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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...
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runOnUiThread in fragment

... | edited Apr 10 '18 at 17:36 answered May 7 '13 at 17:35 ...
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Show AlertDialog in any position of the screen

... +50 After searching in various post I have found the solution. The code is posted below: private CharSequence[] items = {"Set as Rington...
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How do I specify a single test in a file with nosetests?

... answered Jul 2 '12 at 0:58 WillWill 4,09711 gold badge1818 silver badges1919 bronze badges ...
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twitter bootstrap autocomplete dropdown / combobox with Knockoutjs

... | edited Oct 10 '17 at 7:53 Alex Polo 322 bronze badges answered Oct 16 '12 at 12:31 ...
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Assigning a variable NaN in python without numpy

... 170 Yes -- use math.nan. >>> from math import nan >>> print(nan) nan >>>...
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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) & ...
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How to use Elasticsearch with MongoDB?

...to index MongoDB for use in a NodeJS, Express app on a fresh EC2 Ubuntu 14.04 instance. Make sure everything is up to date. sudo apt-get update Install NodeJS. sudo apt-get install nodejs sudo apt-get install npm Install MongoDB - These steps are straight from MongoDB docs. Choose whatever ve...
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How to read keyboard-input?

... dopexxx 1,2071313 silver badges2020 bronze badges answered Mar 23 '11 at 10:53 sharpnersharpner ...
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How to Turn Off Showing Whitespace Characters in Visual Studio IDE

... answered Oct 31 '10 at 23:52 Mitch WheatMitch Wheat 274k3939 gold badges435435 silver badges516516 bronze badges ...