Articles related to Ruby from the team that helps B2C companies build and defend revenue with AI.
There's lot of concern over public objects in S3 buckets. Now Amazon gives you a way to lock down entire buckets - but what if you legitimately have a mix of public and private objects? Ruby script to find public S3 objects First get 2 gems: source 'https://rubygems.org'
Read moreHere are Faraday's contributions to open source that we use every day in production. (beta release) 3rd gen batch processing on k8s: falconeri falconeri is a distributed batch job runner for kubernetes (k8s). It is compatible with Pachyderm pipeline definitions, but is simpler and handles autoscaling, etc. properly. (beta release)
Read morepg_query is a really cool Ruby library that uses Postgres's query parser to give you programmatic access to SQL queries. One thing you can do with it is read a CREATE TABLE statement to map column names to column types: sql = <<-SQL CREATE TABLE example ( my_text
Read moreSo you've got a table with a UUID primary key. How do you search for only 1/4, or 1/8, or 1/128 of it? BETWEEN '00000000-0000-0000-0000-000000000000' AND '3fffffff-ffff-ffff-ffff-ffffffffffff' BETWEEN '40000000-0000-0000-0000-000000000000' AND '7fffffff-ffff-ffff-ffff-ffffffffffff' BETWEEN '80000000-0000-0000-0000-000000000000' AND 'bfffffff-ffff-ffff-ffff-ffffffffffff' BETWEEN 'c0000000-0000-0000-0000-000000000000' AND 'ffffffff-ffff-ffff-ffff-ffffffffffff' And how do you generate those ranges? Here
Read moreUPDATED with fixes from @jeremyevans Going back and forth between ActiveRecord and Sequel can be very confusing... especially because the Sequel documentation assumes that you use "datasets" instead of raw sql. What ActiveRecord Sequel One value ActiveRecord::Base.connection.select_value(sql) DB[sql].get One row as
Read more#post-dont-be-sloppy-with-ruby-env { background-image: url(/blog/content/images/2016/04/circuits.svg); background-repeat: no-repeat; background-position: 50% -600px; background-size: 150%; } This is part of our antipatterns series. Ouch! Updated for 2017! Ask yourself why you're using Hash#[]. It is is a great way to introduce silent bugs into your app. Use Hash#fetch
Read moreThis is part of our cloud security and things that are obvious once you see them series. Duhh... safe! Amazon's explanation of deleting a versioned object and the SDK documentation do not give an example of permanently deleting a versioned object. Here's how to do it: require 'aws-sdk' s3 = Aws:
Read moreThis is part of our cloud security series. Do you have unencrypted S3 objects lying around? Don't! Here's the safe way to retroactively enable server-side encryption: Step 1: Make a backup bucket AWS management console is easiest. Call it [my-bucket]-backup. Step 2: Copy one way require 'aws-sdk' s3 = Aws:
Read moreThis is part of our antipatterns and cloud security series. Per an official Ruby CVE in 2013: JSON.load should never be given input from unknown sources. If you are processing JSON from an unknown source, always use JSON.parse. I feel like that should be shouted from the rooftops.
Read moreThis is part of our antipatterns and cloud security series. Nothing's worse than a data breach, so protect yourself by cleaning up your gists—both public and private. git clone https://github.com/faradayio/gistkiller.git cd gistkiller bundle install ruby gistkiller.rb The first time you run it, it
Read more