David Albert davidbalbert
davidbalbert
/ maybe.rb
Created
December 22, 2013 21:41
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| require 'singleton' | |
| class NothingClass | |
| include Singleton | |
| def bind | |
| self | |
| end | |
| def map |
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| module CreatedAt | |
| module ClassMixin | |
| def new(*) | |
| obj = super | |
| obj.instance_variable_set(:@_created_at, Time.now) | |
| obj | |
| end | |
| end |
davidbalbert
/ cps-map.js
Created
December 11, 2013 21:43
Three implementations of `map` in continuation passing style.
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| (function () { | |
| "use strict"; | |
| var first = function (arr, c) { | |
| c(arr[0]); | |
| }; | |
| var rest = function (arr, c) { | |
| c(arr.slice(1)); | |
| }; |
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| source "https://rubygems.org" | |
| gem "sinatra" |
davidbalbert
/ gist:6815258
Last active
June 3, 2026 02:25
How to install custom SSL certificates on an ASUS RT-N66U running asuswrt-merlin
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| ########################################### | |
| # IMPORTANT NOTE: | |
| # | |
| # As of asuswrt-merlin 380.67 Beta, you | |
| # can now configure SSL certificates from | |
| # the Webui, making these instructions | |
| # unnecessary. | |
| ########################################### | |
davidbalbert
/ actual results (Homebrew go)
Last active
December 24, 2015 02:39
Homebrew `go tool` and `go doc` bug
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| $ brew install go | |
| ==> Downloading https://downloads.sf.net/project/machomebrew/Bottles/go-1.1.2.mountain_lion.bottle.tar.gz | |
| Already downloaded: /Library/Caches/Homebrew/go-1.1.2.mountain_lion.bottle.tar.gz | |
| ==> Pouring go-1.1.2.mountain_lion.bottle.tar.gz | |
| ==> Caveats | |
| <snip> | |
| ==> Summary | |
| /usr/local/Cellar/go/1.1.2: 3918 files, 110M | |
| $ echo $GOROOT | |
| /usr/local/Cellar/go/1.1.2 |
davidbalbert
/ conditional_hash.rb
Last active
December 21, 2015 02:38
Syntax idea: conditionals in hash literals
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| # If the conditionals evaluate to false, the key wouldn't be present in the hash | |
| Person.new( | |
| first_name: params[:first_name], | |
| last_name: params[:last_name], | |
| age: params[:age] if params[:age].to_i > 18, | |
| bio: params[:bio] unless params[:bio].blank?) | |
| # This would be equivalent to |
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| brew install qt # should already be done | |
| brew install qwt # should already be done | |
| brew install portaudio # should already be done | |
| brew install wget # makes some downloading easier | |
| # set up your virtualenv (`workon friture` if you've already created it) | |
| mkvirtualenv friture | |
| cd /tmp |
davidbalbert
/ put_this_in_your_repl.rb
Last active
December 17, 2015 20:19
Ruby should have more multimedia!
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| >> load 'string_sayer.rb' | |
| >> "Hello, world!" | |
| => "Hello, world!" |
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| GNU GENERAL PUBLIC LICENSE | |
| Version 3, 29 June 2007 | |
| Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> | |
| Everyone is permitted to copy and distribute verbatim copies | |
| of this license document, but changing it is not allowed. | |
| Preamble | |
| The GNU General Public License is a free, copyleft license for |