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await vs Task.Wait - Deadlock?
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edited Feb 13 at 11:40
David Ferenczy Rogožan
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Ignoring an already checked-in directory's contents?
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Gordon WilsonGordon Wilson
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Add column with number of days between dates in DataFrame pandas
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df['A'] = pd.to_datetime(df['A'])
df['B'] = pd.to_datetime(df['B'])
In [11]: df.dtypes # if already datetime64 you don't need to use to_datetime
Out[11]:
A datetime64[ns]
B datetime64[ns]
dtype: object
In [12]: df['A'] - df['B']
Out[12]:
one -58 days
two -26 days
dtype: timedelta64[ns...
What's the fastest way to read a text file line-by-line?
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This method is considerably slower, at least on big files (tested on a 511 KB file), probably due to how String.Split is implemented. It also allocates an array for all the lines increasing the memory required compared to your solution.
using (var streamReader = File.OpenText(fileName)) {
var ...
List tables in a PostgreSQL schema
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Randall
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answered Mar 26 '13 at 18:40
Clodoaldo NetoClodoald...
What is the use for Task.FromResult in C#
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edited Sep 11 '17 at 13:41
Himanshu
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How to run a command before a Bash script exits?
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devguydaviddevguydavid
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What is ApplicationException for in .NET?
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Community♦
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answered Apr 16 '11 at 10:36
FemarefFemaref
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Android get current Locale, not default
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devunwireddevunwired
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Eclipse Workspaces: What for and why?
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answered Dec 23 '14 at 20:47
Rafael EyngRafael Eyng
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