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PostgreSQL, checking date relative to “today”
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answered Oct 13 '10 at 22:37
Paul TomblinPaul Tomblin
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Deserializing JSON Object Array with Json.net
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edited Jan 30 '15 at 20:55
James Newton-King
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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...
MySQL: how to get the difference between two timestamps in seconds
...and the TIME_TO_SEC() functions as follows:
SELECT TIME_TO_SEC(TIMEDIFF('2010-08-20 12:01:00', '2010-08-20 12:00:00')) diff;
+------+
| diff |
+------+
| 60 |
+------+
1 row in set (0.00 sec)
You could also use the UNIX_TIMESTAMP() function as @Amber suggested in an other answer:
SELECT UNIX_T...
Show AlertDialog in any position of the screen
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+50
After searching in various post I have found the solution.
The code is posted below:
private CharSequence[] items = {"Set as Rington...
How do I specify a single test in a file with nosetests?
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answered Jul 2 '12 at 0:58
WillWill
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runOnUiThread in fragment
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edited Apr 10 '18 at 17:36
answered May 7 '13 at 17:35
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Assigning a variable NaN in python without numpy
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170
Yes -- use math.nan.
>>> from math import nan
>>> print(nan)
nan
>>>...
twitter bootstrap autocomplete dropdown / combobox with Knockoutjs
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edited Oct 10 '17 at 7:53
Alex Polo
322 bronze badges
answered Oct 16 '12 at 12:31
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how do you filter pandas dataframes by multiple columns
...sub-statements with ():
males = df[(df[Gender]=='Male') & (df[Year]==2014)]
To store your dataframes in a dict using a for loop:
from collections import defaultdict
dic={}
for g in ['male', 'female']:
dic[g]=defaultdict(dict)
for y in [2013, 2014]:
dic[g][y]=df[(df[Gender]==g) & ...