bgoldst

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bgoldst has asked 8 questions and find answers to 138 problems.

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bgoldst questions

When calling the exec*() family of functions, do the char* elements of argv all have to be unique?
Is it possible to conditionally disable a global function definition using template metaprogramming?
Is it possible to use the data.table index-join-assignment idiom to do a left join and assign NAs in the non-matching rows of i to x?
flock(): is it possible to merely check if the file is already locked, without actually acquiring the lock if not?
Can you assign a substring of a std::string to itself?

bgoldst answers

Resolving an ambiguous column in a subselect
How to sort a matrix/data.frame by all columns
Combine rows that have same value in a variable in R [duplicate]
How to reorder 1st dim of array in R (don't know total dims)
How to write an equation with a variable in legend?
Disallow input at certain times
Sum specific elements of a list
How to merge time frame data with leaving NA for non-overlapped parts?
Subsetting non-NA
How to make table column non-copyable? (HTML/CSS)