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Oracle: how to UPSERT (update or insert into a table?)
... t (mykey, mystuff)
values ('X', 123);
exception
when dup_val_on_index then
update t
set mystuff = 123
where mykey = 'X';
end;
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Face recognition Library [closed]
...documentation at:
http://docs.opencv.org/2.4/modules/contrib/doc/facerec/index.html
Original Post
I have released libfacerec, a modern face recognition library for the OpenCV C++ API (BSD license). libfacerec has no additional dependencies and implements the Eigenfaces method, Fisherfaces metho...
Validating with an XML schema in Python
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As for "pure python" solutions: the package index lists:
pyxsd, the description says it uses xml.etree.cElementTree, which is not "pure python" (but included in stdlib), but source code indicates that it falls back to xml.etree.ElementTree, so this would count as pur...
Make body have 100% of the browser height
...eight without taking the toolbar into account.
– int_index
Feb 4 '19 at 10:00
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What is memoization and how can I use it in Python?
..._key is obsolete since... early in the 2.x series, if not 2.0. self.cache(index) was never correct. IIRC)
– Jürgen A. Erhard
Jan 1 '10 at 15:46
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Script to get the HTTP status code of a list of urls?
...file) and parse it:
$ curl -I --stderr /dev/null http://www.google.co.uk/index.html | head -1 | cut -d' ' -f2
200
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How to open existing project in Eclipse
...ce" option under Import->General.
See:
http://help.eclipse.org/helios/index.jsp?topic=%2Forg.eclipse.platform.doc.user%2Ftasks%2Ftasks-importproject.htm
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Get the current URL with JavaScript?
...esource within the host that the Web client wants to access. For example, /index.html.
search: A query string follows the path component, and provides a string of information that the resource can utilize for some purpose (for example, as parameters for a search or as data to be processed).
hash: T...
SqlDataAdapter vs SqlDataReader
...te over it as many times as you need, or even look up a specific record by index
Has some built-in faculties for updating back to the database
At the cost of:
Much higher memory use
You wait until all the data is loaded before using any of it
So really it depends on what you're doing, but I tend ...
plot with custom text for x axis points
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@SirBenBenji: Use indexing (e.g. x[idx]) to select only the data you wish to display.
– unutbu
Aug 5 '14 at 14:49
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