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How to express a NOT IN query with ActiveRecord/Rails?

...rums, lambda { |forums| { :conditions => ['forum_id not in (?)', forums.select(&:id).join(',')] } # in your controller Topic.not_in_forums(@forums) share | improve this answer | ...
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Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_

...eck what collations each column in your table(s) has by using this query: SELECT col.name, col.collation_name FROM sys.columns col WHERE object_id = OBJECT_ID('YourTableName') Collations are needed and used when ordering and comparing strings. It's generally a good idea to have a sin...
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sqlalchemy: how to join several tables by one query?

...sn't do a join at all" - that's a little misleading. It will have sql like select x from a, b ,c which is a cross join. The filters then make it an inner join. – Aidan Kane Sep 12 '16 at 13:04 ...
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Making iTerm to translate 'meta-key' in the same way as in other OSes

... work. +ESC didn't work for me when I had the Japanese/Romaji input method selected, but it started to work once I switched the input language to U.S. – Dominic Cooney May 11 '09 at 6:42 ...
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Visual Studio 2013 Missing Convert To Web Application

... It's been moved to the 'Project' menu towards the bottom after selecting the project or folder: Sources: http://connect.microsoft.com/VisualStudio/feedback/details/806246/visual-studio-2013-web-forms-conver-to-web-applications ...
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“Conversion to Dalvik format failed with error 1” on external JAR

...n my case Android 1.5). click OK. Go to Project » Clean » Clean projects selected below » select your project and click OK. That should work. It is also possible that you have a JAR file located somewhere in your project folders (I had copied the Admob JAR file into my src folder) and THEN added...
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Apache Tomcat Not Showing in Eclipse Server Runtime Environments

... For version 2019-09, in drop down select: 2019-09 - download.eclipse.org/releases/2019-09 and install both: JST Server Adapters and JST Server Adapters extensions – Olivier Royo Nov 14 '19 at 8:07 ...
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SQL Server 2005 How Create a Unique Constraint?

... you want to do it from a Database Diagram: right-click on the table and select 'Indexes/Keys' click the Add button to add a new index enter the necessary info in the Properties on the right hand side: the columns you want (click the ellipsis button to select) set Is Unique to Yes give it an app...
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How can I clone an SQL Server database on the same server in SQL Server 2008 Express?

...is optional. Click to clone database and open restore dialog (see image) Select Device and add the backup file from step 3. Change destination to test database Change location of database files, it must be different from the original. You can type directly into text box, just add postfix. (NOTE:...
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error, string or binary data would be truncated when trying to insert

...ay cause it. In my case i was creating the table with a field like this: Select '' as Period, * From Transactions Into #NewTable Therefore the field "Period" had a length of Zero and causing the Insert operations to fail. I changed it to "XXXXXX" that is the length of the incoming data and it n...