By Justin Gordon Let's take some tangled code and untangle it together! We'll improve some model, controller and view code by applying view concerns, helpers, Draper decorators, presenters, and service objects. In doing so, you'll better understand where and when to use these techniques to make your code DRY'er, simpler, and easier to test. As a bonus, you'll also see how RubyMine with VIM bindings boosts refactoring productivity. Justin, aka @railsonmaui, is freelance Rails programmer and the technical evangelist for RubyMine. Passionately writing software since 1985, and focusing on Rails...

In this step-by-step Seaborn tutorial, you’ll learn how to use one of Python’s most convenient libraries for data visualization. For those who’ve tinkered with Matplotlib before, you may have wondered, “why does it take me 10 lines of code just to make a decent-looking histogram?” Well, if you’re looking for a simpler way to plot attractive charts, then […]

Rails Refactoring Techniques - Concerns | Best Practice on Ruby on Rails | Hire Ruby on Rails developers URL: http://www.agiratech.com/rails-refactoring-techniques-concerns Type: link Domain: agiratech.com

When I first started using Git a while back it seemed pretty straight forward a...

In the past 6 years I’ve worked on web applications in Rails, Clojure, Java and back to Rails. This is an overview of these past years, the benefits of working with such different tech stacks, and also it’s drawbacks.

Great resource

Scikit-Learn Decision Trees URL: http://scikit-learn.org/stable/modules/tree.html Type: link Domain: scikit-learn.org Notes: Useful to remember all the goodies in scikit-learn

A brief look at sklearn.tree.DecisionTreeClassifier URL: https://hackernoon.com/a-brief-look-at-sklearn-tree-decisiontreeclassifier-c2ee262eab9a Type: link Domain: hackernoon.com

Unfortunately, Go lacks a lot of features by design, and sometimes it’s really annoying. Golang was meant to make developing speed faster, but in a lot of situations, you are writing more code than you’d write using other programming languages. I’ll describe 4 Go language criticisms here.

by Jake Lumetta Follow these practical principles to get well-designed microservices boundariesHow to avoid making your microservices too small and tightly coupledPhoto by Erol Ahmed on UnsplashOne of the core benefits of developing new systems with microservices is that the architecture allows developers to build and modify individual components independently.

One in seven vulnerable employees in developed world least likely to be receiving help

Andrew Robinson celebrates the high notes in the mathematician’s inimitable musical oeuvre.

Russian doll caching explained with a code example. By nesting cache fragments, views are almost never rendered completely. Even when the data changes, most of the rendered pages are served straight from the cache.

…the name still sucks, tho

After years of letting algorithms make up our minds for us, the time is right to go back to basics.

Don’t want to read? Try the demo

:zap: From finding text to search and replace, from sorting to beautifying text and more :art: - learnbyexample/Command-line-text-processing

July 27th, 2015 A Path to Services - Part 1 - Start Small microservices, rails, ruby, sidekiq This article was originally posted on the PipelineDeals Engineering Blog The PipelineDeals web …

Documentation URL: https://www.graphviz.org/documentation Type: link Domain: graphviz.org