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Using Linq to get the last N elements of a collection?
Given a collection, is there a way to get the last N elements of that collection? If there isn't a method in the framework, what would be the best way to write an extension method to do this?
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python pandas remove duplicate columns
What is the easiest way to remove duplicate columns from a dataframe?
9 Answers
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The default for KeyValuePair
I have an object of the type IEnumerable<KeyValuePair<T,U>> keyValueList , I am using
7 Answers
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Why can't I use float value as a template parameter?
When I try to use float as a template parameter, the compiler cries for this code, while int works fine.
11 Answers
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How can I convert tabs to spaces in every file of a directory?
How can I convert tabs to spaces in every file of a directory (possibly recursively)?
19 Answers
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How to compare objects by multiple fields
Assume you have some objects which have several fields they can be compared by:
22 Answers
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Monad in plain English? (For the OOP programmer with no FP background)
In terms that an OOP programmer would understand (without any functional programming background), what is a monad?
19 Answe...
Convert Linq Query Result to Dictionary
I want to add some rows to a database using Linq to SQL, but I want to make a "custom check" before adding the rows to know if I must add, replace or ignore the incomming rows.
I'd like to keep the trafic between the client and the DB server as low as possible and minimize the number of queries.
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Start thread with member function
I am trying to construct a std::thread with a member function that takes no arguments and returns void . I can't figure out any syntax that works - the compiler complains no matter what. What is the correct way to implement spawn() so that it returns a std::thread that executes test() ?
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Surrogate vs. natural/business keys [closed]
Here we go again, the old argument still arises...
19 Answers
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