Skip to content

Instantly share code, notes, and snippets.

Zoran Majstorovic zmajstor

Block or report user

Report or block zmajstor

Hide content and notifications from this user.

Learn more about blocking users

Contact Support about this user’s behavior.

Learn more about reporting abuse

Report abuse
View GitHub Profile
@zmajstor
zmajstor / gem update fix
Created Aug 25, 2012
ERROR: Failed to build gem native extension.
View gem update fix
download & install command line tools for xcode
ln -s gcc gcc-4.2
http://stackoverflow.com/questions/6119153/why-do-i-get-a-bcrypt-ruby-gem-install-error
@zmajstor
zmajstor / device_group.rb
Last active Dec 22, 2015
Rails 3 sample for grouping Devices into DeviceGroups (form_for ActiveRecord has_many :through Association)
View device_group.rb
class Device < ActiveRecord::Base
has_many :device_groupings, :dependent => :destroy
has_many :device_groups, :through => :device_groupings
end
class DeviceGroup < ActiveRecord::Base
has_many :device_groupings, :dependent => :destroy
has_many :devices, :through => :device_groupings
attr_accessible :name, :device_ids # ...
@zmajstor
zmajstor / device_groups_controller.rb
Created Sep 13, 2013
Rails 4 sample for grouping Devices into DeviceGroups (form_for ActiveRecord has_many :through Association)
View device_groups_controller.rb
class DeviceGroupsController < ApplicationController
# ...
private
def device_group_params
params.require(:device_group).permit(:title, {:group_ids => []} )
end
# ...
@zmajstor
zmajstor / _form.html.haml
Last active Dec 23, 2015
Rails nested form (Add/Remove nested resource without Controller for nested resource) inspired by http://davidlesches.com/blog/rails-nested-forms-using-jquery-and-simpleform and http://api.rubyonrails.org/classes/ActiveRecord/NestedAttributes/ClassMethods.html * to destroy the associated model: add the _destroy key to the attributes hash, with a…
View _form.html.haml
= simple_form_for @portfolio do |f|
= f.input :title, label: 'Portfolio Title'
= f.simple_fields_for :assets do |assets_form|
.duplicatable_nested_form
= assets_form.association :stock
= assets_form.input :amount, :input_html => { min: 0 }
= link_to 'Remove', '', :class => 'destroy_duplicate_nested_form'
= assets_form.input :id, as: :hidden
@zmajstor
zmajstor / application.html.erb
Created Nov 2, 2013
conditional include of css, js based on controller (previously disable require_tree . in application.css/js)
View application.html.erb
<% if current_page?(controller: 'foo_bar') %>
<%= stylesheet_link_tag "foo", media: "all" %>
<%= javascript_include_tag "bar" %>
<% end %>
View ldap_test.rb
# ---- edit data below ------------
LDAP_HOST = 'promdmnet.cloudapp.net'
LDAP_PORT = 636 # 636 or 389
LDAP_BASE = "dc=promdm, dc=net"
LDAP_BIND_USER = "ldapbind@promdm.net" # format is username@domain
LDAP_BIND_PASS = "ldapbindpassword"
samaccountname = "zm"
password = "userpassword"
# ----- edit end ------------------
@zmajstor
zmajstor / MyModel.rb
Created Jan 6, 2014
Rails (ActiveRecord) after_save callback for single field change
View MyModel.rb
class MyModel < ActiveRecord::Base
after_save :do_something, if: :my_filed_changed?
def do_something
# my_filed has been changed ... do something
end
end
@zmajstor
zmajstor / dry_scope.rb
Created Feb 10, 2014
AR DRY scoping of the nested models
View dry_scope.rb
class Collection < ActiveRecord::Base
has_many :products
scope :live, where("collections.end_date IS NOT NULL AND collections.end_date >= ?", Time.now.to_date)
end
class Product < ActiveRecord::Base
belongs_to :collection
# how to DRY this .where ?
scope :launched, joins(:collection).where("collections.end_date IS NOT NULL AND collections.end_date >= ?", Time.now.to_date)
@zmajstor
zmajstor / _collection.html.erb
Last active Aug 29, 2015
how to wait for jQuery .append to finsh
View _collection.html.erb
<div class="card">
<%= image_tag (collection.designer.cover_image_url), class: "center-block" %>
<div class="card-hover">
<span class="card-overlay">
<%= collection.designer.fullname %><br>
<%= collection.designer.live_collection.name %><br>
<%= collection.designer.location %>
</span>
</div>
</div>
@zmajstor
zmajstor / aviary_uploader.rb
Last active Aug 29, 2015
CarrierWave upload with Aviary and FileReader
View aviary_uploader.rb
# encoding: utf-8
class AviaryUploader < CarrierWave::Uploader::Base
# Include RMagick or MiniMagick support:
# include CarrierWave::RMagick
# include CarrierWave::MiniMagick
# Choose what kind of storage to use for this uploader:
# storage :file
You can’t perform that action at this time.