Kevin Krauss earlonrails
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| function check_me(obj){ | |
| alert(obj.innerHTML); | |
| } |
earlonrails
/ rename.rb
Created
June 26, 2011 21:40
Ruby version of rename function in linux for use with mac osx. Rename files ex. rename .txt .bak *.txt
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| #!/usr/bin/ruby | |
| opts = [] | |
| args = [] | |
| ARGV.each do |a| | |
| if a =~ /^(-[a-zA-Z]+)/ | |
| opts << a | |
| else | |
| args << a | |
| end |
earlonrails
/ format_phone_nums.js
Created
July 28, 2011 17:40
Format Phone numbers to US format with javascript
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| function strToAni(str) { | |
| var regX = /(^[2-9]\d{0,2})\-?(\d{0,3})\-?(\d{0,4})$/; | |
| var matches = regX.exec(str); | |
| fstr = matches[1]; | |
| if (matches[2]){ | |
| fstr += "-" + matches[2]; | |
| } | |
| if (matches[3]){ | |
| fstr += "-" + matches[3]; | |
| } |
earlonrails
/ img_controller.rb
Created
July 29, 2011 02:51
send a jpeg file over https using ruby. Also including rails controller receiving method.
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| def receive_images_contr_method | |
| image_path = "tmp/my_img#{params[:id_my_img]}.jpg" | |
| content_length = request.content_length | |
| my_read = request.body.read(content_length) | |
| my_base64 = Base64.decode64(my_read) | |
| image = open(image_path, "w") | |
| image.write(my_base64) | |
| image.close | |
| end |
earlonrails
/ console_usage.rb
Created
September 9, 2011 21:27
Dynamic Fields using mongoid. Use Mongoid to store a random size hash.
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| hsh = {}; (0..rand(5)).each { |idx| hsh["val#{idx}"] = [rand(5),rand(5),(idx % 2 == 0) ? hsh.clone: rand(5)] * (rand(2)+1) }; hsh | |
| my_taco = TacoHash.new | |
| my_taco.write_attributes(hsh) | |
| my_taco.save | |
| my_new_taco = TacoHash.last | |
| #<TacoHash _id: 4e6a5a031a2c840d83000002, val0: [2, 0, {}, 2, 0, {}], val1: [2, 1, 2], val2: [1, 4, {"val0"=>[2, 0, {}, 2, 0, {}], "val1"=>[2, 1, 2]}], val3: [1, 1, 1, 1, 1, 1], val4: [4, 2, {"val0"=>[2, 0, {}, 2, 0, {}], "val1"=>[2, 1, 2], "val2"=>[1, 4, {"val0"=>[2, 0, {}, 2, 0, {}], "val1"=>[2, 1, 2]}], "val3"=>[1, 1, 1, 1, 1, 1]}, 4, 2, {"val0"=>[2, 0, {}, 2, 0, {}], "val1"=>[2, 1, 2], "val2"=>[1, 4, {"val0"=>[2, 0, {}, 2, 0, {}], "val1"=>[2, 1, 2]}], "val3"=>[1, 1, 1, 1, 1, 1]}]> | |
| my_new_taco.val0 |
earlonrails
/ check_http.rb
Created
September 16, 2011 20:10
Check http or https connections with ruby using Net::HTTP or Net::HTTPS
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| require 'uri' | |
| require 'net/http' | |
| require 'net/https' | |
| opts = ARGV.collect{|a| a if a =~ /^(-[a-zA-Z]+)/}.compact | |
| url = ARGV - opts | |
| use_https = lambda{|http| http.use_ssl = true | |
| http.verify_mode = OpenSSL::SSL::VERIFY_NONE} | |
| requester = lambda{|http, uri| http.request(Net::HTTP::Get.new(uri.request_uri))} | |
| if url.size > 1 | |
| puts "Multiple Urls not Supported" |
earlonrails
/ config_initializers_mongoid.rb
Created
October 5, 2011 17:13
Use a replicaSet with Ruby Ree, Rails 2.3.4, Mongoid 1.9.2 and Mongo 1.0.9. Mongoid.database= Errors needs admin, so connect to admin then swap db after 2 seconds.
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| require 'mongoid' | |
| # MongoDB ENV vars | |
| File.open(File.join(RAILS_ROOT, 'config/mongodb.yml'), 'r') do |f| | |
| @settings = YAML.load(f)[RAILS_ENV] | |
| end | |
| port = @settings["port"].nil? ? Mongo::Connection::DEFAULT_PORT : @settings["port"] | |
| host_arr = @settings["host"] | |
| connect = Mongo::Connection.multi([[host_arr[0], 27017], [host_arr[1], 27017], [host_arr[2], 27017]], :read_secondary => true) | |
| db = connect.db(@settings["database"]) |
earlonrails
/ mp3_visualizer.rb
Created
October 7, 2011 23:52
Use icanhasaudio gem to decode mp3 and find the points of the sound wave to plot on a graph
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| #!/usr/local/bin/ruby | |
| require 'stringio' | |
| require 'rubygems' | |
| require 'icanhasaudio' | |
| reader = ::Audio::MPEG::Decoder.new | |
| str_io = StringIO.new | |
| input = File.open(ARGV[0], "rb") | |
| plot_points = [] | |
| buf = reader.send(:skip_id3_header, input) |
earlonrails
/ fizzbuzz.rb
Created
October 21, 2011 01:37
FIZZ BUZZ! This is to make sure that no one (myself mainly) has to figure out the fizz buzz problem anymore!
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| (1..100).each do |x| | |
| case | |
| when 0 == ((x%3)+(x%5)) | |
| puts "fizz buzz" | |
| when 0 == (x%3) | |
| puts "fizz" | |
| when 0 == (x%5) | |
| puts "buzz" | |
| else | |
| puts x |
earlonrails
/ swap_a_n_b.rb
Created
October 21, 2011 21:01
swap a and b without global variables and only 2 local vars
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| def swap(a,b) | |
| a = a + b | |
| b = a - b | |
| a = a - b | |
| return {:a => a, :b => b} | |
| end |
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