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Explain Morris inorder tree traversal without using stacks or recursion
...
This method can be used in places like converting a binary tree into linked list.
– cyber_raj
Aug 9 '16 at 19:03
...
Using Linq to group a list of objects into a new grouped list of list of objects
...ows you to iterate over the members of the group. As Lee mentions, you can convert each group to a list if you really want to, but if you're just going to iterate over them as per the code above, there's no real benefit in doing so.
...
Recommended date format for REST GET API
... timezone setting of user's device/browser.
Cons:
Extra processing for converting to UTC for storing in UTC format in the database.
Readability of input/output.
Readability of GET URLs.
Notes:
Timezones are a presentation-layer problem! Most of your code shouldn't be dealing with timezones o...
Why would adding a method add an ambiguous call, if it wouldn't be involved in the ambiguity
... object)
Candidate zero is obviously inapplicable because string is not convertible to string[]. That leaves three.
Of the three, we must determine a unique best method. We do so by making pairwise comparisons of the three remaining candidates. There are three such pairs. All of them have ident...
Output array to CSV in Ruby
...{ |csv, row| csv << CSV.generate_line(row) }.join(""))}
NOTE:
To convert an active record database to csv would be something like this I think
CSV.open(fn, 'w') do |csv|
csv << Model.column_names
Model.where(query).each do |m|
csv << m.attributes.values
end
end
H...
How to use sessions in an ASP.NET MVC 4 application?
... create a parent controller (BaseController) and define a protected field (internal protected HttpSessionStateBase SharedSession) that may expose the shared Session variable in all sub controllers(this assumes that all your app controllers inherit from the BaseController)
– Bel...
How to iterate over arguments in a Bash script
... "$@"
do
echo "$var"
done
This will iterate over each argument and print it out on a separate line. $@ behaves like $* except that when quoted the arguments are broken up properly if there are spaces in them:
sh test.sh 1 2 '3 4'
1
2
3 4
...
what's data-reactid attribute in html?
...loqi70ccu80.0' />
</span>
</div>
It needs to be able to convert that back into the data structure above. The way it does that is with the unique data-reactid attributes. This is called inflating the component tree.
You might also notice that if React renders at the client-side, i...
Javascript reduce on array of objects
...lue: Y): X { }
That means that the body of the reducer needs to be about converting currentValue and the current value of the accumulator to the value of the new accumulator.
This works in a straightforward way, when adding, because the accumulator and the element values both happen to be the sam...
NSObject +load and +initialize - What do they do?
I'm interested in understanding the circumstances leading a developer to override +initialize or +load. Documentation makes it clear these methods are called for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-)
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