Talk:Spiral matrix: Difference between revisions
Deleted my post of a couple of days ago. On reflection it didn't add anything to the conversation.
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(Deleted my post of a couple of days ago. On reflection it didn't add anything to the conversation.) |
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== Python array initialisation edit problem ==
Hi Spoon, your edit to Spiral of substituting <python>array = [[None]*n]*n</python> for <python>array = [[None]*n for j in range(n)]</python> [[http://www.rosettacode.org/w/index.php?title=Spiral&curid=2967&diff=16906&oldid=16746 here]] doesn't work because of:
<lang python>>>> n=2
>>> a = [[None]*n]*n
>>> a
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>>> a
[[1, None], [1, None]]
>>></
You are referencing the inner list multiple times instead of creating new copies. --[[User:Paddy3118|Paddy3118]] 06:17, 14 August 2008 (UTC)
:Oh yeah, sorry. You're right. --[[User:Spoon!|Spoon!]] 18:58, 14 August 2008 (UTC)
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i came across this page during a search for a mechanism to implement the spiral matrix in VBA bt unfortunately it was not listed here. But afrterwards by translating the java code i manage to obtain the result. I beleive a lot f peopla have manage to do this but didnt come across anyone who has shared it
so here it goes....
:Howdy, and welcome to RC (if appropriate). Might I suggest creating an account?
:Having said that, code submissions really should go on [[Spiral matrix|the task's page]], and not its talk page. I've moved it for you: [[Spiral matrix#VBA]]. I made some changes so that it is more generalized; your use of <code>Init</code> (which I assume sets up certain starting conditions) doesn't help anyone without access to your code.
:(As a minor aside, I have to wonder at your use of cells way down in the 400+ range. For something like this, I'd think that just starting at A1 would be acceptable.)
:Not trying to be a jerk, just trying to help. -- [[User:Eriksiers|Erik Siers]] 18:28, 21 September 2010 (UTC)
==Really long line in C#==
It doesn't look like best coding practice to have that really long line. Wouldn't it be better with some newlines and spacing to better show its structure and cut the line length? --[[User:Paddy3118|Paddy3118]] ([[User talk:Paddy3118|talk]]) 06:58, 30 September 2015 (UTC)
: I wrapped it. Hopefully that makes it ok... --[[User:Rdm|Rdm]] ([[User talk:Rdm|talk]]) 12:28, 30 September 2015 (UTC)
:: It's a lot better, thanks. --[[User:Paddy3118|Paddy3118]] ([[User talk:Paddy3118|talk]]) 12:46, 30 September 2015 (UTC)
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