Method Arguments in Ruby: Part II

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

Warning.warn is what gets called by Kernel#warn

It is now possible to tell Ruby how to deal with warnings

rufus-scheduler 3.5.0 released: fugit time parsing

The time related string parsing (cron/at/duration strings) got extracted out of rufus-scheduler into a gem named “fugit”. The 3.5.0 version of rufus-scheduler uses fugit and has just been released.

correlation id and causation id in evented systems

Debugging can be one of the challenges when building asynchronous, event-driven apps. Check out how to make your life easier

Passenger 5.3.1 released: crash + spawn hotfix

Version 5.3.1 of the Passenger application server for Ruby, Node.js, Meteor and Python has been released. This release contains two hotfixes for regressions discovered in 5.3.0 a few days ago:

4 Reasons Why I Think Google Cloud Will Take Over Cloud Computing Space

Where do you store your images? Do you want a cheaper alternative to Heroku but feel daunted by the sheer amount of work that needs to be done to migrate to AWS? [more inside]

Ruby class methods syntax

In Ruby there are several ways how to define a class method. In this article I’ll go trough 4 major ways and explain what class methods really are. [more inside]

A recap about the Hamburg Ruby Unconf

Our Ruby developers attended this year’s Ruby Unconf in Hamburg. Check out what it was like here 👉🏻

Ruby devscoop: Issue #11

Big performance improvement for ordinal generation! The power of benchmarks-oriented solutions ! see more

Adding GDPR Compliance to My Rails App and Technical Blog

New data privacy GDPR EU regulations are going live in less than two weeks. In this blog post, I will describe actions I took to add GDPR compliance to my Ruby on Rails SAAS app and this blog itself. [more inside]

Functional Programming in Ruby - Flow Control

How do you deal with the flow of data through your application without resorting to exceptions everywhere? -

Functional Programming in Ruby - Closures

Closures are a common piece in FP, how do we leverage some of those ideas in Ruby? -

A Simple Regex Language compiler for Rubyists

The srl_ruby gem packs with its latest version 0.4.0 a compiler that transforms text patterns expressed in SRL into plain Ruby Regexps. The Simple Regex Language (SRL) allows to easily design and write highly readable text patterns without being a regular expression guru. The srl2ruby compiler even has the option to output both original SRL and its Regexp counterpart so that they can be inserted together in one place in your Ruby source code, easing further the maintenance… Interested? Take a look at the project’s README or give the srl_ruby gem a try.

Functional Programming in Ruby - State

State goes beyond immutability, find out how to use this to make more flexible Ruby apps:

InvoicePrinter 1.2 released with bundled server

Print your PDF invoices from any tech stack thanks to the new InvoicePrinter Server. Read the announcement.

An Introduction to Event Sourcing for Rubyists

Video here: https://skillsmatter.com/skillscasts/11903-an-introduction-to-event-sourcing Slides here: https://speakerdeck.com/mottalrd/an-introduction-to-event-sourcing-for-rubyists Code here: https://gist.github.com/mottalrd/52a99a0a67275013df5a66281a4a1b11 Event sourcing is a design pattern to build applications that are domain centric and easy to extend. The pattern is based on the usage of a persistent event log which substitutes the more classical relational database model for Rails applications.

Check out RubyRef

Easier navigation to Ruby documentation by use of subdomain redirects.

Ruby memoization with Singleton methods

Yuki & Moto Press - Programming Blockchains Step-by-Step from Scratch (Zero) in Ruby

Hello, I’ve added a new free (online) book to the Yuki & Moto Press Bookshelf. Let’s welcome: Programming Blockchains Step-by-Step from Scratch (Zero) in Ruby. Starting with Crypto Hashes… The contents includes: (Crypto) Hash - (Crypto) Block - (Crypto) Block with Proof-of-Work - Blockchain - Blockchain Broken? - Timestamping - Mining, Mining, Mining - Bitcoin, Bitcoin, Bitcoin - (Crypto) Block with Transactions (Tx) - References / Links. Note: The manuscript source includes many single-file ruby script samples. Happy mining and blockchaining with Ruby. PS: Did you know? You can build online books and bookshelves with ruby - use the jekyll machinery with octobook themes

A pure ruby TensorFlow implementation

This is a pure ruby TensorFlow implementation with plans to add SciRuby and OpenCL support. This is not a wrapper to tensorflow and is a standalone implementation. [more inside]

Method Arguments in Ruby: Part I

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

Simple gem with a list of professions

Profession is a simple gem with a list of professions (over 1000), for matching and parsing professions in a large body of text. For instance, this was helpful for parsing out Wikipedia articles for a little school project for my kids. Feel free to add more occupations to the list.

How to create a video upload service in Rails - Part I

I’ve finally gotten around to bringing my blog back to life. I wanted to start writing a series piggy backing on a small project I was doing in my spare time, so I started with the first post, which starts off with a basic Rails site capable of uploading and watching videos. Simple stuff. I will continue to expand on this, adding some more fun features. Hopefully its enjoyable. [more inside]

Bits & Blocks Press Bookshelf - Build (Online) Books w/ Jekyll and Octobook Themes

Hello, using jekyll (and github pages) with (remote) octobook themes you can build (online) books from your text w/ markdown formatting. See the latest real-world open-source / open-access example - Bits & Blocks Press Bookshelf (Source) - Free Books about Bitcoins, Blockchains, Contract Scripts ‘n’ More. Happy publishing w/ Jekyll and Octobook themes.

Rails Testing Antipatterns: Models

Learn about common antipatterns in writing tests for Rails applications when testing models: