FridayHug.com http://fridayhug.com
The Smallest Rails App http://thesmallestrailsapp.com
%w(action_controller/railtie coderay).each &method(:require)
Vanja Radovanović elvanja
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| gem 'pg' | |
| group :development do | |
| gem 'ruby-debug' | |
| end | |
| gem 'rake', '~> 0.8.7' | |
| gem 'devise' | |
| gem 'oa-oauth', :require => 'omniauth/oauth' | |
| gem 'omniauth' | |
| gem 'haml' | |
| gem 'dynamic_form' |
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| source :gemcutter | |
| gem 'goliath', :git => 'git://github.com/postrank-labs/goliath.git' | |
| gem 'em-synchrony', :git => 'git://github.com/igrigorik/em-synchrony.git' |
coreyhaines
/ .rspec
Last active
August 15, 2024 15:13
Active Record Spec Helper - Loading just active record
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| --colour | |
| -I app |
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| # MOTIVATION: As rails apps are growing, people are noticing the drawbacks | |
| # of the ActiveRecord pattern. Several apps I have seen, and several | |
| # developers I have spoken to are looking towards other patterns for object | |
| # persistence. The major drawback with ActiveRecord is that the notion | |
| # of the domain object is conflated with what it means to store/retrieve | |
| # it in any given format (like sql, json, key/value, etc). | |
| # | |
| # This is an attempt to codify the Repository pattern in a way that would | |
| # feel comfortable to beginner and seasoned Ruby developers alike. | |
| # |
terryjray
/ gist:3296171
Created
August 8, 2012 15:55
Enabling hstore for new postgresql 9.1 and rails 3 install on ubuntu 12.04
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| RAILS_ENV=production rake db:setup | |
| # produces the error below.....hmmm.....it's a no-worky | |
| psql:/yourprojectpath/yourproject/db/structure.sql:29: ERROR: could not open extension control file "/usr/share/postgresql/9.1/extension/hstore.control": No such file or directory | |
| # hstore postgresql extension needs to be installed, so.... | |
| sudo apt-get install postgresql-contrib | |
| # now your extension should be available to enable so log in with psql | |
| psql -d yourproject_production -U yourdbuser -W |
rgreenjr
/ postgres_queries_and_commands.sql
Last active
May 14, 2025 00:29
Useful PostgreSQL Queries and Commands
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| -- show running queries (pre 9.2) | |
| SELECT procpid, age(clock_timestamp(), query_start), usename, current_query | |
| FROM pg_stat_activity | |
| WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' | |
| ORDER BY query_start desc; | |
| -- show running queries (9.2) | |
| SELECT pid, age(clock_timestamp(), query_start), usename, query | |
| FROM pg_stat_activity | |
| WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' |
Kafka acts as a kind of write-ahead log (WAL) that records messages to a persistent store (disk) and allows subscribers to read and apply these changes to their own stores in a system appropriate time-frame.
Terminology:
- Producers send messages to brokers
- Consumers read messages from brokers
- Messages are sent to a topic
pboling
/ facebook_throttle.rb
Last active
July 10, 2018 14:47
Facebook API Rate Limit Throttler using Sidekiq, does not execute the job inside the lock, to maintain some semblance of performance, just marks it in a counter, which other jobs from the same queue and using the same token will also update, and which will be throttled. Jobs from other queues will not be able to bust the lock until the timer run…
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| # Mixin to (i.e. include in) any worker class that does FB API calls and should be throttled. | |
| module FacebookThrottle | |
| def perform_throttled(*args, &block) | |
| options = args.extract_options! | |
| user = User.find_by_fb_uid(options[:fb_uid]) | |
| if user | |
| if !user.valid_facebook_token? # A bitwise flag managed by flag_shih_tzu gem | |
| puts "Skipping #{self.class} #{user.fb_uid}: Invalid Oauth Token for #{user}" | |
| return false |
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