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How to find the lowest common ancestor of two nodes in any binary tree?
...ooking for the first element where the list differ, or the last element of one of the lists, whichever comes first.
This algorithm requires O(h) time where h is the height of the tree. In the worst case O(h) is equivalent to O(n), but if the tree is balanced, that is only O(log(n)). It also require...
What is your naming convention for stored procedures? [closed]
...pecially if there are a large amount of sprocs.
Regarding where more than one object is used, I find that most instances have a primary and secondary object, so the primary object is used in the normal instance, and the secondary is refered to in the process section, for example App_Product_AddAttr...
How to initialize an array in one step using Ruby?
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Plus one for the detailed answer, even though I prefer splat over to_a ([*'1'..'3']).
– Michael Kohl
Feb 5 '11 at 17:48
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Difference between array_push() and $array[] =
...'m pretty sure there is a function behind the alternate syntax its not the one mentioned above as I see the fallowing comment in the php documentation: "If you use array_push() to add one element to the array it's better to use $array[] = because in that way there is no overhead of calling a functio...
On duplicate key ignore? [duplicate]
... @Derrick would you consider changing the accepted answer to this one for future searchers? Would be better to have the safer solution as the accepted one for those referencing this very question.
– damianb
Mar 14 '13 at 20:02
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When to delete branches in Git?
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One of my reasons to wanting to delete branches is:We do a lot of changes in branches (actually, all changes) so eventually you get a long list when using the command 'git branch'. For the overview, I want to shorten that lis...
Multiple Models in a single django ModelForm?
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You can just show both forms in the template inside of one <form> html element. Then just process the forms separately in the view. You'll still be able to use form.save() and not have to process db loading and saving yourself.
In this case you shouldn't need it, but if yo...
One-liner to recursively list directories in Ruby?
What is the fastest, most optimized, one-liner way to get an array of the directories (excluding files) in Ruby?
9 Answer...
What is the difference between IEnumerator and IEnumerable? [duplicate]
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IEnumerable is an interface that defines one method GetEnumerator which returns an IEnumerator interface, this in turn allows readonly access to a collection. A collection that implements IEnumerable can be used with a foreach statement.
Definition
IEnumerable
p...
How to filter a dictionary according to an arbitrary condition function?
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@Datanovice I'm sure one could. One could also open a new question with sufficient detail to get a more useful answer ;)
– Thomas
May 2 '18 at 14:09
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