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'
Here 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)
pg_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
So 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
UPDATED 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
![Antipattern: Using Ruby's Hash#[]](/blog/content/images/size/w600/2021/03/engineering-hacks-generic-11.png)
#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