zh4ngx

  gg_replace() {
    if [[ "$#" == "0" ]]; then
      echo 'Usage:'
      echo '  gg_replace term replacement file_mask'
      echo
      echo 'Example:'
      echo '  gg_replace cappuchino cappuccino *.html'
      echo
    else
      find=$1; shift

zh4ngx

.river-pics
	= profile_image_for current_user
	%p #{current_user.first_name}, #{current_user.age}
	.blurb
		%p
#content
	%h1 Satisfied?
	%p Hover your mouse over your picture.
	%p This is how others will see you.

zh4ngx

$stack, $draws = [], {}

def method_missing *args
  return if args[0][/^to_/]
  $stack << args.map { |a| a or $stack.pop }
  $draws[$stack.pop(2)[0][0]] = args[1] if args[0] == :<
end

class Array
  def +@

zh4ngx

Log onto bad mongo primary
Use mongotop to find bad database
Run this to find long running queries
    db.currentOp()['inprog'].filter(function (t){return t.secs_running > 10}).map(function (t){return t.opid})
Kill bad ops with
    db.killOp(<opid>)

zh4ngx

def missing_number num_array:
	n = num_array.length + 1
	expected = n * (n + 1) / 2
	actual = num_array.reduce :+
	missing = expected - actual
	
	return missing
end

zh4ngx

def fizzbuzz(max):
  1.upto(max).each do |num|
    line = ''
    line << 'Fizz' if num % 3 == 0
    line << 'Buzz' if num % 5 == 0
    line = num if line.empty?
    p line
  end
end

zh4ngx

def tokenize_query_split query, punctuation
  punc_regex = /[#{punctuation}\s]+/
  
  tokens = query.split(punc_regex)
  
  tokens.each do |token|
    p token
  end
end

zh4ngx

## SUMMARY
# 	Use Hash($db) to maintain state
# 	Track # open transactions
# 	Memoize modified vars per transaction ($history)

# Be naught, use globals (not thread-safe)
$db = {}
$transactions = 0
$history = {}

zh4ngx

$stack = []

def solution(s)
	s.each_char do |c|
		case c
		when /[0-9]/
			$stack.push c
			puts c
		when '+'
			return -1 unless op_nums(lambda { |left, right| left + right })

zh4ngx

# Check nums for rows, columns and blocks  
def check(nums):
    num_dict = {}
    # assume nums is a list of integers
    # placeholder for empty is None
    for num in nums:
        if not num:
            continue
        if num in num_dict:
            return false