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Can someone please explain for what reason we use .- in the regular expression and what is difference between '%[^0-9.-]%' and '%[^0-9]%'
%[^0-9.-]% will include period '.' and dash '-' characters, while %[^0-9]% will not
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I would like to remove the "Null" in my week Column. Any help? I tried screenshots provided
error
what i tried
I think you could try:
delete from [BKC_Menu_Analysis].[dbo].[FBBKCCompsWeekly] where week is NULL
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How do I use the CONCAT function on SQL.
That is pretty straightforward
SELECT CONCAT('hey', 'ho');
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Are there any examples of the code for the Column generation problem (cutting stock problem or any other problem) using google OR tools in C++?
Yes, as the name suggests, this does the job:
https://github.com/google/or-tools/blob/stable/examples/cpp/strawberry_fields_with_column_generation.cc
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Design a DFA to accept language L={w|w is of even length and begins with 11} where inputs are 0'a and 1's?
i think this DFA will work with even no of length and starting with 01 string.
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I'm using SQL Server DB and I would like to write query which will look for a fields with two or more slashes in it, lets say we have these rows:
1. abc/def/g
2. abcd/efg
3. a/b/c/d/e/f/g
So it should return 1st and 3rd row! What is the easiest way to do so?
Thanks in advance!