gurunars

def confirm():
    """
    Ask user to enter Y or N (case-insensitive).

    :return: True if the answer is Y.
    :rtype: bool
    """
    answer = ""
    while answer not in ["y", "n"]:
        answer = raw_input("OK to push to continue [Y/N]? ").lower()

redpony

// set use_cholesky if M is symmetric - it's faster and more stable
// for dep paring it won't be
template <typename MatrixType>
inline typename MatrixType::Scalar logdet(const MatrixType& M, bool use_cholesky = false) {
  using namespace Eigen;
  using std::log;
  typedef typename MatrixType::Scalar Scalar;
  Scalar ld = 0;
  if (use_cholesky) {
    LLT<Matrix<Scalar,Dynamic,Dynamic>> chol(M);

tajmorton

bigcorPar <- function(x, nblocks = 10, verbose = TRUE, ncore="all", ...){
  library(ff, quietly = TRUE)
  require(doMC)
	if(ncore=="all"){
		ncore = multicore:::detectCores()
		registerDoMC(cores = ncore)
	} else{
		registerDoMC(cores = ncore)
	}