IlkhamGaysin

class ContentSuggestionEnqueuer
  def self.enqueue
    User.where(subscribed: true).pluck(:id).each do |user_id|
      ContentSuggestionWorker.perform_async(user_id)
    end
  end
end

IlkhamGaysin

To count objects in current thread you can use this approach.

class OtherKlass
end

OtherKlass.new
OtherKlass.new

ObjectSpace.each_object(OtherKlass){} # => 2

IlkhamGaysin

⇐ back to the gist-blog at jrw.fi

Advanced SCSS

Or, 16 cool things you may not have known your stylesheets could do. I'd rather have kept it to a nice round number like 10, but they just kept coming. Sorry.

I've been using SCSS/SASS for most of my styling work since 2009, and I'm a huge fan of Compass (by the great @chriseppstein). It really helped many of us through the darkest cross-browser crap. Even though browsers are increasingly playing nice with CSS, another problem has become very topical: managing the complexity in stylesheets as our in-browser apps get larger and larger. SCSS is an indispensable tool for dealing with this.

This isn't an introduction to the language by a long shot; many things probably won't make sense unless you have some SCSS under your belt already. That said, if you're not yet comfy with the basics, check out the aweso

IlkhamGaysin

In the controller action

image_file = change_img_params(params[:avatar]) #params[:avatar] - base64 string

def change_img_params(img)
begin
  Base64.decode64(img) #To check if thats a base64 string
  if img
    img = file_decode(img.split(',')[1],"some file name") #getting only the string leaving out the data/<format>

end

IlkhamGaysin

apt-cache policy MY_PACKAGE - get list of available version or like this apt-cache madison MY_PACKAGE

IlkhamGaysin

The purpose of this document is to make recommendations on how to browse in a privacy and security conscious manner. This information is compiled from a number of sources, which are referenced throughout the document, as well as my own experiences with the described technologies.

I welcome contributions and comments on the information contained. Please see the How to Contribute section for information on contributing your own knowledge.

Table of Contents

• Motivation
• Audience
• TL;DR?
• Updates
• Technologies that Affect Security and Privacy

IlkhamGaysin

class FlatArray
  attr_reader :nested_array, :result

  def initialize(nested_array = [])
    @nested_array = nested_array
    @result = []
  end

 def call

IlkhamGaysin

Transactions

As your business logic gets complex you may need to implement transactions. The classic example is a bank funds transfer from account A to account B. If the withdrawal from account A fails then the deposit to account B should either never take place or be rolled back.

Basics

All the complexity is handled by ActiveRecord::Transactions. Any model class or instance has a method named .transaction. When called and passed a block, that block will be executed inside a database transaction. If there's an exception raised, the transaction will automatically be rolled back.

Example

IlkhamGaysin

Cucumber step with dynamic the end:

When(/^I enter (\d+)(?:st|nd|rd|th) record/) do |n|
  # my interations
end

IlkhamGaysin

I was having the same problem. Ubuntu 14,04 here. I found this answer in a forum that solved the problem for me.

After struggling a bit, I found some useful commands. You can type these in any skype chat window.

/dumpmsnp - show details about your connection

/showplaces - show where you are currently connected

What was happening was that /dumpmsnp command was showing "LoggedOut", but I was online and talking almost normally (except group chats).