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using Dates: DateTime, issaturday, issunday, now, tonext, Hour, hour, Minute

isweekend(dt::DateTime) = issaturday(dt) || issunday(dt)

# Step from now on by 1 hour lapses until the next coffee time is found.
next_coffee_t = tonext(floor(now(),Hour), step=Hour(1)) do dt
   !isweekend(dt)  && # We do not work at the office on weekends.
   (hour(dt) == 13 || # After lunch, or
    hour(dt) == 17)   # in the evening.

zyth0s

# # One-liners

low, high = minmax(4,3)
low, high = extrema([1,3,5,7])

# double factorial
dfactorial(n::Int) = prod(n:-2:1)
# Non equivalent pairs
_pairs(n::Int)       = ((i,j) for i in 1:n for j in 1:(i-1)) # upper triangle without diagonal
_pairs_wself(n::Int) = ((i,j) for i in 1:n for j in 1:i)     # upper triangle with diagonal

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# Run Julia files from the REPL with the following syntax:                            
# > @run "../file.jl" <-- String (any rel/abs path) [si autocompletion]               
# > @run     file.jl  <-- Expr   (no ./ or ../ etc) [no autocompletion]               
# > @run     file     <-- Symbol (no ./ or ../ etc) [no autocompletion]               
macro run(filename)                                                                   
   if filename isa String                                                      
      include(filename)                                                               
   elseif filename isa Expr                                                    
      include(join([string(filename.args[1]),                                         
                    string(filename.args[2].value)],                                  

zyth0s

/**
 * @file   quickstart_dense.cc
 *
 * @section LICENSE
 *
 * The MIT License
 *
 * @copyright Copyright (c) 2018 TileDB, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy