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Advantages of Binary Search Trees over Hash Tables
...ee allows you to do range searches efficiently.
In order to illustrate my idea, I want to make an extreme case. Say you want to get all the elements whose keys are between 0 to 5000. And actually there is only one such element and 10000 other elements whose keys are not in the range. BST can do ran...
Search and replace a line in a file in Python
... For python3, print(line, end='')
– Ch.Idea
Jan 14 '16 at 11:50
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How to delete all rows from all tables in a SQL Server database?
...I want to choose the DB, something like: USE [MyDataBase]? Would the above idea work, if adapted somehow?... Because I don't wanna delete all the DBs kept by the SQL server.
– סטנלי גרונן
Nov 10 '16 at 9:45
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AsyncTask and error handling on Android
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Nice idea, just one question: why do you call super() in AsyncTaskResult when the class doesn't extend anything?
– donturner
Jul 15 '12 at 20:54
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Difference between EXISTS and IN in SQL?
...ntly, so I'm going to understand your question as: When would it be a good idea to rewrite the SQL to use IN instead of EXISTS, or vice versa.
Is that a fair assumption?
Edit: The reason I'm asking is that in many cases you can rewrite an SQL based on IN to use an EXISTS instead, and vice versa,...
How to get the difference between two arrays in JavaScript?
...'t figure out a satisfactory way to do it more succinctly. If you have any ideas on how to do that, I'd love to know!
– CervEd
Oct 24 '16 at 10:31
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XSLT equivalent for JSON [closed]
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Interesting idea. Some searching on Google produced a few pages of interest, including:
an outline of how such a "jsonT" tool might be implemented, and some downloads
some discussion of that implementation
a company which may have impl...
Is there a way to get a collection of all the Models in your Rails app?
...AILS_ROOT}/app/models") do |model_path|
# ...
end
EDIT: Another (wild) idea would be to use Ruby reflection to search for every classes that extends ActiveRecord::Base. Don't know how you can list all the classes though...
EDIT: Just for fun, I found a way to list all classes
Module.constants....
Should C# methods that *can* be static be static? [closed]
...tter to error on the side of ease of extension, rather than on the side of idealogical purity.
So, for big projects don't make things static unless you need them to be. For small projects, just do what ever you like best.
s...
How can building a heap be O(n) time complexity?
... node in order, so the complexity is O(n log n). You can prove (using some ideas from information theory) that for a comparison-based sort, O(n log n) is the best you could hope for anyway, so there's no reason to be disappointed by this or expect heap sort to achieve the O(n) time bound that buildH...