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Is there documentation for the Rails column types?
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– Grant Birchmeier
Aug 10 '12 at 13:45
Thanks :) And I completely agree, ActiveRecord and its datatypes are so importa...
Understanding dispatch_async
...n I call [self.tableView reloadData] in the Run UI Updates. It takes about 4 or 5 seconds. It's been driving me crazy for several days now.
– GrandSteph
Sep 16 '14 at 15:26
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What's Pros and Cons: putting javascript in head and putting just before the body close
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David JohnstoneDavid Johnstone
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PostgreSQL return result set as JSON array?
... an array.
SELECT json_agg(t) FROM t
There is no jsonb (introduced in 9.4) version of json_agg. You can either aggregate the rows into an array and then convert them:
SELECT to_jsonb(array_agg(t)) FROM t
or combine json_agg with a cast:
SELECT json_agg(t)::jsonb FROM t
My testing suggests t...
How to read keyboard-input?
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sharpnersharpner
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git switch branch without discarding local changes
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answered Feb 27 '14 at 23:08
torektorek
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Drawing Isometric game worlds
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edited Feb 21 '17 at 22:04
Jens A. Koch
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answe...
What is the maximum amount of RAM an app can use?
... Early devices had a per-app cap of 16MB; Later devices increased that to 24MB or 32MB
That's about right. Screen resolution is a significant determinant, as larger resolutions mean larger bitmaps, and so tablets and high-resolution phones will tend to have higher values yet. For example, you will...
How to save MailMessage object to disk as *.eml or *.msg file
...ed.
– Steven Rogers
Jul 7 '11 at 20:42
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Is there any way to change the file name of the output ...
How to retrieve form values from HTTPPOST, dictionary or?
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