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How do I find the time difference between two datetime objects in python?

...; difference = later_time - first_time >>> seconds_in_day = 24 * 60 * 60 datetime.timedelta(0, 8, 562000) >>> divmod(difference.days * seconds_in_day + difference.seconds, 60) (0, 8) # 0 minutes, 8 seconds Subtracting the later time from the first time difference = later_tim...
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Specify pane percentage in tmuxinator project

...r use with select-layout. For example: $ tmux list-windows 0: ksh [159x48] layout: bb62,159x48,0,0{79x48,0,0,79x48,80,0} $ tmux select-layout bb62,159x48,0,0{79x48,0,0,79x48,80,0} tmux automatically adjusts the size of the layout for the current window size. Not...
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Fast way to get image dimensions (not filesize)

...re the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obviously reads the images as a whole first. ...
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How do I calculate percentiles with python/numpy?

...y too. import numpy as np a = np.array([1,2,3,4,5]) p = np.percentile(a, 50) # return 50th percentile, e.g median. print p 3.0 This ticket leads me to believe they won't be integrating percentile() into numpy anytime soon. ...
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css transform, jagged edges in chrome

...2/… ? – abernier Feb 11 '12 at 12:06 5 This works in Chrome, but it makes them jagged again in ...
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Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...Cleanup,所以我在Cleanup的最后执行MySetFileDate(DokanFileInfo, 0)来清空标志,而没有在CreateFile里清空标志。 7.MoveFile: 这个回调函数仅在移动虚拟磁盘里的文件到另一个虚拟磁盘目录中去时才触发,故实现在远程目录中同步移动文件后...
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How do I check to see if a value is an integer in MySQL?

...lar expression. Simply do select field from table where field REGEXP '^-?[0-9]+$'; this is reasonably fast. If your field is numeric, just test for ceil(field) = field instead. share | improve...
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Is “argv[0] = name-of-executable” an accepted standard or just a common convention?

When passing argument to main() in a C or C++ application, will argv[0] always be the name of the executable? Or is this just a common convention and not guaranteed to be true 100% of the time? ...
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How to get line count of a large file cheaply in Python?

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Where are my postgres *.conf files?

I have recently reinstalled postgresql 8.3 on my Ubuntu 8.04 after update. Used EnterpriseDB package. I can connect to the database locally, I see system DB postgres but I can't configure it because I can't find config files. Searched through entire hard drive and found only samples like pg_hba.con...