qcam’s gists

qcam / how-to-create-different-shapes-in-css.md

Created April 28, 2014 09:16

How to create different shapes in CSS

The Cheetsheet

qcam / ruby-send.md

Created May 2, 2014 03:09

How to call a symbol method in Ruby

class Klass
  def hello(*args)
    "Hello " + args.join(' ')
  end
end
k = Klass.new
k.send :hello, "gentle", "readers" #=&gt; "Hello gentle readers"

qcam / rails-link-to.md

Created May 2, 2014 04:25

From http://api.rubyonrails.org/classes/ActionView/Helpers/UrlHelper.html#method-i-link_to

Link to ViewHelper Rails

link_to(body, url, html_options = {})
  # url is a String; you can use URL helpers like
  # posts_path

link_to(body, url_options = {}, html_options = {})
  # url_options, except :method, is passed to url_for

qcam / rescue-error-rails.md

Last active August 29, 2015 14:00

Rescue Error in Controller

Use rescue_form to avoid code duplication in Controller

class DealsController < ApplicationController
  before_filter :authenticate_user!, except: [:index, :show, :list]
  before_filter :authenticate_proposer, only: [:edit]

  rescue_from StandardError, with: :show_errors
  rescue_from Order::OrderNotFound, with: :show_errors

qcam / random-ruby-tips.md

Last active August 29, 2015 14:00

30 Randoms Ruby (Rails) Tips - by Winston TeoFrom https://speakerdeck.com/winston/random-ruby-and-rails-tips

##Ruby (Rails) tips

####1. Array Initialization

if x.is_a?(Array)
  x.each { |x| puts x } 
else
  puts x
end

qcam / font-asset-rails-heroku.md

Created May 3, 2014 00:20

[Rails Assets Pipeline] How to make web fonts work on Heroku

How to make web fonts work on Heroku

Add the fonts path to your production.rb and development.rb

# Add the font path
config.assets.paths << Rails.root.join('app', 'assets', 'fonts')

# Include font files to Assets
config.assets.precompile &lt;&lt; /\.(?:svg|eot|woff|ttf)$/

qcam / heroku-commands.md

Created May 3, 2014 00:36

Some Heroku helpful commands

Some Heroku commands

Open the bash shell

heroku run bash

Open Rails console

qcam / capybara-wait-for-ajax.md

Created May 3, 2014 00:41

Wait for AJAX in Capybara

Wait for AJAX Capybara

Add wait_for_ajax to your helper

def wait_for_ajax
  Timeout.timeout(Capybara.default_wait_time) do
    loop do
      active = page.evaluate_script('jQuery.active')
 break if active == 0

qcam / voting-star-css.md

Created May 3, 2014 00:51

Voting star with CSS

Star Rating with only CSS

<div class="star-wrapper">
  <a class="star" href="javascript:alert(1)"></a>
  <div class="star-wrapper">
    <a class="star"></a>
    <div class="star-wrapper">
      <a class="star"></a>
      <div class="star-wrapper">

qcam / CKEditor.md

Created May 8, 2014 03:26 — forked from stevenyap/CKEditor.md

Setup a WYSIWYG editor with CKEditor. Includes instruction for Rails_Admin

Add gem 'ckeditor' to your Gemfile and bundle
Checkout https://github.com/galetahub/ckeditor for instruction to generate the correct model to generate for uploading of files (eg. ActiveRecord + Paperclip)
Run rake db:migrate
Add //= require ckeditor/override in your application.js (before require_tree .)

To configure the editor to be used in Rails_Admin, follow this https://github.com/sferik/rails_admin/wiki/CKEditor

Cẩm Huỳnh qcam