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C++: variable 'std::ifstream ifs' has initializer but incomplete type
...
107
This seems to be answered - #include <fstream>.
The message means :-
incomplete type - ...
MySQL Select minimum/maximum among two (or more) given values
... use LEAST and GREATEST function to achieve it.
SELECT
GREATEST(A.date0, B.date0) AS date0,
LEAST(A.date1, B.date1) AS date1
FROM A, B
WHERE B.x = A.x
Both are described here http://dev.mysql.com/doc/refman/5.0/en/comparison-operators.html
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Mapping composite keys using EF code first
...ld need to do in your code:
public class MyTable
{
[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 ...
How to get all subsets of a set? (powerset)
..., you can just change the range statement to range(1, len(s)+1) to avoid a 0-length combination.
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How to make PyCharm always show line numbers
... BluesRockAddictBluesRockAddict
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PDO get the last ID inserted
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edited Feb 1 '17 at 8:06
Your Common Sense
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Hibernate: Automatically creating/updating the db tables based on entity classes
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104
I don't know if leaving hibernate off the front makes a difference.
The reference suggests it ...
UICollectionView inside a UITableViewCell — dynamic height?
... collectionView cells.
// https://developer.apple.com/videos/play/wwdc2014-226/
flow.estimatedItemSize = CGSizeMake(1, 1);
// Disable the scroll on your collection view
// to avoid running into multiple scroll issues.
[self.collectionView setScrollEnabled:NO];
}
- (void)bindWit...
How to calculate the number of days between two dates? [duplicate]
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const oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds
const firstDate = new Date(2008, 1, 12);
const secondDate = new Date(2008, 1, 22);
const diffDays = Math.round(Math.abs((firstDate - secondDate) / oneDay));
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How do I explicitly specify a Model's table-name mapping in Rails?
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ZabbaZabba
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