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Show records created in the last 5 hours (requires squeel and activesupport):

Model.where{created_at > 5.hours.ago}.map(&:name)

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# secure alphanumeric password generation in a bash function
# moved to https://github.com/qrohlf/dotfiles/blob/master/functions/gimmepassword.sh

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# fancy git/heroku deployment script
# moved to https://github.com/qrohlf/dotfiles/blob/master/functions/booyah.sh

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sudo killall -HUP mDNSResponder

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(from http://www.macgasm.net/2011/05/23/disable-dropshadow-mac-os-window-screenshots/)

To disable OSX screenshot drop shadows:

defaults write com.apple.screencapture disable-shadow -bool true
killall SystemUIServer

To re-enable OSX screenshot drop shadows:

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heroku pg:reset --confirm appname DATABASE_URL
heroku run rake db:migrate && rake db:seed

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sudo chmod a+w /usr/X11/var/cache/fontconfig

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##Rad 2d Clipping To try it out:

git clone https://gist.github.com/7345132.git
cd 7345132 
acom Lab3.c Drawframework.c && ./a.out better_house.xy

Then click a convex clipping window with your mouse in a clockwise direction.

Click the red square in the upper right corner to finish the polygon and clip the house.

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puts "‮dlroW olleH"

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one = 1
two = one+one
five = two*two+one
ten = five*two
hw = [ten*(five+two)+two, 
    hundred1 = ten*ten+one, 
    l = ten*ten+ten-two, 
    l, 
    hundred11 = hundred1+ten,
    ten*two+ten+two,