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2015 Jan 23
2
[LLVMdev] Using cl::ZeroOrMore more pervasively with the cl::opt class
All,
Is there any particular reason we don't use cl::ZeroOrMore more
pervasively with the cl::opt class of command-line options?
1. Some of llvm's optimizations are enabled/disabled by llvm command-line
options. Passing these options to our build system via CFF and CXXF
result in redundant CL options. If the CL option is a cl::opt which
defaults to cl::Optional, a warning is emitted.
2012 Feb 26
6
loop for a large database
Yes, I am a newbie.
I have a data.frame (MyTable) of 1445846 rows and 15 columns with
character data.
And a character vector (MyVector) of 473491 elements.
I want simply to get a data.frame with the count of how many times each
element of MyVector appears in MyTable.
I've tried a loop with : for (i in 1 : length (myvector)) sum (MyTable== i)
but it crashes my computer.
I've also