Gustaf Lindqvist gustaflindqvist

## gist:2493622
# From the project root

rvm env -- `rvm current` >> .powenv

## can_destroy.rb
class ActiveRecord::Base
  def can_destroy?
    self.class.reflect_on_all_associations.all? do |assoc|
      assoc.options[:dependent] != :restrict || (assoc.macro == :has_one && self.send(assoc.name).nil?) || (assoc.macro == :has_many && self.send(assoc.name).empty?)
    end
  end
end

## rvm_apache_passenger.txt
# Install rvm system-wide
bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer )

# Update the packages
apt-get update
apt-get upgrade
apt-get install build-essential

# get the packages required by ruby
rvm pkg install zlib

## index.md

      
              1 file
            
          
              217 forks
            
          
              23 comments
            
          
              587 stars
            
          
                rstacruz
                / index.md
            
            
              Last active
              November 3, 2023 09:56
            
              
                Rails models cheatsheet
              
          
    Rails Models

Generating models

$ rails g model User

Associations

belongs_to

has_one

  
## box-shadow.html
<!DOCTYPE html>
<html>
	<head>
		<title>Box Shadow</title>

		<style>
			.box {
				height: 150px;
				width: 300px;
				margin: 20px;

## gist:1207002

      
              1 file
            
          
              807 forks
            
          
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              2098 stars
            
          
                lucasfais
                / gist:1207002
            
            
              Created
              September 9, 2011 18:46
            
              
                Sublime Text 2 - Useful Shortcuts
              
          
    Sublime Text 2 – Useful Shortcuts (Mac OS X)

General


		 ⌘T 
		 go to file 
	
	
		 ⌘⌃P 
		 go to project 
	
	
		 ⌘R 
		 go to methods 
	
	
		 ⌃G 
		 go to line 
	
	
		 ⌘KB 
		 toggle side bar 
	
	
		 ⌘⇧P 
		 command prompt 
	

## install_postgis_osx.sh
# Some good references are:
# http://russbrooks.com/2010/11/25/install-postgresql-9-on-os-x
# http://www.paolocorti.net/2008/01/30/installing-postgis-on-ubuntu/
# http://postgis.refractions.net/documentation/manual-1.5/ch02.html#id2630392

#1. Install PostgreSQL postgis and postgres

brew install postgis
initdb /usr/local/var/postgres
pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start

## gist:999120
# avoid path traversal attacks and speed up look-up
set :css_files, {}
Dir.glob("#{settings.public}/css/*.css") { |file| settings.css_files[File.basename(file, '.css')] = file }

get "/css/:name.css" do |name|
  expires 60*60*24*356*3
  send_file setting.css_files[name]
end
	class ActiveRecord::Base
	def can_destroy?
	self.class.reflect_on_all_associations.all? do \|assoc\|
	assoc.options[:dependent] != :restrict \|\| (assoc.macro == :has_one && self.send(assoc.name).nil?) \|\| (assoc.macro == :has_many && self.send(assoc.name).empty?)
	end
	end
	end
	# Install rvm system-wide
	bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer )

	# Update the packages
	apt-get update
	apt-get upgrade
	apt-get install build-essential

	# get the packages required by ruby
	rvm pkg install zlib
	<!DOCTYPE html>
	<html>
	<head>
	<title>Box Shadow</title>

	<style>
	.box {
	height: 150px;
	width: 300px;
	margin: 20px;
⌘T	go to file
⌘⌃P	go to project
⌘R	go to methods
⌃G	go to line
⌘KB	toggle side bar
⌘⇧P	command prompt
	# Some good references are:
	# http://russbrooks.com/2010/11/25/install-postgresql-9-on-os-x
	# http://www.paolocorti.net/2008/01/30/installing-postgis-on-ubuntu/
	# http://postgis.refractions.net/documentation/manual-1.5/ch02.html#id2630392

	#1. Install PostgreSQL postgis and postgres

	brew install postgis
	initdb /usr/local/var/postgres
	pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start
	# avoid path traversal attacks and speed up look-up
	set :css_files, {}
	Dir.glob("#{settings.public}/css/*.css") { \|file\| settings.css_files[File.basename(file, '.css')] = file }

	get "/css/:name.css" do \|name\|
	expires 6060243563
	send_file setting.css_files[name]
	end