in the directory path). To distinguish between either file/directory, this will work: if exist "a" if not exist "a\" (echo "it's a file") else (echo...
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Facebook App: localhost no longer works as app domain

... Solution using Firebase In order to get this working on localhost, port 3000 I did the following: Create App Now Select "+ Create Test App" from the arrow dropdown (top left). Add localhost to App Domains Add http://localhost:3000/ to ...
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Android: Tabs at the BOTTOM

... In order to get rid of the divider at the bottom of the TabWidget, simply add android:layout_marginBottom="-5px" to the TabWidget. This will move the TabWidget off the bottom of the screen 5 pixels, just enough so you don't see ...
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Angularjs $q.all

... @Zerkotin you can throw from a .then in order to both handle it later and expose it to $exceptionHandler, which should save you that trouble and a global. – Benjamin Gruenbaum Aug 7 '14 at 6:16 ...
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Programmatically saving image to Django ImageField

...import File # you need this somewhere import urllib # The following actually resides in a method of my model result = urllib.urlretrieve(image_url) # image_url is a URL to an image # self.photo is the ImageField self.photo.save( os.path.basename(self.url), File(open(result[0], 'rb')) ...
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How to run Rails console in the test environment and load test_helper.rb?

...rubyonrails.org/classes/ActiveSupport/TestCase.html ... it's probably test order which is :random by default – Mirv - Matt May 30 '17 at 22:32 ...
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http to https apache redirection

... I have actually followed this example and it worked for me :) NameVirtualHost *:80 <VirtualHost *:80> ServerName mysite.example.com Redirect permanent / https://mysite.example.com/ </VirtualHost> <VirtualHost _de...