Andrew Frank sirmxanot
sirmxanot
/ index.html
Last active
August 29, 2015 14:21
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/> | |
| <link type="text/css" rel="stylesheet" href="style.css"/> | |
| <script type="text/javascript" src="js/d3.v3.min.js"></script> | |
| <script> | |
| (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ | |
| (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), | |
| m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) |
sirmxanot
/ gist:7a3620525ed8d4528d72
Last active
August 29, 2015 14:08
Rails: What is the best way to display an index with a specific list of records specified through an array of IDs?
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| **Background** | |
| I am trying to create links that redirect to an index page listing an arbitrary set of records. I believe that the best way to accomplish this is to pass an array of the IDs of the objects that I would like to be included to the index controller method. | |
| **Method** | |
| I have a working solution where I look for params[:ids] in my index method and if it exists, I find those records and display them. If that params[:ids] doesn't exists, I default to the default index behavior. | |
| **Problem** |
sirmxanot
/ gist:6847600
Last active
December 24, 2015 18:59
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| # Ruby Code | |
| def fun | |
| a = 1 | |
| add1(a) == 2 | |
| sub2(a) == -1 | |
| end | |
| def add1(num) | |
| num += 1 |
sirmxanot
/ gist:4157970
Created
November 27, 2012 23:36
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| sirmxanot@sirmxanot-CT15:~/Sites/hw2_rottenpotatoes$ rbenv local | |
| 1.9.2-p290 | |
| sirmxanot@sirmxanot-CT15:~/Sites/hw2_rottenpotatoes$ ber db:migrate --trace | |
| rake aborted! | |
| /var/lib/gems/1.9.1/gems/ruby-debug-base19-0.11.25/lib/ruby_debug.so: undefined symbol: ruby_threadptr_data_type - /var/lib/gems/1.9.1/gems/ruby-debug-base19-0.11.25/lib/ruby_debug.so | |
| /var/lib/gems/1.9.1/gems/ruby-debug-base19-0.11.25/lib/ruby-debug-base.rb:1:in `require' | |
| /var/lib/gems/1.9.1/gems/ruby-debug-base19-0.11.25/lib/ruby-debug-base.rb:1:in `<top (required)>' | |
| /var/lib/gems/1.9.1/gems/ruby-debug19-0.11.6/cli/ruby-debug.rb:5:in `require' | |
| /var/lib/gems/1.9.1/gems/ruby-debug19-0.11.6/cli/ruby-debug.rb:5:in `<top (required)>' | |
| /var/lib/gems/1.9.1/gems/bundler-1.2.2/lib/bundler/runtime.rb:68:in `require' |
sirmxanot
/ gist:4157874
Created
November 27, 2012 23:12
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| sirmxanot@sirmxanot-CT15:~/Sites/hw2_rottenpotatoes$ ber db:migrate --trace | |
| rake aborted! | |
| /var/lib/gems/1.9.1/gems/ruby-debug-base19-0.11.25/lib/ruby_debug.so: undefined symbol: ruby_current_thread - /var/lib/gems/1.9.1/gems/ruby-debug-base19-0.11.25/lib/ruby_debug.so | |
| /var/lib/gems/1.9.1/gems/ruby-debug-base19-0.11.25/lib/ruby-debug-base.rb:1:in `require' | |
| /var/lib/gems/1.9.1/gems/ruby-debug-base19-0.11.25/lib/ruby-debug-base.rb:1:in `<top (required)>' | |
| /var/lib/gems/1.9.1/gems/ruby-debug19-0.11.6/cli/ruby-debug.rb:5:in `require' | |
| /var/lib/gems/1.9.1/gems/ruby-debug19-0.11.6/cli/ruby-debug.rb:5:in `<top (required)>' | |
| /var/lib/gems/1.9.1/gems/bundler-1.2.2/lib/bundler/runtime.rb:68:in `require' | |
| /var/lib/gems/1.9.1/gems/bundler-1.2.2/lib/bundler/runtime.rb:68:in `block (2 levels) in require' | |
| /var/lib/gems/1.9.1/gems/bundler-1.2.2/lib/bundler/runtime.rb:66:in `each' |
sirmxanot
/ gist:4112293
Created
November 19, 2012 17:52
currency converter with symbols, singular, plural
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| class Numeric | |
| @@currencies = {'yen' => 0.013, 'euro' => 1.292, 'rupee' => 0.019} | |
| @@currencies['dollar']=1 | |
| def method_missing(method_id) | |
| singular_currency = method_id.to_s.gsub( /s$/, '') | |
| if @@currencies.has_key?(singular_currency) | |
| self * @@currencies[singular_currency] | |
| else | |
| super | |
| end |
sirmxanot
/ gist:4076682
Created
November 15, 2012 04:39
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| #this is preferable | |
| graph[vertex_delete].each do |edge| | |
| graph[edge].map! do |vertex| | |
| vertex == vertex_delete ? vertex_keep : vertex | |
| end | |
| end | |
| #to this? | |
| graph[vertex_delete].each {|edge| graph[edge].map! {|vertex| vertex == vertex_delete ? vertex_keep : vertex}} |
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| ArgumentError: comparison of Fixnum with nil failed | |
| from mergesort3.rb:34:in `<' | |
| from mergesort3.rb:34:in `block in merge' | |
| from mergesort3.rb:31:in `each' | |
| from mergesort3.rb:31:in `merge' | |
| from mergesort3.rb:17:in `merge_sort' | |
| from mergesort3.rb:14:in `merge_sort' | |
| from (irb):4 | |
| from /usr/bin/irb:12:in `<main>' |
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| def merge_sort(m) | |
| #base case | |
| if m.length <= 1 | |
| m | |
| #all other cases | |
| else | |
| #intialize variables | |
| left = Array.new | |
| right = Array.new | |
| middle = m.length/2 |
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| def merge_sort(m) | |
| #base case | |
| if m.length <= 1 | |
| return m | |
| else | |
| #intialize variables | |
| left = Array.new | |
| right = Array.new | |
| middle = m.length/2 |
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