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Bash script processing limited number of commands in parallel
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Augustin
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answered Oct 23 '13 at 13:35
devnulldevnull
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How can I use Server.MapPath() from global.asax?
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– John Bubriski♦
Jun 1 '09 at 18:16
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CSS vertical alignment text inside li
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Mark Garcia
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answered Dec 20 '11 at 15:34
Asaf ChertkoffAsaf...
Bogus foreign key constraint fail
...T FOREIGN KEY ERROR"
– Sand1512
Sep 16 '16 at 14:07
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“used as value” in function call
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MaciejMaciej
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T-SQL stored procedure that accepts multiple Id values
...skog has maintained the authoritative answer to this question for the last 16 years: Arrays and Lists in SQL Server.
There are at least a dozen ways to pass an array or list to a query; each has their own unique pros and cons.
Table-Valued Parameters. SQL Server 2008 and higher only, and probabl...
How often does python flush to a file?
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Bill the Lizard
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answered Jul 2 '10 at 16:37
KLee1KLee1
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
... return A1, A2
%timeit df['A1'], df['A2'] = power(df['a'])
72.7 ms ± 2.16 ms per loop (mean ± std. dev. of 7 runs, 10 loops each)
Directly assigning without apply
You can get even greater speed improvements if you use the direct vectorized operations.
%timeit df['A1'], df['A2'] = df['a'] ...
How to check whether a file or directory exists?
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answered Nov 16 '16 at 4:20
Edward WagnerEdward Wagner
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How to manually trigger validation with jQuery validate?
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This validates the entire form... to validate only 1 field, the correct way is this: stackoverflow.com/a/12195091/114029
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