lin

Create an ec2 instance

ssh -i ~/.ssh/keypair.pem ec2-user@123.456.789.101

Set up ssh alias.

vi ~/.ssh/config

lin

Processes Snapshot (ps)

And to see every process on the system using BSD syntax: (aux)

ps aux | grep unicorn

kill -9 

lin

db.createUser(
  {
    user: "username",
    pwd: "password",
    roles:
    [
      {
        role: "dbOwner",
        db: "dbname"
      }

lin

void (^logMessage) = ^{
  NSLog(@"Hello from inside the block");
};

void (^sumNumbers)(NSUInteger, NSUInteger) = ^(NSUInteger num1, NSUInteger num2){
  NSLog(@"The sum of the numbers is %lu", num1 + num2);
};

for (NSString *word in funnyWords) {
  NSLog(@"%@ is a funny word", word);

lin

tweets = timeline.tweets || []
options[:country] ||= 'us'
options[:privacy] ||= true

def sign_in
 current_session || sign_user_in
en

if list_name
 "/#{user_name}/#{list_name}"

lin

function arrayToObject_recursive ( $data ) {
	// if the passed data is just a value, return it, and terminate the recursion.
	if ( !is_array( $data ) )
		return $data; 

	// otherwise, read the class name out of the data.
	if ( array_keys($data) !== range(0, count($data) - 1) ) {
		
		if ( !empty( $data['_model_class'] ) ) {
			$class = $data['_model_class'];

lin

function arrayToObject_recursive ( $data, $key = NULL) {
	// if the passed data is just a value, return it, and terminate the recursion.
	if ( !is_array( $data ) )
		return $data; 

	// otherwise, read the class name out of the data.
	if ( array_keys($data) !== range(0, count($data) - 1) ) {
		
		if ( !empty( $data['_model_class'] ) ) {
			$class = $data['_model_class'];

lin

// This function simply processes a Mongo query, and returns an array of objects of the specified type. The type is saved in the _model_class
// parameter (which is saved along with the mongo data). This allows us to know which concrete subclass was saved, and how to load it again.
protected static function get_withQuery ( $query, $collection_name, $sort = null, $limit = null, $skip = null ) {
	$mongo = new MongoConnection();
	$collection = $mongo->get_db()->selectCollection( $collection_name );
	$resultCursor = $collection->find( $query );

	if ( !empty($sort) ) $resultCursor->sort( $sort );
	if ( !empty($limit) ) $resultCursor->limit( $limit );
	if ( !empty($skip) ) $resultCursor->skip( $skip );

lin

$ sudo gem install cocoapods
$ pod setup
$ pod install

lin

def hello str, &block
  pre_str = str + " world!"
  block.call pre_str
  after_str = "say " + str
  puts after_str
end

hello "hello" do |str|
  puts "MC says #{str}"
end