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Removing duplicate rows from table in Oracle
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312
Use the rowid pseudocolumn.
DELETE FROM your_table
WHERE rowid not in
(SELECT MIN(rowid)
FROM ...
How to remove multiple indexes from a list at the same time? [duplicate]
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answered Jul 3 '12 at 1:08
Ned BatchelderNed Batchelder
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List comprehension: Returning two (or more) items for each item
...t;> list(chain.from_iterable((f(x), g(x)) for x in range(3)))
[2, 0, 3, 1, 4, 4]
Timings:
from timeit import timeit
f = lambda x: x + 2
g = lambda x: x ** 2
def fg(x):
yield f(x)
yield g(x)
print timeit(stmt='list(chain.from_iterable((f(x), g(x)) for x in range(3)))',
s...
Call a function with argument list in python
...into the rest of the parameters.
So you can do the following:
def wrapper1(func, *args): # with star
func(*args)
def wrapper2(func, args): # without star
func(*args)
def func2(x, y, z):
print x+y+z
wrapper1(func2, 1, 2, 3)
wrapper2(func2, [1, 2, 3])
In wrapper2, the list is passed...
How to get sp_executesql result into a variable?
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10 Answers
10
Active
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How to prevent ifelse() from turning Date objects into numeric objects
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137
You may use data.table::fifelse (data.table >= 1.12.3) or dplyr::if_else.
data.table::fife...
How can I auto increment the C# assembly version via our CI platform (Hudson)?
...crementing assembly version numbers and we frequently ship assemblies with 1.0.0.0 versions. Obviously, this causes a lot of headaches.
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How do I download a tarball from GitHub using cURL?
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148
Use the -L option to follow redirects:
curl -L https://github.com/pinard/Pymacs/tarball/v0.24...