| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
| <title>Barcode Printer Demo</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <script src="https://cdn.jsdelivr.net/npm/jsbarcode@3.11.0/dist/barcodes/JsBarcode.code128.min.js"></script> | |
| <script src="https://printjs-4de6.kxcdn.com/print.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> |
| defmodule MyApp.Release.Tasks do | |
| @app :my_app | |
| @start_apps [:logger, :ssl, :postgrex, :ecto_sql, :telemetry] | |
| @repos Application.get_env(@app, :ecto_repos, []) | |
| def migrate do | |
| start_services() | |
| run_migrations() | |
| stop_services() |
| unbind C-b | |
| set -g prefix C-s | |
| bind-key -r C-s send-prefix | |
| set -sg escape-time 0 | |
| bind-key r source-file ~/.tmux.conf \; display-message "~/.tmux.conf reloaded" | |
| bind-key -n C-h select-pane -L | |
| bind-key -n C-j select-pane -D |
| # NewRelic instrumenter for GraphQL-ruby | |
| # | |
| # In your controller: | |
| # ::NewRelic::Agent.add_custom_attributes({ | |
| # user_id: @user.try(:id), | |
| # query_string: @query_string, | |
| # query_arguments: @query_variables | |
| # }) | |
| # | |
| # @document = self.class.trace_execution_scoped(["GraphQL#parse"]) do |
| # Simple bijective function | |
| # Basically encodes any integer into a base(n) string, | |
| # where n is ALPHABET.length. | |
| # Based on pseudocode from http://stackoverflow.com/questions/742013/how-to-code-a-url-shortener/742047#742047 | |
| ALPHABET = | |
| "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".split(//) | |
| # make your own alphabet using: | |
| # (('a'..'z').to_a + ('A'..'Z').to_a + (0..9).to_a).shuffle.join |
Sometimes you want to use a gem on Heroku that is in a private repository on GitHub.
Using git over http you can authenticate to GitHub using basic authentication. However, we don't want to embed usernames and passwords in Gemfiles. Instead, we can use authentication tokens.
First you will need to get an OAuth Token from GitHub using your own username and "note"
| # filename: spec/fake_set_spec.rb | |
| require 'spec_helper' | |
| require 'fake_set' | |
| describe FakeSet, '#union' do | |
| it "unions elements of two set" do | |
| set1 = FakeSet.new([1, 2, 3]) | |
| set2 = FakeSet.new([3, 4, 5]) | |
| expect(set1.union(set2).data).to eq [1, 2, 3, 4, 5] |
| # filename spec/fake_set_spec.rb | |
| require 'spec_helper' | |
| require 'fake_set' | |
| describe FakeSet, '#union' do | |
| set1 = FakeSet.new(1, 2, 3) | |
| set2 = FakeSet.new(3, 4, 5) | |
| expect(set1.union(set2)).to eq FakeSet.new(1, 2, 3, 4, 5) |
| def nav_link_to(link_text, link_path) | |
| class_name = current_page?(link_path) ? 'selected' : '' | |
| content_tag(:li, class: class_name) do | |
| link_to link_text, link_path | |
| end | |
| end |