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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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May 13, 2022 · 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: QuestionID NUMERIC, MemberID NUMERIC, PRIMARY KEY (QuestionID, MemberID) The pair (QuestionID,MemberID) must then be unique for the table and neither value can be NULL.
Feb 14, 2022 · If a trait defines a property then a class can not define a property with the same name unless it is compatible (same visibility and initial value), otherwise a fatal error is issued.
Unfortunately, this won't help with static properties. In one instance, I had to define a custom method __include() to change the static trait properties, and call it inside the autoloader when the class was accessed.
May 24, 2013 · The easiest approach would be first to write a composition of 2 functions: def compose2(f, g): return lambda *a, **kw: f(g(*a, **kw)) And then use reduce to compose more functions: import functools def compose(*fs): return functools.reduce(compose2, fs) Or you can use some library, which already contains compose function.
Jul 12, 2011 · I want to define a two-dimensional array without an initialized length like this: Matrix = [][] But this gives an error: IndexError: list index out of range
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}.
Aug 16, 2023 · What is the syntax for specifying a primary key on more than 1 column in SQLite ?
Here's what you would need to do in your code: [Key, Column(Order = 0)] public string SomeId { get; set; } [Key, Column(Order = 1)] public int OtherId { get; set; } You can also look at this SO question. If you want official documentation, I would recommend looking at the official EF website.
I want to have versions from the same data entry. In other words, I want to duplicate the entry with another version number. id - Version will be the primary key. How should the entity look like...
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.
