zulhfreelancer

If you get error like this:

Running via Spring preloader in process 7662
/Users/zulh/.rvm/gems/ruby-2.3.1@useradmin/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:274:in `require': dlopen(/Users/zulh/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/x86_64-darwin15/readline.bundle, 9): Library not loaded: /usr/local/opt/readline/lib/libreadline.6.dylib (LoadError)
  Referenced from: /Users/zulh/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/x86_64-darwin15/readline.bundle
  Reason: image not found - /Users/zulh/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/x86_64-darwin15/readline.bundle
	from /Users/zulh/.rvm/gems/ruby-2.3.1@useradmin/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:274:in `block in require'
	from /Users/zulh/.rvm/gems/ruby-2.3.1@useradmin/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:240:in `load_dependency'
	from /Users/zulh/.rvm/gems/ruby-2.3.1@useradmin/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:274:in `require'

constanceip

Practice Slides:

Slide #1: http://bit.ly/2gS2iBP
Slide #2: http://bit.ly/2g4HGVH
Slide #3: http://bit.ly/2gSd5Mm
Slide #4: http://bit.ly/2fT1j4Q
Slide #5: http://bit.ly/2g5531x
Slide #6: http://bit.ly/2fX1Zku
Slide #7: http://bit.ly/2g5d0nb
Slide #8: http://bit.ly/2gZu23U

yeyewangwang

Freenode IRC

Connect

/server chat.freenode.net

Nick

wvengen

Finding a Ruby memory leak using a time analysis

When developing a program in Ruby, you may sometimes encounter a memory leak. For a while now, Ruby has a facility to gather information about what objects are laying around: ObjectSpace.

There are several approaches one can take to debug a leak. This discusses a time-based approach, where a full memory dump is generated every, say, 5 minutes, during a time that the memory leak is showing up. Afterwards, one can look at all the objects, and find out which ones are staying around, causing the

nocturnalgeek

@binkmail.com
@bobmail.info
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@devnullmail.com
@letthemeatspam.com
@mailinater.com
@mailinator.net
@mailinator2.com
@notmailinator.com
@reallymymail.com

etagwerker

[{"group": "A", "number": "1", "time": "Thu Jun/12/14 17:00","local": "Brazil", "visitor": "Croatia", "city": "Arena de São Paulo, São Paulo", "timezone": "UTC-3"},
{"group": "A", "number": "2", "time": "Fri Jun/13/14 13:00","local": "Mexico", "visitor": "Cameroon", "city": "Estádio das Dunas, Natal", "timezone": "UTC-3"},
{"group": "A", "number": "17", "time": "Tue Jun/17/14 16:00","local": "Brazil", "visitor": "Mexico", "city": "Estádio Castelão, Fortaleza", "timezone": "UTC-3"},
{"group": "A", "number": "18", "time": "Wed Jun/18/14 18:00","local": "Cameroon", "visitor": "Croatia", "city": "Arena Amazônia, Manaus", "timezone": "UTC-4"},
{"group": "A", "number": "33", "time": "Mon Jun/23/14 17:00","local": "Cameroon", "visitor": "Brazil", "city": "Brasília", "timezone": "UTC-3"},
{"group": "A", "number": "34", "time": "Mon Jun/23/14 17:00","local": "Croatia", "visitor": "Mexico", "city": "Recife", "timezone": "UTC-3"},
{"group": "B", "number": "3", "time": "Fri Jun/13/14 16:00","local": "Spain", "visitor": "

fielding

require "net/http"
 
class ProxyApp
  def call(env)
    begin
      request = Rack::Request.new(env)
      headers = {}
      env.each do |key, value|
        if key =~ /^http_(.*)/i
          headers[$1] = value

jcasimir

require 'csv'

module Exporter
  DEFAULT_EXPORT_TABLES = [ Invoice, InvoiceItem, Item, Merchant, Transaction, User ]
  DESTINATION_FOLDER = "tmp/"

  def self.included(klass)
    klass.extend ClassLevelMethods
  end

jimbojsb

Step 0:

Get Homebrew installed on your mac if you don't already have it

Step 1:

Install highlight. "brew install highlight". (This brings down Lua and Boost as well)

Step 2:

mgreenly

RSpec.configure do |config|
  
  config.before(:suite) do
    ActiveRecord::Base.establish_connection database['one']
    DatabaseCleaner.strategy = :deletion
    ActiveRecord::Base.establish_connection config.database['two']
    DatabaseCleaner.strategy = :deletion
  end

  config.before(:each) do