bgoldst

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bgoldst has asked 10 questions and find answers to 152 problems.

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bgoldst questions

Is it possible to pass command-line arguments to @ARGV when using the -n or -p options?
Is it possible to store invalid UTF-8 byte sequences in a postgres text column?
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

R Optimizing double for loop, matrix manipulation
Updating Matrix Using Data From Coerced Matrix
r - copy missing values from other variables
Very simple : as.Date error with August
Removing duplicate rows from data frame in R [duplicate]
Getting R Frequency counts for all possible answers
Using order(colSums()) in R
In R data.frame, promote rownames to actual column
split file with output file with numeric suffix but without begin zero
The following `from` values were not present in `x`