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mongo group query how to keep fields
...},
sex : { $first: '$sex' },
province : { $first: '$province' },
city : { $first: '$city' },
area : { $first: '$area' },
address : { $first: '$address' },
count : { $sum: 1 }
}
}
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How to iterate for loop in reverse order in swift?
... until I changed the first parameter of for loop to be the highest value. (iterated in descending order)
14 Answers
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Can I use Twitter Bootstrap and jQuery UI at the same time?
I am using Twitter Bootstrap and I want to use an "auto-suggest" which is not available in Bootstrap, whereas jQuery UI has its own methods for auto-suggest.
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How to pattern match using regular expression in Scala?
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edited Aug 10 '15 at 16:11
r0estir0bbe
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How to drop column with constraint?
...appear from other reasons - for example the user defined function or view with SCHEMABINDING option set for them.
UPD:
Completely automated dropping of constraints script:
DECLARE @sql NVARCHAR(MAX)
WHILE 1=1
BEGIN
SELECT TOP 1 @sql = N'alter table tbloffers drop constraint ['+dc.NAME+N']'
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Most efficient method to groupby on an array of objects
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edited Mar 26 at 21:11
answered Jan 20 '16 at 2:02
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Scala: List[Future] to Future[List] disregarding failed futures
I'm looking for a way to convert an arbitrary length list of Futures to a Future of List. I'm using Playframework, so ultimately, what I really want is a Future[Result] , but to make things simpler, let's just say Future[List[Int]] The normal way to do this would be to use Future.sequence(...) ...
Can (domain name) subdomains have an underscore “_” in it?
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Most answers given here are false. It is perfectly legal to have
an underscore in a domain name. Let me quote the standard, RFC
2181, section 11, "Name syntax":
The DNS itself places only one restriction on the particular labels
that can be used to ident...
Realistic usage of the C99 'restrict' keyword?
I was browsing through some documentation and questions/answers and saw it mentioned. I read a brief description, stating that it would be basically a promise from the programmer that the pointer won't be used to point somewhere else.
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How to write header row with csv.DictWriter?
Assume I have a csv.DictReader object and I want to write it out as a CSV file. How can I do this?
3 Answers
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