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/* Render Showoff presentation to png or pdf. | |
For PNG output: | |
* Install | |
- phantomjs | |
* Run | |
$> showoff serve & | |
$> phantomjs ./path/to/showoff2png.js | |
This will create one png image file per slide. | |
* For PDF output: |
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#!/usr/bin/env ruby | |
# git_reports.rb | |
# print git statistics of users' commits and added/deleted lines of code | |
# simply run "ruby git_reports.rb" in a git repository | |
puts "git log --numstat --no-merges" | |
# retrieve data | |
log = %x"git log --numstat --no-merges" |
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#!/usr/bin/env ruby | |
# coding: utf-8 | |
require 'benchmark' | |
@count = 2_000_000 | |
@lenght = 49 | |
@pre_compute_16 = Array.new((2**16)) { |f| f.to_s(2).count('1') } | |
Strategy = Struct.new(:name, :method, :before) |
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# <#Integer>.underscore(n) returns a string, seperating n digits by | |
# an underscore. n is 3 by default. This is supposed to make | |
# working with large numbers easier. | |
# example: | |
# 1000000000000000.underscore #=> "1_000_000_000_000_000" | |
# 100_00000_00_0000_00.underscore #=> "1_000_000_000_000_000" | |
# 987654321.underscore(6) #=> "987_654321" | |
class Integer | |
def underscore(s=3) | |
self.to_s.gsub(/(\d)(?=(\d\d\d)+(?!\d))/, "\\1_") |
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# Print each file in the current directory, including subdirectories with | |
# the full relative filename and its content, separated by 2 empty lines | |
# e.g.: | |
# ##### ./jasmine-coverage-javascript-coffeescript/Rakefile ##### | |
# env = ENV['RACK_ENV'] || ENV['RAILS_ENV'] || 'development' | |
# if env =~ /^(development|test)$/ | |
# import 'lib/tasks/jasmine_coverage.rake' | |
# end | |
# | |
# |
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require 'benchmark' | |
class Bunch | |
def self.mark(&block) | |
first = Bunch.realtime(&block) | |
vs = {:first => first} | |
class << vs | |
def vs(&block) |
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#!/usr/bin/env sh | |
# Rename all file in the current directory according to their file creation date | |
# For jpegs the file date will be set according to its EXIF data | |
# e.g. | |
# "20130628_014218.txt" not renamed | |
# "test.TXT" => "20130628_002938.txt" | |
# file extensions will be lower case | |
jhead -ft -dt -autorot -exonly -n%Y%m%d_%H%M%S *.[Jj][Pp][Gg] |
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module One | |
def a(*) | |
puts 'One...' | |
super | |
end | |
end | |
module Two | |
def a(*) | |
puts 'Two...' |
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#Lookup Tables, http://en.wikipedia.org/wiki/Lookup_table | |
#Memoization, http://en.wikipedia.org/wiki/Memoization | |
require 'benchmark' | |
########################################################### | |
# Fibonacci number, http://en.wikipedia.org/wiki/Fibonacci_number | |
def fib(n) | |
n < 2 ? 1 : fib(n-2) + fib(n-1) | |
end |
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#reduce PDF size | |
#-dPDFSETTINGS | |
# /screen | |
# /ebook | |
# /printer | |
# /prepress | |
gs -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/printer -sOutputFile=out.pdf in.pdf |
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