Nate Smith nwjsmith
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| #define TRY_ASSIGN(v, x) do { \ | |
| v = x; \ | |
| if (v == -1) { \ | |
| fprintf(stderr, # x ": %s\n", strerror(errno)); \ | |
| exit(EXIT_FAILURE); \ | |
| } \ | |
| } while (0) | |
| #define TRY(x) do { int unused; TRY_ASSIGN(unused, x); } while (0) |
nwjsmith
/ gist:210240
Created
October 14, 2009 17:37
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| alias ssh_gaul="export TERM=xterm && ssh [email protected]" |
nwjsmith
/ untitled.txt
Created
January 21, 2010 21:01
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| Fib(0 * 10): 0 | |
| Fib(1 * 10): 55 | |
| Fib(2 * 10): 6765 | |
| Fib(3 * 10): 832040 | |
| Fib(4 * 10): 102334155 | |
| Fib(5 * 10): 12586269025 | |
| Fib(6 * 10): 1548008755920 | |
| Fib(7 * 10): 190392490709135 | |
| Fib(8 * 10): 23416728348467685 | |
| Fib(9 * 10): 2880067194370816120 |
nwjsmith
/ untitled.c
Created
January 21, 2010 21:09
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| byte * fib(byte *prev, byte *curr, int n) | |
| { | |
| byte *next; | |
| // Fib(0) = 0 | |
| if (n == 0) { return prev; } | |
| next = sum(prev, curr); | |
| if (n > 2) { | |
| return fib(curr, next, n - 1); | |
| } else { | |
| return next; |
nwjsmith
/ gist:318522
Created
March 1, 2010 16:36
nwjsmith
/ gist:318526
Created
March 1, 2010 16:38
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| Run the following commands | |
| ========================== | |
| wget "http://kernel.org/pub/software/scm/git/git-1.7.0.1.tar.bz2" | |
| tar xvf git-1.7.0.1.tar.bz2 | |
| mkdir $HOME/local/ | |
| cd git-1.7.0.1 | |
| ./configure --prefix=$HOME/local/ | |
| make | |
| make install |
nwjsmith
/ gist:389410
Created
May 4, 2010 13:32
nwjsmith
/ gist:389415
Created
May 4, 2010 13:35
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| # Credit to Brandon Keepers | |
| # http://opensoul.org/2007/2/9/automatically-backing-up-your-remote-database-on-deploy | |
| require 'yaml' | |
| desc "Backup the remote production database" | |
| task :backup, :roles => :db, :only => { :primary => true } do | |
| filename = "#{application}.dump.#{Time.now.to_i}.sql.bz2" | |
| file = "/tmp/#{filename}" | |
| env = ENV['RAILS_ENV'] || 'development' | |
| on_rollback { delete file } |
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| " Use Vim settings, rather than Vi settings | |
| set nocompatible | |
| " Use The Pope's awesome pathogen.vim to load plugins | |
| call pathogen#runtime_append_all_bundles() | |
| " Automatically detect filetypes | |
| filetype on | |
| " Use syntax highlighting |
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| ruby-1.9.2-rc1 > f = Father.new | |
| => #<Father id: nil, name: nil, created_at: nil, updated_at: nil> | |
| ruby-1.9.2-rc1 > f.name = "Dave" | |
| => "Dave" | |
| ruby-1.9.2-rc1 > s = Son.new :name => "Nate" | |
| => #<Son id: nil, name: "Nate", father_id: nil, created_at: nil, updated_at: nil> | |
| ruby-1.9.2-rc1 > f.son | |
| f.son_ids f.sons f.sons= f.son_ids= | |
| ruby-1.9.2-rc1 > f.sons << s | |
| => [#<Son id: nil, name: "Nate", father_id: nil, created_at: nil, updated_at: nil>] |
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