== Javascript
~ » node
> console.log([1,2,3].map(function(n){n*2}))
[ undefined, undefined, undefined ]
> console.log([1,2,3].map(function(n){return n*2}))
[ 2, 4, 6 ]
== Ruby
kaichen
/ gist:623632
Created
October 13, 2010 07:25
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Math.floor(0.03 * 100) * 0.1 | |
| //>>> 0.30000000000000004 | |
| Math.floor(0.03 * 100) / 10 | |
| //>>> 0.3 |
kaichen
/ parse_nested_querystring.coffee
Created
February 5, 2011 08:11
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/usr/bin/env coffee | |
| queryString = require('querystring') | |
| util = require("util") | |
| parser = module.exports = (qs, sep, eq) -> | |
| sep = sep || '&' | |
| eq = eq || '=' | |
| params = {} |
kaichen
/ ruby-1.9-tips.rb
Created
February 7, 2011 06:20
— forked from igrigorik/ruby-1.9-tips.rb
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| def tip(msg); puts; puts msg; puts "-"*100; end | |
| # | |
| # 30 Ruby 1.9 Tips, Tricks & Features: | |
| # http://www.igvita.com/2011/02/03/new-ruby-19-features-tips-tricks/ | |
| # | |
| tip "Upgrading to Ruby 1.9 is simple: rvm install 1.9.2 && rvm --default 1.9.2" | |
| tip "Ruby 1.9 supports named captures in regular expressions!" |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // try ruby-like mixin in javascript | |
| function mixin(object, name, fn) { | |
| var orignal = object[name]; | |
| object[name] = function() { | |
| try { | |
| this.super = orignal; | |
| return fn.apply(this, arguments); | |
| } finally { |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| org_rails_cmd=`which rails` | |
| function rails { | |
| if [ $# -eq 0 ];then | |
| $org_rails_cmd | |
| elif [ -e script/rails ]; then | |
| ./script/rails $@ | |
| elif [ $1 = 'c' ];then | |
| shift | |
| ./script/console $@ |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| require 'sass/plugin/rack' | |
| Sass::Plugin.options.merge!(:css_location => "./path/to/stylesheets") | |
| use Sass::Plugin::Rack | |
| run Rack::Directory.new(".") |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| local return_code="%(?..%{$fg[red]%}%? ↵%{$reset_color%})" | |
| local current_dir='%{$terminfo[bold]$fg[blue]%} %~%{$reset_color%}' | |
| local current_path='%{$terminfo[bold]$fg[blue]%}%c%{$reset_color%}' | |
| local rvm_ruby='%{$fg[red]%}‹$(rvm-prompt i v g)›%{$reset_color%}' | |
| local git_branch='$(git_prompt_info)%{$reset_color%}' | |
| local current_time='%{$fg[yellow]%}%D{[%I:%M:%S]}%{$reset_color%}' | |
| local arrow="%{$fg_bold[red]%}$%{$reset_color%}" | |
| PROMPT="${current_dir} ${git_branch}${arrow} " |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!doctype html> | |
| <html> | |
| <head> | |
| <title>Html5 video with jq.tmpl sample</title> | |
| <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.6.1.min.js"></script> | |
| <script src="http://ajax.aspnetcdn.com/ajax/jquery.templates/beta1/jquery.tmpl.js"></script> | |
| <script type="text/javascript"> | |
| $(document).ready(function () { |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| foobar = (x) -> not_exist | |
| foobar(1) |