DFrenkel

[true, false, 1223, nil].each do |b|
  [true, false, 5555, nil].each do |c|
    a = b && c              
    puts "#{b} && #{c} = #{a}"
  end
end

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
true && true = true
true && false = false

DFrenkel

#!/usr/bin/env bash


# See http://gorails.com/setup/ubuntu/13.10

cd
git clone git://github.com/sstephenson/rbenv.git .rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc
exec $SHELL

DFrenkel

-- see http://stackoverflow.com/questions/5108876/kill-a-postgresql-session-connection
SELECT 
    pg_terminate_backend(procpid) 
FROM 
    pg_stat_activity 
WHERE 
    -- don't kill my own connection!
    procpid <> pg_backend_pid()
    -- don't kill the connections to other databases
    AND datname = 'database_name';

DFrenkel

SELECT parentns.nspname as "parent schema", parent.relname as "parent table", childns.nspname "child schema", child.relname as "child table"
FROM pg_catalog.pg_inherits inh 
        INNER JOIN pg_catalog.pg_class as parent ON (inh.inhparent = parent.oid) 
    INNER JOIN pg_catalog.pg_namespace as parentns ON (parent.relnamespace = parentns.oid)
	INNER JOIN pg_catalog.pg_class as child ON (inh.inhrelid = child.oid) 
    INNER JOIN pg_catalog.pg_namespace as childns ON (child.relnamespace = childns.oid)
ORDER BY parent.relname, child.relname;

DFrenkel

urlFor = function(url, params)
{
    url = url || window.location.href || '';

    url =  url.match(/\?/) ? url : url + '?';

    for (var key in params) {
        var re1 = RegExp( '\\?' + key + '=[^\&$]*(&|$)', 'g' );
        var re2 = RegExp( '\&' + key + '=[^\&$]*(&|$)', 'g' );
        var replacement = params[key] ? key + '=' + params[key] : "";

DFrenkel

sudo cp /Library/PostgreSQL/9.1/lib/libssl.1.0.0.dylib /usr/lib/
sudo cp /Library/PostgreSQL/9.1/lib/libcrypto.1.0.0.dylib /usr/lib/

sudo rm /usr/lib/libssl.dylib
sudo rm /usr/lib/libcrypto.dylib

sudo ln -s /usr/lib/libssl.1.0.0.dylib /usr/lib/libssl.dylib
sudo ln -s /usr/lib/libcrypto.1.0.0.dylib /usr/lib/libcrypto.dylib

gem uninstall pg