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Python loop that also accesses previous and next values
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edited Apr 27 '16 at 13:32
Trang Oul
12966 bronze badges
answered Jun 18 '09 at 10:28
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How do I get the number of elements in a list?
...both built-in types and library types. For example:
>>> len([1,2,3])
3
Official 2.x documentation is here: len()
Official 3.x documentation is here: len()
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Why is pow(a, d, n) so much faster than a**d % n?
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edited Jan 3 '13 at 6:08
answered Jan 3 '13 at 6:03
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TypeError: got multiple values for argument
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232
This happens when a keyword argument is specified that overwrites a positional argument. For ex...
Select statement to find duplicates on certain fields
... which there are multiple records, you can use..
select field1,field2,field3, count(*)
from table_name
group by field1,field2,field3
having count(*) > 1
Check this link for more information on how to delete the rows.
http://support.microsoft.com/kb/139444
There should be a criterion for de...
How to debug stream().map(…) with lambda expressions?
... elements of the stream:
List<Integer> naturals = Arrays.asList(1,2,3,4,5,6,7,8,9,10,11,12,13);
naturals.stream()
.map(n -> n * 2)
.peek(System.out::println)
.collect(Collectors.toList());
UPDATE:
I think you're getting confused because map is an intermediate operation - in ...
Combining two Series into a DataFrame in pandas
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435
I think concat is a nice way to do this. If they are present it uses the name attributes of the...
How to get values from IGrouping
... codidact.com
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answered Dec 15 '11 at 13:56
Matt SmithMatt Smith
15.4k66 go...
How to write the Fibonacci Sequence?
... two numbers of the
sequence itself, yielding the sequence
0, 1, 1, 2, 3, 5, 8, etc.
If your language supports iterators you may do something like:
def F():
a,b = 0,1
while True:
yield a
a, b = b, a + b
Display startNumber to endNumber only from Fib sequence.
Once y...