Why software architecture really matters

Bottom line is, there isn’t such a thing as spending too much time on software architecture. A well-designed solution is worth thousands of hours. Why software architecture matters.

How to Use Stripe in Ruby on Rails App

Hanami v1.3.0

Switch to RSpec, deprecations, minor enhancements, and bug fixes. New Guides website and new team member. From now on, our focus will be for 2.0. We’ll deeply integrate DRY & ROM.

Rails 5.2 adds DSL for configuring Content Security Policy header

Webpacker can’t find application.js in public/packs/manifest.json error

Debugging silently failing compilation aka Webpacker can’t find application.js in public/packs/manifest.json.

csvreader v1.1.0 - adds records with fixed width fields (fwf) and no separator :-)

Hello, I’ve added the CSV with meta data (front matter) block in YAML (CSVY) format and the “classic” fortran-style fixed width fields (FWF) with no separator in the latest csvreader library / gem update. Use: Csv.fixed.parse( ..., width: [8,8,32,14] ), for example, for the new flavor or Csv.meta to get the (optional) meta data block in the CSV v1.0 “The Right Way” format / flavor. Happy data wrangling with ruby. Cheers. Prost. PS: If you want to see other CSV flavors / dialects / formats / variants included, please tell.

"Ruby on Rails is slow"

Too frequent a complaint, but I see why: Rails makes it easy to be lazy.

describe v0.1.0 - A small command line dictionary

https://rubygems.org/gems/describe and https://github.com/cybcafe/describe [more inside]

How to: Execute RSpec in parallel locally

Local, parallel spec execution, right here, right no (before upgrades to Rails 6) 🏎️💨Just watch out to not cook your notebook 🔥 This is where desktops shine :-) 👉

Meet Yabeda: Modular framework for instrumenting Ruby applications

Introducing Yabeda (Russian for “tattletale”)—a family of gems based on the extendable framework that makes collecting metrics from Ruby applications and exporting them to datastores such as Prometheus easier than ever before. Rails, Sidekiq, and Prometheus are supported out of the box, more integrations are coming, hopefully with the help from the community.

How does Devise keep your passwords safe?

A brief explanation on how Devise alongside Bcrypt store passwords safely.

New AppPerf Feature - Latency Bands

Hey everyone. Just wanted to share an update that I made to AppPerf (open source application performance monitoring tool). I added a new feature call Latency Bands that tries to combine histograms counts of latencies and percentiles of latencies into a single graph to help identify issues more quickly. You can read about it here: [more inside]

tty-config v0.3.0

The latest release of tty-config adds support for binding settings to environment variables, adding a custom setting aliases, reading and writing INI type files formats which are often used for holding environment configuration variables. Enjoy!

Mining for Gold Using the World's #1 and Most Popular Data Format (w/ Ruby)

Hello, the talk notes from yesterday’s Vienna.rb meetup titled Mining for Gold Using the World’s #1 and Most Popular Data Format (w/ Ruby and CsvReader). Happy data wrangling / mining with Ruby. Cheers. Prost. PS: The talk slides from the 2nd talk titled Designing HexaPDF: Iterarative Design, Orthogonality and Other Design Tools by Thomas Leitner

Livestreaming from Phusion HQ: adding a major feature to Passenger

November 1st Passenger creator Hongli Lai will be livestreaming the implementation of a major feature in the app server. Implementing ‘generic language support’ seemed like the opportune moment to show how Passenger is architected and how we approach writing (C++) code:

Spok: a gem for dealing with workdays and restdays in an easy way

Spok is a tool for dealing with workdays and restdays in an easy way. It also provides functionalities for working with periods of dates. [more inside]

Why the ruby community encourages Duck Typing

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

How to Speed up Your Tests without Touching the Code

I wanted to share an interesting discovery. If you’re using Capybara then you might be able to speed up your tests considerably (5 times in my case) by moving the database to tmpfs. I wrote an article showing how: . The same technique should work in other frameworks (and languages) as long as you don’t wrap test cases in transactions to clean up after them.

`ActiveSupport::StringInquirer` magic

Did you know that ActiveSupport::StringInquirier class is a part of Ruby on Rails codebase? I didn’t. It gives String objects magic powers :-) [more inside]

Open source SEO platform on Rails

The HateFreeWeb.org just open sourced a new SEO platform that detects hate speech, phishing scams, E-mails that where exposed in hacks, accessibility issues, mobile issues and more. As we thought “you are who you link to” (and Google thinks so too!), we pay special attention to problems on sites you are linking to. This means that if you link to a site that has phishing links on it, you enable crimes without knowing it. It’s a very useful tool for web designers, software developers and every business that runs a website. It’s all on GitHub! Happy forking and let’s make the Internet a safer place:)

Create a maintainable and scalable search in your Rails apps

Search is quite a common problem in any app. The main issue is that search has to evolve over time to allow the users to refine their results based on your ever-evolving data. [more inside]

Rails 5.2 disallows raw SQL in dangerous Active Record methods

Hello, I’ve published the that will guide you how we can prevent SQL injections in Rails.

tabreader library / gem v1.0 - read in tabular datafiles in text in the TAB format

Hello, I’ve published the tabreader library / gem version 1.0 that lets you read in tabular datafiles in text in the tabular (TAB) format. Use Tab.parse or Tab.read or Tab.foreach or Tab.open or Tab.new. Or with headers (column names in the first row) use TabHash.parse or TabHash.read and so on. Yes, tabreader uses "1\t2\t3".split( "\t" ) for parsing :-). Happy data wrangling with ruby. Cheers. Prost. PS: The FAQ in the README includes: Q: Why NOT use Csv.read( sep: "\t" )? ++ Q: What’s the tabulator (TAB) format? ++ Q: Why tab? ++ Q: Why NOT tab?

How to move from ActiveRecordSerializers to Fast JSON API

As the ActiveRecordSerializers Gem is not used anymore, it’s nice to have a replacement. Here I describe How to move from one gem to another. [more inside]

How to Use the Ruby Grep Method

Discover how to use Grep to filter enumerable objects in interesting ways!