shunchu

# copy/paste in ~/.bash_profile and invoke it by typing "gh" in commandline

# Opens the github page for the current git repo/branch in your browser

function gh() {
  giturl=$(git config --get remote.origin.url)
  if [ "$giturl" == "" ]
    then
     echo "Not a git repository or no remote.origin.url set"
     exit 1;

shunchu

# copy/paste into ~/.bash_profile and invoke it by typing "bb" in commandline

# Opens the bitbucket page for the current git repo/branch in your browser

function bb() {
  giturl=$(git config --get remote.origin.url)
  if [ "$giturl" == "" ]
    then
     echo "Not a git repository or no remote.origin.url set"
     exit 1;

shunchu

" Use Vim settings, rather then Vi settings (much better!).
" This must be first, because it changes other options as a side effect.
set nocompatible

runtime autoload/pathogen.vim
call pathogen#infect()
call pathogen#helptags()

" EDITOR SETTINGS ========================================================
" ========================================================================

shunchu

# this adds an additional `user_ids` array to each of the `organizations` collection

json.organizations do |json|
  json.array! @organizations do |org|
    json.merge! org.attributes
    json.user_ids org.users.pluck(:id)
  end
end

shunchu

# add associated object's IDs as arrays for each record in collection

Organization.joins(:users)
            .select("organizations.*, '#{User.joins(:organization).pluck(:id)}' as user_ids")
            .group('organizations.id')
            
# => { organizations: [{ id: 1, name: 'some name',... user_ids:[1,2,3] }] }

shunchu

// focus first form field element matching these criteria
$(':input:visible:enabled:not(.no-focus, 
                              select, input[readonly=readonly], 
                              input[type=checkbox], 
                              input[type=radio], 
                              input[type=submit]):first').focus();

shunchu

http://stackoverflow.com/questions/3458553/javascript-passing-parameters-to-a-callback-function
function tryMe (param1, param2) {
    alert(param1 + " and " + param2);
}

function callbackTester (callback) {
    callback (arguments[1], arguments[2]);
}

callbackTester (tryMe, "hello", "goodbye");

shunchu

# ====================
# Spell: Dynamic Proxy
# ====================

# Forward to another object any messages that don’t match a method.

class MyDynamicProxy
  def initialize(target)
    @target = target
  end

shunchu

/* Have padding and border that cut into the element's width instead expanding it. */

textarea { 
  -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
  -moz-box-sizing: border-box;    /* Firefox, other Gecko */
  box-sizing: border-box;         /* Opera/IE 8+ */
}

/* reference: http://css-tricks.com/box-sizing/ */

shunchu

namespace :pg do
  namespace :structure do
    # Does exactly the same as db:structure:dump but with one important
    # difference. It tries to use a compatible version of pg_dump. If you see
    # the following error message, use pg:structure:dump instead.
    #
    #   pg_dump: server version: 9.1.0; pg_dump version: 9.0.4
    #   pg_dump: aborting because of server version mismatch
    #   rake aborted!
    #   Error dumping database