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Oracle “(+)” Operator
..."adding NULL values if no match found". For example, "a.id=b.id(+)" means allow b.id to be NULL if there is no match with a.id.
– beach
Oct 26 '10 at 5:00
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Why do we need the “finally” clause in Python?
...ally clause is executed in any event. The TypeError raised by dividing two strings is not handled by the except clause and therefore re-raised after the finally clause has been executed.
In real world applications, the finally clause is useful for releasing external resources (such as files or netw...
What is the difference between an Azure Web Site and an Azure Web Role
... servers other users' sites. You can scale your site up and down (at some extra charge) to make it more elastic as your resource needs shift.
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Efficiency of premature return in a function
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@Philip what register addition? There is no extra instruction in the path at all.
– Marquis of Lorne
Oct 26 '11 at 1:15
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SQL, Postgres OIDs, What are they and why are they useful?
...efault. Performing a SELECT * will now include this column. Note that this extra “surprise” column may break naïvely written SQL code.
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How to determine the version of the C++ standard used by the compiler?
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By my knowledge there is no overall way to do this. If you look at the headers of cross platform/multiple compiler supporting libraries you'll always find a lot of defines that use compiler specific constructs to determine such things:
/*Define Microsoft V...
Annotating text on individual facet in ggplot2
...ag_pool[lay$PANEL], close), x = x, y = y)
p + geom_text(data = tags, aes_string(x = "x", y = "y", label = "label"), ..., hjust = hjust,
vjust = vjust, fontface = fontface, family = family, inherit.aes = FALSE)
}
Align top right & use Roman numerals
tag_facet(p, x = Inf,...
How to update a pull request from forked repo?
...kup that I applied manually. Not very convenient if there is more than one extra commit though...
– Nagev
Mar 29 '17 at 14:46
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Correct owner/group/permissions for Apache 2 site files/folders under Mac OS X?
...go-rwx DIR (nobody other than owner can access content)
chmod go+x DIR (to allow "users" including _www to "enter" the dir)
sudo chgrp -R _www ~/my/web/root (all web content is now group _www)
chmod -R go-rwx ~/my/web/root (nobody other than owner can access web content)
chmod -R g+rx ~/my/web/root...
Best way to combine two or more byte arrays in C#
...sion requires creating an array of the byte arrays first, which introduces extra inefficiency.
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