tbilous

/*
 * Handling Errors using async/await
 * Has to be used inside an async function
 */
try {
    const response = await axios.get('https://your.site/api/v1/bla/ble/bli');
    // Success 🎉
    console.log(response);
} catch (error) {
    // Error 😨

tbilous

# routes.rb
  match 'ads/:id/present/*path.:format', :to => 'ads#present'

# ads_controller.rb
  def present
    @ad = Ad.find(params[:id])
    path = "#{params[:path]}.#{params[:format]}"
    send_data(@ad.get_file(path), :filename => path, :disposition => 'inline')
  end

tbilous

http://stackoverflow.com/questions/22667401/postgres-json-data-type-rails-query
http://stackoverflow.com/questions/40702813/query-on-postgres-json-array-field-in-rails

#payload: [{"kind"=>"person"}]
Segment.where("payload @> ?", [{kind: "person"}].to_json)

#data: {"interest"=>["music", "movies", "programming"]}
Segment.where("data @> ?",  {"interest": ["music", "movies", "programming"]}.to_json)
Segment.where("data #>> '{interest, 1}' = 'movies' ")
Segment.where("jsonb_array_length(data->'interest') > 1")

tbilous

Lenovo ideapad 330 (15ARR) ubuntu issues and their solutions

Issue-1: None of the ubuntu distros are getting installed

Solution: Ubuntu distros lower than 18.10 will not work in this laptop, as minimum kernal version required is 4.18.

So install ubuntu 18.10 / xubuntu 18.10 / lubuntu 18.10 / kubuntu 18.10 in UEFI mode

Issue-2: Wifi is not working

tbilous

Array values in the parameter to `Gem.paths=` are deprecated.
Please use a String or nil.
An Array (...) was passed in from bin/rails:3:in `load'

Solution
========
https://github.com/rubygems/rubygems/issues/1551

If you came to this issue by googling the error specified in the description of this issue, you should know that it has already been fixed in spring-1.6.4 and all you need to do is to update to latest spring and regenerate binstubs, like this:

tbilous

worker_processes  1;

events {
    worker_connections  1024;
}

http {
    # passenger_root /home/deployer/.rvm/gems/ruby-2.3.3/gems/passenger-5.1.0;
    # passenger_ruby /home/deployer/.rvm/gems/ruby-2.3.3/wrappers/ruby;

tbilous

# По умолчанию запускаем только необходимых для тестов наблюдателей,
# то есть всех, кроме server.
# Для запуска всех: bundle exec guard -g default
scope groups: ['specs']

group 'specs' do
  # запускаем тесты и использованием Spring
  guard :rspec, cmd: "bundle exec spring rspec" do 
    require "guard/rspec/dsl"
    dsl = Guard::RSpec::Dsl.new(self)

tbilous

#!/usr/bin/env ruby

ADDED_OR_MODIFIED = /^\s*(A|AM|M)/.freeze

changed_files = `git status --porcelain`.split(/\n/)
unstaged_files = `git ls-files -m`.split(/\n/)

changed_files = changed_files.select { |f| f =~ ADDED_OR_MODIFIED }
changed_files = changed_files.map { |f| f.split(" ")[1] }

tbilous

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')