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Rails - How to use a Helper Inside a Controller

...however. – Catfish Jan 16 '16 at 17:01 37 ...
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Centering a background image, using CSS

... | edited Jan 16 at 14:01 Ry-♦ 192k4444 gold badges392392 silver badges403403 bronze badges answere...
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Converting a UNIX Timestamp to Formatted Date String

...timestamp = time() ] ) Use date('c',time()) as format to convert to ISO 8601 date (added in PHP 5) - 2012-04-06T12:45:47+05:30 use date("Y-m-d\TH:i:s\Z",1333699439) to get 2012-04-06T13:33:59Z Here are some of the formats date function supports <?php $today = date("F j, Y, g:i a"); ...
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Using LIMIT within GROUP BY to get N results per group?

... | ----------------------------------------------------------- | p01 | 2006,2003,2008,2001,2007,2009,2002,2004,2005,2000 | | p02 | 2001,2004,2002,2003,2000,2006,2007 | ----------------------------------------------------------- And then you could use FIND_IN_SET, that retur...
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Pandas aggregate count distinct

... How about either of: >>> df date duration user_id 0 2013-04-01 30 0001 1 2013-04-01 15 0001 2 2013-04-01 20 0002 3 2013-04-02 15 0002 4 2013-04-02 30 0002 >>> df.groupby("date").agg({"duration": np.sum, "user_id": p...
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Reverse of JSON.stringify?

... answered Jun 23 '12 at 18:01 Chase FlorellChase Florell 41.6k5555 gold badges169169 silver badges355355 bronze badges ...
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Return number of rows affected by UPDATE statements

...LUES('2009 JUL 13','2009 JUL 13') UPDATE test_table SET StartTime = '2011 JUL 01' OUTPUT INSERTED.* -- INSERTED reflect the value after the UPDATE, INSERT, or MERGE statement is completed WHERE StartTime > '2009 JUL 09' Results in the following being returned LockId StartTime...
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How do you detect Credit card type based on number?

...rd: ^5[1-5][0-9]{5,}|222[1-9][0-9]{3,}|22[3-9][0-9]{4,}|2[3-6][0-9]{5,}|27[01][0-9]{4,}|2720[0-9]{3,}$ Before 2016, MasterCard numbers start with the numbers 51 through 55, but this will only detect MasterCard credit cards; there are other cards issued using the MasterCard system that do not fall in...
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How to get a vertical geom_vline to an x-axis of class date?

...ries from and would like to draw a vertical line for years 1998, 2005 and 2010 for example. I tried with ggplot and qplot syntax, but still I either see no vertical line at all or the vertical line is drawn at the very first vertical grid and the whole series is shifted somewhat strangely to the...
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How to convert TimeStamp to Date in Java?

... How to get this formatted to 14.03.2014 for example? – shurrok Jul 12 '17 at 11:47 6 ...