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$ ruby -ane 'BEGIN{$t=[0]*24};$t[$F[3].to_i]+=1 if /^[A-Z]/;END{a=$t.inject{|a,b|a+b};$t.each_with_index{|n,h|printf "%02d:%4d %2.1f\n", h, n, n.to_f/a*100}}' ChangeLog
00: 183 7.2
01: 139 5.5
02:  85 3.3
03:  49 1.9
04:  38 1.5
05:  26 1.0
06:  34 1.3
07:  39 1.5
08:  65 2.6
09:  69 2.7
10: 105 4.1
11: 136 5.3
12: 117 4.6
13: 123 4.8
14: 137 5.4
15: 133 5.2
16: 133 5.2
17: 148 5.8
18: 135 5.3
19: 102 4.0
20:  97 3.8
21:  98 3.8
22: 152 6.0
23: 205 8.0
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A Strolling Programmer
http://www.rubyist.net/~nobu/t/
Event thread: mouseout
Error:
name: ReferenceError
message: Statement on line 1: Reference to undefined variable: popdown
Backtrace:
  Line 1 of  script 
    popdown(document.getElementById("popup-10"));
  At unknown location
    [statement source code not available]
				
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