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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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Maven is not working in Java 8 when Javadoc tags are incomplete

...heck. DocLint is a new feature in Java 8, which is summarized as: Provide a means to detect errors in Javadoc comments early in the development cycle and in a way that is easily linked back to the source code. This is enabled by default, and will run a whole lot of checks before generatin...
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Count Rows in Doctrine QueryBuilder

...b = $entityManager->createQueryBuilder(); $qb->select('count(account.id)'); $qb->from('ZaysoCoreBundle:Account','account'); $count = $qb->getQuery()->getSingleScalarResult(); Some folks feel that expressions are somehow better than just using straight DQL. One even went so far as t...
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Cookie overflow in rails application?

...session' UPDATE: If anyone is receiving a null value in column "session_id" violates not-null constraint message in rails 4, there's a workaround in github(not tested). You must to create an initializer with ActiveRecord::SessionStore::Session.attr_accessible :data, :session_id ...
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Get content uri from file path in android

...th the above solutions returns: 1. file:///storage/emulated/0/DCIM/Camera/VID_20140312_171146.mp4 2. /storage/emulated/0/DCIM/Camera/VID_20140312_171146.mp4 But what i was looking for is something different. I need the content:// format URI. The answer from Jinal seems to work perfect ...
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SQL Call Stored Procedure for each Row without using a cursor

...oes have its place.. -- Declare & init (2008 syntax) DECLARE @CustomerID INT = 0 -- Iterate over all customers WHILE (1 = 1) BEGIN -- Get next customerId SELECT TOP 1 @CustomerID = CustomerID FROM Sales.Customer WHERE CustomerID > @CustomerId ORDER BY CustomerID -- Exit lo...
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How can I get Maven to stop attempting to check for updates for artifacts from a certain group from

...king on a fairly big Maven project. We have probably around 70 or so individual artifacts, which are roughly split into two libraries of shared code and maybe ten applications which use them. All of these items live in the namespace com.mycompany.* . ...
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How to query SOLR for empty fields?

... Try this: ?q=-id:["" TO *] share | improve this answer | follow | ...
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How do I join two lines in vi?

...u join lines as is -- without adding or removing whitespaces: S<Switch_ID>_F<File type> _ID<ID number>_T<date+time>_O<Original File name>.DAT Result: S<Switch_ID>_F<File type>_ID<ID number>_T<date+time>_O<Original File name>.DAT With ...
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SSH Key - Still asking for password and passphrase

...SSH authentication and thought I set it up. Is the ssh-agent something outside of git I need to install? Thanks – HelloWorld Jan 13 '14 at 15:50 2 ...