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Postgresql query between date ranges
...example:
SELECT
user_id
FROM
user_logs
WHERE
login_date >= '2014-02-01'
AND login_date < '2014-03-01'
In this case you still need to calculate the start date of the month you need, but that should be straight forward in any number of ways.
The end date is also simplified; just...
What does flushing the buffer mean?
...
David HeffernanDavid Heffernan
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...
How to make an immutable object in Python?
..."b"])
It does not solve the problem that attributes can be accessed via [0] etc., but at least it's considerably shorter and provides the additional advantage of being compatible with pickle and copy.
namedtuple creates a type similar to what I described in this answer, i.e. derived from tuple an...
Updating MySQL primary key
...
answered Feb 26 '10 at 14:20
MartinMartin
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Get parts of a NSURL in objective-c
...assword@hostname)
the host name (here, digg.com)
the port (that would be :80 after the domain name for instance)
the path (here, /news/business/24hr)
the parameter string (anything that follows a semicolon)
the query string (that would be if you had GET parameters like ?foo=bar&baz=frob)
the fra...
Update git commit author date when amending
...CharlesB
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answered Feb 2 '12 at 10:07
Mark LongairMark Longair
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TypeError: 'dict_keys' object does not support indexing
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mgilsonmgilson
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23
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How to remove array element in mongodb?
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answered Jun 6 '13 at 10:25
Leonid BeschastnyLeonid Beschastny
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cancelling queued performSelector:afterDelay calls
...lector
[self performSelector:@selector(mySel:) withObject:nil afterDelay:5.0];
// cancel the above call (and any others on self)
[NSObject cancelPreviousPerformRequestsWithTarget:self];
See apple docs, it's right at the end of the performSelector:withObject:afterDelay: description.
...
What is a dependency property?
...
Matt
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answered Mar 6 '09 at 0:43
Matt HamiltonMatt ...