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Naming convention for unique constraint
...een a unique constraint and a unique index is INCLUDE columns.
Edit: Feb 2013. Since SQL Server 2008, indexes can have filters too. Constraints can not
So, it comes down to one of
stick with UQ as per the rest of the SQL-using planet
use IK for unique indexes (IKC for clustered too) to be consi...
Summarizing multiple columns with dplyr? [duplicate]
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The dplyr package contains summarise_all for this aim:
library(dplyr)
df %>% group_by(grp) ...
How to add a custom button state
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The solution indicated by @(Ted Hopp) works, but needs a little correction: in the selector, t...
In Python, if I return inside a “with” block, will the file still close?
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Yes, it acts like the finally block after a try block, i.e. it always executes (unless the pyt...
Chrome: timeouts/interval suspended in background tabs?
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edited Apr 4 '18 at 20:59
GG.
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answered M...
MySQL get the date n days ago as a timestamp
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182
DATE_SUB will do part of it depending on what you want
mysql> SELECT DATE_SUB(NOW(), INTERVA...
What is the difference between SIGSTOP and SIGTSTP?
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edited Feb 25 '19 at 12:09
Ave
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answered Aug 9 '12...
Eclipse and Windows newlines
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edited Sep 24 '12 at 9:41
answered Dec 11 '09 at 12:01
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Twig ternary operator, Shorthand if-then-else
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{{ (ability.id in company_abilities) ? 'selected' : '' }}
The ternary operator is documented...
Can I tell the Chrome script debugger to ignore jquery.js?
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answered Sep 19 '13 at 8:26
Nirmal PatelNirmal Patel
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