hopsoft

# lib/tasks/db.rake
namespace :db do

  desc "Dumps the database to db/APP_NAME.dump"
  task :dump => :environment do
    cmd = nil
    with_config do |app, host, db, user|
      cmd = "pg_dump --host #{host} --username #{user} --verbose --clean --no-owner --no-acl --format=c #{db} > #{Rails.root}/db/#{app}.dump"
    end
    puts cmd

cecilemuller

How to setup Let's Encrypt for Nginx on Ubuntu 18.04 (including IPv6, HTTP/2 and A+ SLL rating)

---

Virtual hosts

Let's say you want to host domains first.com and second.com.

Create folders for their files:

MarkMurphy

Example Usage

Users

id	name
1	Jane
2	Max
3	John
4	Scott

nbulaj

# spec/rails_helper.rb or spec/spec_helper.rb
# ...
# require custom matchers from the "support" directory:
Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }

# -----

# support/matchers/be_success.rb
RSpec::Matchers.define :be_success do
  match do |actual|

davydovanton

Давай представим ситуацию, когда тебе, в зависимости от какой-то логики нужно вернуть данные разного типа, например есть такая функция:

def function(foo, bar)
  result = if foo > bar
    10
  else
    "wrong"
  end
end

cheeaun

RedDotRubyConf 2017 links & resources

📆 Jun 22-23, 2017

🌏 Web site: http://reddotrubyconf.com/ Twitter: http://twitter.com/reddotrubyconf

💁 Ping me @cheeaun on Twitter or leave a comment below if you found some awesome stuff for #rdrc2017. This gist will be updated whenever there's new stuff.

🕙 Previously, on RedDotRubyConf...

vojtad

Rendered JSON is ~250 KB in size.

Runtime benchmarks

Warming up --------------------------------------
   render json: data    20.000  i/100ms
render json: data.to_json
                        27.000  i/100ms
render json: ActiveSupport::JSON.encode(data)
                        26.000  i/100ms

tjwallace

Output on Ruby 2.6, MacBook Pro (13-inch, 2017, 3.5 GHz Intel Core i7)

Note: I manually removed some BigDecimal deprecation warnings

Rehearsal ------------------------------------------------
as_json        0.122644   0.000508   0.123152 (  0.123823)
fast_jsonapi   0.184139   0.000829   0.184968 (  0.186195)
grape_entity   0.709880   0.003083   0.712963 (  0.714929)
blueprinter    0.220149   0.004481   0.224630 (  0.225596)

khalilgharbaoui

# Original source: https://gist.github.com/hopsoft/56ba6f55fe48ad7f8b90
# Merged with: https://gist.github.com/kofronpi/37130f5ed670465b1fe2d170f754f8c6
# Benefits of: https://gist.github.com/e12e/e0c7d2cc1d30d18c8050b309a43450ac
# And fixes of: https://gist.github.com/joelvh/f50b8462611573cf9015e17d491a8a92
namespace :db do
  desc 'Dumps the database to backups'
  task dump: :environment do
    dump_fmt   = ensure_format(ENV['format'])
    dump_sfx   = suffix_for_format(dump_fmt)
    backup_dir = backup_directory(Rails.env, create: true)

Goloburda

// Function calls n-times before get '()';

const closureFn = firstArgument => {
  let sum = firstArgument;
  return function callMe(nextArgument) {
    if (nextArgument) {
      sum += nextArgument;
      return callMe;
    }
    return sum;