Przemek Sobstel sobstel

## config
fontconfig=yes
subcp=cp1250
subfont-text-scale=4

## comment.rb
class Comment
  include Mongoid::Document

  field :name

  # do not generate object_id
  # for mongoid <=2.0rc7 (in newer mongoid use Mongoid.embedded_object_id = false)
  def identify
  end

## clipped_text.css
.clipped_text {
	white-space: nowrap;
	width: 100%; # for IE 6
	overflow: hidden;
	text-overflow: ellipsis;
}

## gist:919114

      
        
          
            
              
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                sobstel
                / gist:919114
            
            
              Created
              April 14, 2011 08:15
            
              
                Mac OS X: redirecting port 80 to actual http port
              
          
        
      
        
          
            
              
              We couldn’t find that file to show.
              
            
          
        
    

## mysql_fast_load.sql
#1
LOAD DATA INFILE...

#2
ALTER TABLE name DISABLE KEYS; // tells MySQL to stop updating nonunique indexes
INSERT ...
...
ALTER TABLE name ENABLE KEYS; // re-creates missing indexes (much faster than inserting one by one)

#3 (InnoDB)

## ternary_operator_gotcha.php
<?php
// old way
$value = $value ? $value : false;

// new way
$value = $value ?: false;

// however...
$value = isset($value) ?: false; // if eg. $value="value", then it returns (bool)true, and not (string)"value"

## accessing_private.php
<?php
class Test
{
    private $foo;

    public function __construct($foo)
    {
        $this->foo = $foo;
    }

## pdo_group_results.php
<?php
$stmt = $pdo_connection->query('SELECT id, name, surname FROM people');
$people = $stmt->fetchAll(\PDO::FETCH_GROUP | \PDO::FETCH_UNIQUE | \PDO::FETCH_ASSOC);

/*
$people will now contain:
array(
  1 => array(
    'name' => 'Juan',
    'surname' => 'Sorin',

## call_class_methods_via_instance.rb
class SomeClass
  def self.some_method
  end
end

some_obj = SomeClass.new
some_obj.class.some_method # = SomeClass.some_method

## beholder.js
/**
 * Global beholder for communication between blocks.
 *
 * If any callback returns true, next callbacks are NOT executed.
 */
var Beholder = function() {
  var callbacks = {};

  return {
    observe: function(id, callback) {
	class Comment
	include Mongoid::Document

	field :name

	# do not generate object_id
	# for mongoid <=2.0rc7 (in newer mongoid use Mongoid.embedded_object_id = false)
	def identify
	end
	.clipped_text {
	white-space: nowrap;
	width: 100%; # for IE 6
	overflow: hidden;
	text-overflow: ellipsis;
	}
	#1
	LOAD DATA INFILE...

	#2
	ALTER TABLE name DISABLE KEYS; // tells MySQL to stop updating nonunique indexes
	INSERT ...
	...
	ALTER TABLE name ENABLE KEYS; // re-creates missing indexes (much faster than inserting one by one)

	#3 (InnoDB)
	<?php
	// old way
	$value = $value ? $value : false;

	// new way
	$value = $value ?: false;

	// however...
	$value = isset($value) ?: false; // if eg. $value="value", then it returns (bool)true, and not (string)"value"
	<?php
	class Test
	{
	private $foo;

	public function __construct($foo)
	{
	$this->foo = $foo;
	}
	<?php
	$stmt = $pdo_connection->query('SELECT id, name, surname FROM people');
	$people = $stmt->fetchAll(\PDO::FETCH_GROUP \| \PDO::FETCH_UNIQUE \| \PDO::FETCH_ASSOC);

	/*
	$people will now contain:
	array(
	1 => array(
	'name' => 'Juan',
	'surname' => 'Sorin',
	class SomeClass
	def self.some_method
	end
	end

	some_obj = SomeClass.new
	some_obj.class.some_method # = SomeClass.some_method
	/**
	* Global beholder for communication between blocks.
	*
	* If any callback returns true, next callbacks are NOT executed.
	*/
	var Beholder = function() {
	var callbacks = {};

	return {
	observe: function(id, callback) {