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Node.js client for a socket.io server
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answered May 22 '12 at 14:05
alessioalexalessioalex
55.8k1313 gold badges149149 silver badges118118 bronze badges
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Difference between Django's annotate and aggregate methods?
...gt; q = Book.objects.annotate(num_authors=Count('authors'))
>>> q[0].num_authors
2
>>> q[1].num_authors
1
q is the queryset of books, but each book has been annotated with the number of authors.
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MySQL: Insert record if not exists in table
...tnames (name, address, tele)
SELECT * FROM (SELECT 'Rupert', 'Somewhere', '022') AS tmp
WHERE NOT EXISTS (
SELECT name FROM table_listnames WHERE name = 'Rupert'
) LIMIT 1;
Query OK, 1 row affected (0.00 sec)
Records: 1 Duplicates: 0 Warnings: 0
SELECT * FROM `table_listnames`;
+----+------...
How to find the size of an array in postgresql
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Adam DingleAdam Dingle
1,54211 gold badge1010 silver badges99 bronze badges
10
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Django - limiting query results
I want to take the last 10 instances of a model and have this code:
5 Answers
5
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UITableViewCell subview disappears when cell is selected
...enting a color-chooser table view where the user can select amongst, say, 10 colors (depends on the product). The user can also select other options (like hard drive capacity, ...).
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Is ASCII code 7-bit or 8-bit?
...told me ASCII is 8-bit character coding scheme. But it is defined only for 0-127 codes which means it can be fit into 7-bits. So can't it be argued that ASCII bit is actually 7-bit code?
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Limit ggplot2 axes without removing data (outside limits): zoom
...y explains this on pp. 99; 133 of his ggplot2 book (1st edition), or pp. 160 - 161 if you have the second edition.
The issue is that, as you say, limits inside the scale or setting ylim() causes data to be thrown away, as they are constraining the data. For a true zoom (keep all the data), you nee...
Why can't I assign a *Struct to an *Interface?
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Nov 22 '12 at 11:31
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Get event listeners attached to node using addEventListener
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140
Chrome DevTools, Safari Inspector and Firebug support getEventListeners(node).
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