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jamesdaniels / boom.rb
Created February 13, 2014 03:28
# Returns either true or false depending on whether or not the user agent of
# the device making the request is matched to a device in our regex.
def is_mobile_device?
request.user_agent.to_s.downcase =~ /silk|palm|blackberry|nokia|phone|midp|mobi|symbian|chtml|ericsson|minimo|audiovox|motorola|samsung|telit|upg1|windows ce|ucweb|astel|plucker|x320|x240|j2me|sgh|portable|sprint|docomo|kddi|softbank|android|mmp|pdxgw|netfront|xiino|vodafone|portalmmm|sagem|mot-|sie-|ipod|up\\.b|webos|amoi|novarra|cdm|alcatel|pocket|ipad|iphone|mobileexplorer|mobile/
end
# Can check for a specific user agent
# e.g., is_device?('iphone') or is_device?('mobileexplorer')
def is_device?(type)
@jamesdaniels
jamesdaniels / login.js
Last active August 29, 2015 14:01
Desk.com fluid scripts
// Pattern *support.appblade.com\/login\/new
$('#user_session_email').val('USERNAME');
$('#user_session_password').val('PASSWORD')[0].form.submit();
@jamesdaniels
jamesdaniels / retina.js
Created October 16, 2014 20:27
// This will grab the largest image for the pixelRatio without oversampling (iOS style)
// Usage: assetUsingNativePixelRatio('/assets/images', 'logo', 'png', [1,2,3]);
// Output: /assets/images/logo@2x.png
function assetUsingNativePixelRatio(path, name, extension, pixelRatios) {
// Sort the pixelRatios in case they were put in the wrong order
var $pixelRatios = $(pixelRatios).sort();
// Price is right style
var matchingPixelRatio = $pixelRatios.not(function() {
@jamesdaniels
jamesdaniels / keybase.md
Created July 15, 2015 20:14

Keybase proof

I hereby claim:

  • I am jamesdaniels on github.
  • I am jamesuriah (https://keybase.io/jamesuriah) on keybase.
  • I have a public key whose fingerprint is 0A16 8002 F444 EBE3 33C2 6A36 2C95 8E6B A90B 5CE5

To claim this, I am signing this object:

@jamesdaniels
jamesdaniels / get-exif-data.rb
Created February 2, 2009 21:17
Gets the EXIF meta data for a file
`exiftool /Users/james/Desktop/james.psd`.split("\n").collect{|a|
[
(array = a.split(':')).first.strip,
(array.shift && array).join(':').strip
]
}
@jamesdaniels
jamesdaniels / verified_facebook_authenticity.rb
Created February 3, 2009 01:34
Verify communications from facebook
def verifed_facebook_autheticity(signature, params)
Digest::MD5.hexdigest((params.keys.sort.collect {|key| "#{key}=#{params[key]}"} << APP_CONFIG[:facebook_api_secret]).to_s).strip == signature
end
@jamesdaniels
jamesdaniels / XCode on git
Created February 24, 2009 00:51
. gitattributes for xcode projects
# .gitattributes
*.pbxproj -crlf -diff -merge
# .gitignore
# xcode noise
build/*
*.pbxuser
@jamesdaniels
jamesdaniels / WTF FBML
Created May 8, 2009 19:32
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:fb="http://www.facebook.com/2008/fbml">
<head>
<script src="http://static.ak.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php" type="text/javascript"></script>
</head>
<body>
@jamesdaniels
jamesdaniels / gist:222262
Created October 30, 2009 10:56
Short Circuit ~ http://rubylearning.com/blog/2009/10/30/rpcfn-short-circuit-3/
class Circuit
def initialize(resistors)
@resistors = resistors
@final_node = 0
@resistors.each do |(source, destination, resistance)|
@final_node = [@final_node, source, destination].max
end
@jamesdaniels
jamesdaniels / polynomial.rb
Created November 26, 2009 22:35
Pretty Printing Polynomials ~ http://rubylearning.com/blog/2009/11/26/rpcfn-rubyfun-4/
class Polynomial
def initialize(coefficients)
@coefficients = coefficients.reverse # reverse so the index equates to the exponent of each coefficient
raise ArgumentError, 'Need at least 2 coefficients' if coefficients.size < 2
end
def to_s
# Build an array of sprintfs, LIFO to get most significant order
@coefficients.inject([]) {|builder, coefficient| ["%+ix^%i" % [coefficient, builder.size]] + builder}.to_s.
gsub(/(\+0x\^\d+|x\^0|\^1\d{0})/, ''). # Clean out 0x^y, x^0, ^1
gsub(/\d{0}1x/, 'x'). # Replace 1x with just x