ignored_removed_columns gem: Find removed or typo columns defined in ignored_columns

Have you forgot to delete ignored_columns in rails model after the column dropped? Or have you made a typo in ignored_columns? This gem finds unused ignored_columns. Read more

Eager loading polymorphic associations

Explaining how to deal with eager loading polymorphic associations as includes doesn’t work as expected:

Introducing WatirPump: a Page Object library for Watir

Using development dependencies from git in your gem

Ruby 2.6 adds support for non-ASCII capital letter as a first character in constant n

Metaprogramming Ruby cheatcheat

In this TIL note you can find several Ruby meta-programming examples: Read more

Ruby Testing Podcast: Continuous Integration, Deployment and Delivery

A conversation with Marko Anastasov about how he got started with programming and testing, as well as Continuous Integration, Continuous Deployment, Continuous Delivery and the difference among the three:

Free update to Everyday Rails Testing with RSpec

I’ve released an update to my book Everyday Rails Testing with RSpec with a brief intro to system specs, some fixes to address breaking changes in Devise and Geocoder, and a few other smaller fixes. As usual, this is a free update for all existing readers—sign into Leanpub to download a fresh copy. Thanks as always for your support!

Why the ruby CSV standard library is broken, broken, broken (and how to fix it)

Hello, I’ve written up an article titled “Why the CSV standard library is broken, broken, broken (and how to fix it)”. Let’s make ruby the best it can be for data wrangling - starting with the humble comma-separated values (CSV) format - the world’s most popular data interchange format in text :-). Questions and comments welcome. Cheers. Prost.

OpenStruct in Ruby

In this article, we’re going to explore the following topics:

Rubyflow

Hi, developers from could you please add a functionality to ignore “Author” of posts. I see a lot of spam here and articles about nothing (many companies just publishing articles to get better SEO). It could be a great feature. Thank you

From Service Objects to Interactors

This article discusses the Interactor gem as a robust implementation of the service object pattern and some suggestions for best practices when using it. Read more

Mastodon instance for Rubyists

You might've heard of Mastodon in the past, and recently there's been an increase in folks leaving Twitter for it. I've set up a Mastodon instance specifically for Rubyists, in the hope that it will help us create some new communities for sharing knowledge and techniques. Read more

csvreader - read tabular data in comma-separated values (csv) format the right way

Hello, I’ve started to put together a new library / gem, that is, csvreader - that lets you read tabular data in the comma-separated values (csv) format the right way :-), that is, uses best practices such as striping / trimming leading and trailing spaces, skipping comments and blank lines, “fixes” quote errors and more - all out-of-the-box with zero-configuration. and, thus, fixes some major bugs in the (old) standard csv library with a purpose-built parser (instead of a suppossed “faster” split(",") kludge). Happy data wrangling with ruby. Cheers. Prost.

Ruby Bitwise Operators

An operator is bitwise when instead of treating integers as whole numbers, it treats them as a sequence of bits. Read more

Migrate your apps to the new community-maintained trix gem: 'trix-rails'

Trix is a very popular gem that implements Basecamp ‘trix’ functionality. Unfortunately support has lapsed for the gem, and the community has launched a new supported gem.

Using Lambdas to Simplify Varying Behaviors in Your Code

This article discusses some techniques I’ve used to incorporate the benefits of functional programming into Ruby. Using enumerables and filters as examples, it shows how using callables such as lambdas can massively simplify the support of varying behaviors. Read more

Carrierwave: How to Avoid Issues with Version Inheritance

Сarrierwave is a popular image upload gem used by the Rails community to upload files to the server. Let’s see how to avoid issues with version inheritance. Read more

Struct in Ruby

In this article, we’re going to explore the following topics:

Spreadsheet Architect v3.1.0 Released!

Version 3.1.0 Spreadsheet Architect has now been released. One cool new enhancement added in this version is the conditional_row_styles option which enables you to create even more dynamic spreadsheets. Check the changelog for more details. https://github.com/westonganger/spreadsheet_architect

Ruby Memory Profiling in Practice

When I only started programming I thought that profiling and optimization is hard. A recent task at work inspired me to write a post with real life cases on how one would deal with memory issues. Hopping that this may be encouraging for someone 😁 Read more

Indexes on Rails: How to Make the Most of Your Postgres Database

Optimizing database queries is arguably one of the fastest ways to improve the performance of the Rails applications. There are multiple ways how you can approach it, depending on the kind of a problem. N+1 queries seem to be a pretty common issue, which is, fortunately, easy to address. However, sometimes you have some relatively simple-looking queries that seem to take way longer than they should be, indicating that they might require some optimization. The best way to improve such queries is adding a proper index. Read more

Learning How To Deploy Rails

This article is about deployment tools when we deploy Rails app such as Nginx, Passenger and Capistrano. It give you a brief introduction of these tools and the common features of them!

Metaprogramming: RUBY HOOK METHODS

Ruby comes with a bunch of hook methods that allow you to manipulate classes, modules and objects on the fly. Read more

How Ruby on Rails Speeds Up the Launch of Your Ecommerce Store

In this article, we review all the existing tools in Ruby on Rails that help developers and business owners launch an ecommerce store within short timeframe and with minimum efforts: