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Using LIMIT within GROUP BY to get N results per group?
...ote that if the rates had ties, for example:
100, 90, 90, 80, 80, 80, 70, 60, 50, 40, ...
The above query will return 6 rows:
100, 90, 90, 80, 80, 80
Change to HAVING COUNT(DISTINCT l.rate) < 5 to get 8 rows:
100, 90, 90, 80, 80, 80, 70, 60
Or change to ON t.id = l.id AND (t.rate < l....
Long-lasting FB access-token for server to pull FB page info
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This is covered in the Offline Access deprecation document
Use the 60-day token for the page admin to retrieve a Page Access Token (via /PAGE_ID?fields=access_token or /me/accounts) - the Page access token will not have an expiry time
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How is location accuracy measured in Android?
...acy in meters.
I would guess that this means if you get a return value of 60 you are somewhere in a circle with a 60 meter radius around the supplied position.
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How do I use NSTimer?
...2) self-scheduled timer
NSDate *d = [NSDate dateWithTimeIntervalSinceNow: 60.0];
NSTimer *t = [[NSTimer alloc] initWithFireDate: d
interval: 1
target: self
selector:@selector(onTick:)
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HTTP headers in Websockets client API
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kanakakanaka
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Calc of max, or max of calc in CSS
... Nathan Arthur
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answered Oct 13 '15 at 11:01
David MangoldDavid Mangold
457...
psycopg2: insert multiple rows with one query
...atements. Using this method, a 700 row insert to a remote server went from 60s to <2s.
– Nelson
Apr 27 '15 at 23:22
5
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Calculating the difference between two Java date instances
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560
Simple diff (without lib)
/**
* Get a diff between two dates
* @param date1 the oldest date
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How to convert boost path type to string?
...uh, how is it deprecated? Sry, cannot find any official note... see also 1.60 reference: boost.org/doc/libs/1_60_0/libs/filesystem/doc/…
– Marco Alka
Jan 6 '16 at 23:00
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Why “decimal” is not a valid attribute parameter type?
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djdd87djdd87
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