Andrea Salicetti knightq

## profile_utils.rb
# Usage:
# profile_memory do
#   # your_code_to_be_profiled_here...
# end
module ProfileUtils

  def get_current_memory_usage
    `ps -o rss= -p #{Process.pid}`.to_i
  end


## gist:dbf6121f10007bed443c

      
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                knightq
                / gist:dbf6121f10007bed443c
            
            
              Created
              August 19, 2014 19:30
                — forked from lucasfais/gist:1207002
            
          
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		 ⌘⌃P 
		 go to project 
	
	
		 ⌘R 
		 go to methods 
	
	
		 ⌃G 
		 go to line 
	
	
		 ⌘KB 
		 toggle side bar 
	
	
		 ⌘⇧P 
		 command prompt 
	

## rvm_setup.txt
# Install from scratch
bash < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer )
# Update
rvm get head

# Install openssl
rvm pkg install openssl #(older format - rvm package install openssl)
# Install iconv
rvm pkg install iconv # (older format - rvm package install iconv)
# In case of problem, try to install without autoreconf

## [Rails][test] - How to run one test only
ruby -I test test/functional/items_controller_test.rb -n 'mio_test'

## gist:3077181
# see: http://stackoverflow.com/questions/4837427/mongo-ruby-connection-problem

sudo rm /var/lib/mongodb/mongod.lock
sudo -u mongodb mongod -f /etc/mongodb.conf --repair
sudo start mongodb
sudo status mongodb

## Disable Rails console colors
config.active_record.colorize_logging = false

## Rails log from console
ActiveRecord::Base.connection.instance_variable_set :@logger, Logger.new(STDOUT)

## Install memcache gem
brew install memcached libmemcached

env ARCHFLAGS="-arch x86_64" gem install memcached --no-ri --no-rdoc -- --with-libmemcached-dir=/opt/local

## Benchmark
# Got from here: http://www.skorks.com/2010/03/timing-ruby-code-it-is-easy-with-benchmark/

require "benchmark"

Benchmark.bm(7) do |x|
  x.report("first:")   { (1..10000).each { |i| i } }
  x.report("second:") { (1..10000).each { |i| i }}
  x.report("third:")  { (1..10000).each { |i| i }}
end

## Postgres array_agg
select array_to_string(array_agg(projects.name), ',')) as projects ...
	# Usage:
	# profile_memory do
	# # your_code_to_be_profiled_here...
	# end
	module ProfileUtils

	def get_current_memory_usage
	`ps -o rss= -p #{Process.pid}`.to_i
	end
⌘T	go to file
⌘⌃P	go to project
⌘R	go to methods
⌃G	go to line
⌘KB	toggle side bar
⌘⇧P	command prompt
	# Install from scratch
	bash < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer )
	# Update
	rvm get head

	# Install openssl
	rvm pkg install openssl #(older format - rvm package install openssl)
	# Install iconv
	rvm pkg install iconv # (older format - rvm package install iconv)
	# In case of problem, try to install without autoreconf
	# see: http://stackoverflow.com/questions/4837427/mongo-ruby-connection-problem

	sudo rm /var/lib/mongodb/mongod.lock
	sudo -u mongodb mongod -f /etc/mongodb.conf --repair
	sudo start mongodb
	sudo status mongodb
	brew install memcached libmemcached

	env ARCHFLAGS="-arch x86_64" gem install memcached --no-ri --no-rdoc -- --with-libmemcached-dir=/opt/local
	# Got from here: http://www.skorks.com/2010/03/timing-ruby-code-it-is-easy-with-benchmark/

	require "benchmark"

	Benchmark.bm(7) do \|x\|
	x.report("first:") { (1..10000).each { \|i\| i } }
	x.report("second:") { (1..10000).each { \|i\| i }}
	x.report("third:") { (1..10000).each { \|i\| i }}
	end