iogakos

/*
 * Toggles character case
 *
 * e.g in: 'b' -> out: 'B'
 *     in: 'B' -> out: 'b'
 *     in: '5' -> out: '5'
 *
 * @param c ascii character to be toggled
 * @return toggled ascii character if alphabetical,
 *      otherwise intact value of c

iogakos

# ENV
# RUBY_HEAP_MIN_SLOTS=1000000
# RUBY_HEAP_SLOTS_INCREMENT=1000000
# RUBY_HEAP_SLOTS_GROWTH_FACTOR=1
# RUBY_GC_MALLOC_LIMIT=1000000000
# RUBY_HEAP_FREE_MIN=1000000

# str_gsub() using its regular form (regex, replacement)
[:before_string_build, 0]
[:after_string_build, 26420]

iogakos

GC::Profiler.enable

vm_before = File.read("/proc/#{$$}/status").match(/^VmSize:\s*(\d*)/)[1].to_i

def vm_used(vm_before)
  File.read("/proc/#{$$}/status").match(/^VmSize:\s*(\d*)/)[1].to_i - vm_before
end

# w/o block
def gsub_wo(s)

iogakos

GC::Profiler.enable

vm_before = File.read("/proc/#{$$}/status").match(/^VmSize:\s*(\d*)/)[1].to_i

def vm_used(vm_before)
  File.read("/proc/#{$$}/status").match(/^VmSize:\s*(\d*)/)[1].to_i - vm_before
end

# w block
def gsub_w(s)

iogakos

## Careful !!
# The following script requires ~40Mb of your virtual memory address space.

vm_before = File.read("/proc/#{$$}/status").match(/^VmSize:\s*(\d*)/)[1].to_i

def vm_used(vm_before)
  File.read("/proc/#{$$}/status").match(/^VmSize:\s*(\d*)/)[1].to_i - vm_before
end

# w block

iogakos

# Weighted Moving Average (WMA)
# http://en.wikipedia.org/wiki/Moving_average#Weighted_moving_average
#
# Given a hash, calculates the weighted moving averages of its values within
# a window size given. Modifies the original hash values.
#
# @param hash [Hash] the hash for whom values calculate the weighted moving
#   averages.
# @param maws [Fixnum] the Moving Average Window Size. The greatest this
#   number is the smoothest the calculated averages will be.

iogakos

#!/usr/bin/osascript
tell application "VLC"
  activate
  OpenURL "<stream_url_goes_here>"
  play
end tell

iogakos

def calculate_worklist(bishops)
  worklist = Array.new
  bishops.each { |b|
    worklist.unshift("#{b[0]}") && next if b[1] != [nil, nil]
    worklist << b[0]
  }
  worklist.combination(2).to_a
end

def pick_position(positions)

iogakos

%%
% Authors:
% - Ioannis Gakos, 3634
% - Alkis Livathinos, 3690
%%

% Place disk on a pole
%
:- dynamic disk_state/2.