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How do I get the time difference between two DateTime objects using C#?

... will give you the positive difference between the times regardless of the order. If you have just got the time component but the times could be split by midnight then you need to add 24 hours to the span to get the actual difference: TimeSpan diff = dateTime1 - dateTime2; if (diff < 0) { d...
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System.MissingMethodException: Method not found?

...e you have a library that depends on a library, that depends on a library, etc. Then make sure to Clean/Rebuild all of the dependent libraries with the same version of whichever dll, NHibernate in my case... – Serj Sagan Sep 19 '13 at 20:47 ...
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Cast int to varchar

...ldn't rely on the MySQL engine to be that smart (no offense to MySQL). In order to be sure you get the proper length, I would always explicitly provide one. – Taryn♦ Jun 4 '14 at 12:49 ...
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Identifying and removing null characters in UNIX

... This is an order of magnitude faster than tr for me – diachedelic Oct 30 '17 at 4:06 ...
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Large, persistent DataFrame in pandas

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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How to get the system uptime in Windows? [closed]

...xe utility. Run the uptime.exe utility. You can add a /? to the command in order to get more options. It does not offer many command line parameters: C:\uptimefromcodeplex\> uptime /? usage: Uptime [-V] -V display version C:\uptimefromcodeplex\> uptime -V version 1.1.0 3.1: By us...
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Get selected element's outer HTML

... @Derek, that wouldn't matter. I'm using DIV as a wrapper in order to get something inside it. – Volomike Mar 13 '12 at 22:13 11 ...
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Open URL in same window and in same tab

... In order to ensure that the link is opened in the same tab, you should use window.location.replace() See the example below: window.location.replace("http://www.w3schools.com"); Source: http://www.w3schools.com/jsref/met_lo...
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Appending the same string to a list of strings in Python

... 0 prepended to each word, followed by the n-1 bit code in reverse order, with 1 prepended to each word. ''' def graycode(n): if n==1: return ['0','1'] else: nbit=map(lambda x:'0'+x,graycode(n-1))+map(lambda x:'1'+x,graycode(n-1)[::-1]) ...
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Add x and y labels to a pandas plot

... Also note, you have to call plt.xlabel() etc. after df.plot(), not before, because otherwise you get two plots - the calls will modify a "previous" plot. Same thing goes for plt.title(). – Tomasz Gandor Apr 2 at 17:00 ...