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New data.table column returns nth largest value in a row

My data looks similar to this:I would like to add a new column rank_match that finds the nth (taken from the rank column) largest value in the row from columns named 1 to 6. For instance, the first line would look for the 3rd largest value in the row from...

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std::mt19937 fails when std::uint_fast32_t is 4 bytes in GCC

The problem I have encountered occurs when I'm trying to test the cppreference example on generating pseudo-random numbers. Given the example:

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Is it legal to static_cast a string_view to a string

My question is motivated by this answer on stackoverflow, https://stackoverflow.com/a/48082010/5360439. To quote,

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How does F# know that bitArray elements are bool while enumerating in seq builder?

bit is of bool type. I checked with ILSpy and there's an explicit cast added in one of closures generated.

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Using malloc is giving me more memory than expected?

I'm trying to get to grips with malloc, and so far I'm mostly getting unexpected results when testing and playing around with it.

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How do I ignore negative numbers when finding the minimum in a group of tuples?

I have a dictionary:And I want to find which one is the minimum of all the values in the dictionary. However, on the last key (k) there is a -1.

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How can I force a throw to be a statement and not an expression (in a lambda expression)?

Starting from C# 7.0 the throw keyword can be used both as an expression and as a statement, which is nice. Though, consider these overloads

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Allowing template parameter to be only certain types and deciding action based on it

Let say i have two classes MyClass_one , MyClass_twoAnd i have function that accept only them as first parameter

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How to keep dropping the first value, until the sum of the vector is less than 20?

I am looking for a function which takes a vector and keeps dropping the first value until the sum of the vector is less than 20. Return the remaining values.

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