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Check if one IEnumerable contains all elements of another IEnumerable
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Active
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Find difference between timestamps in seconds in PostgreSQL
I have a table in PostgreSQL 8.3 with 2 timestamp columns. I would like to get the difference between these timestamps in seconds. Could you please help me how to get this done?
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is of a type that is invalid for use as a key column in an index
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A unique constraint can't be over 8000 bytes per row and will only use the first 900 bytes even then so the safest maximum size for your keys would be:
create table [misc_info]
(
[id] INTEGER PRIMARY KEY IDENTITY NOT NULL,
[key] nvarchar(450) UNIQU...
Combine Date and Time columns using python pandas
...5 03-06-2013 01:00:00
6 03-06-2013 21:00:00
7 03-06-2013 22:00:00
8 03-06-2013 23:00:00
9 04-06-2013 01:00:00
dtype: object
In [12]: pd.to_datetime(df['Date'] + ' ' + df['Time'])
Out[12]:
0 2013-01-06 23:00:00
1 2013-02-06 01:00:00
2 2013-02-06 21:00:00
3 2013-02-06 22:00:00
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MySQL: Selecting multiple fields into multiple variables in a stored procedure
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edited Feb 8 '15 at 17:50
answered Mar 15 '10 at 22:52
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Nginx location priority
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edited May 18 at 21:09
Jens
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answer...
Scala: what is the best way to append an element to an Array?
...tefanobaghino
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answered Sep 21 '11 at 12:57
tenshitenshi
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What is difference between sjlj vs dwarf vs seh?
...Ls built with
Visual Studio. Dwarf-2 unwinding code in gcc inspects the x86
unwinding assembly and is unable to proceed without other dwarf-2
unwind information.
The SetJump LongJump method of exception handling works for most
cases on both win32 and win64, except for general protection...
Spring .properties file: get element as an Array
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189
If you define your array in properties file like:
base.module.elementToSearch=1,2,3,4,5,6
Yo...
How to ignore files which are in repository?
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189
If the file is still displayed in the status, even though it is in the .gitignore, make sure it...