manfe

module TreeListHelper
  # the collection need to be the root parents
  def tree_list(collection)
    content_tag(:ul) do
      collection.each do |item|
        if item.children.any?
          concat(
            content_tag(:li, id: item.id) do
              concat(item.name)
              concat(tree_list(item.children))

craigbeck

  query IntrospectionQuery {
    __schema {
      queryType { name }
      mutationType { name }
      subscriptionType { name }
      types {
        ...FullType
      }
      directives {

rosswd

Linux Laptops

Find Laptops

• /r/SuggestALaptop
• /r/linuxhardware
• noteb.com
• productchart
• notebookcheck
• notebookreview

paulirish

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

palkan

Setup

Replace IRB with Pry (in your Gemfile) and Byebug with pry-byebug.

gem 'pry-rails', group: [:development, :test]
gem 'pry-byebug', group: [:development, :test]

Using PRY

rahul286

## ubuntu server with bash shell

git clone https://github.com/sstephenson/rbenv.git ~/.rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
git clone https://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build


## verify
type rbenv

abaird

require 'rspec/core/rake_task'
require 'ci/reporter/rake/rspec'
  
RSpec::Core::RakeTask.new(:spec) do |t|
  t.rspec_opts = ['--format html', '--out spec/reports/results.html']
  t.pattern = 'spec/heartbeat/heartbeat_spec.rb'
end

task :clean do
  rm_rf 'spec/reports'

guilhermesimoes

# gem install benchmark-ips

require "benchmark/ips"

path = "lib/rubycritic/cli/options.rb"

Benchmark.ips do |x|
  x.report("read + each_line") { File.read(path).each_line.count }

  x.report("open + each_line") { File.open(path, "r").each_line.count }

raecoo

# Only upper case alphabets [A-Z]
value = "";
8.times{value  << (65 + rand(25)).chr} >>}
#or
(0...8).map{65.+(rand(26)).chr}.join
(0...8).map{ ('A'..'Z').to_a[rand(26)]  }.join

# Lower case and upper case [a-zA-Z]
value = "";
8.times{value << ((rand(2)==1?65:97) + rand(25)).chr} >>}

rattrayalex

var ChatAppDispatcher = require('../dispatcher/ChatAppDispatcher');
var ChatConstants = require('../constants/ChatConstants');
var ChatMessageUtils = require('../utils/ChatMessageUtils');
var EventEmitter = require('events').EventEmitter;
var ThreadStore = require('../stores/ThreadStore');
var merge = require('react/lib/merge');

var ActionTypes = ChatConstants.ActionTypes;
var CHANGE_EVENT = 'change';