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- Dictionarycomposed/kəmˈpəʊzd/
adjective
- 1. having one's feelings and expression under control; calm: "a very talented and composed young player"
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A primary key consists of one or more columns (from that table). If a primary key consists of two or more columns it is called a composite primary key. It is defined as follows: CREATE TABLE voting (. QuestionID NUMERIC, MemberID NUMERIC, PRIMARY KEY (QuestionID, MemberID) ); The pair (QuestionID,MemberID) must then be unique for the table and ...
May 24, 2013 · It doesn't work because all the anonymous functions you create in the loop refer to the same loop variable and therefore share its final value.
May 28, 2019 · Despite the documentation declaring otherwise, attempting to set the connection name within a Job class can fail in Laravel with the error: [Job Class] and Illuminate\Bus\Queueable define the same
Jul 12, 2011 · 12. You can create an empty two dimensional list by nesting two or more square bracing or third bracket ([], separated by comma) with a square bracing, just like below: Matrix = [[], []] Now suppose you want to append 1 to Matrix[0][0] then you type: Matrix[0].append(1) Now, type Matrix and hit Enter.
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1. A member can be a property or a method, so I would assume so yes. Doctrine uses the DocBlock when looking at entity properties so I would assume that is overriden. The best thing to do would be to just try. Create an entity using traits, use Doctrine's schema tool to see what the SQL would be, then override with a different DocBlock and see ...
Oct 22, 2018 · I need a composed identifier for that resource. In the resource's class, I set for 3 properties the @ApiProperty (identifier=true): platform, platform version, and app version. But the generated method for getting the item has only one id. The path generated for it is /versionInfos/ {id}.
Feb 11, 2013 · Cannot define PRIMARY KEY constraint on nullable column in table 'Tasks'. I'm using code-first approach to create the tables and I've ensured that the column is not null, but it's still not working. Please help!
Aug 17, 2009 · Your compound PRIMARY KEY specification already does what you want. Omit the line that's giving you a syntax error, and omit the redundant CONSTRAINT (already implied), too: CREATE TABLE tags. (. question_id INTEGER NOT NULL, tag_id SERIAL NOT NULL, tag1 VARCHAR(20), tag2 VARCHAR(20),
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