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Predicting the Future With Linear Regression in Ruby

Predicting the Future With Linear Regression in Ruby The world is full of linear relationships. When one apple costs $1 and two apples cost $2, it's easy to figure out the price of any number of apples. But what happens when you have 100s of data points? What if your data source is noisy? That's whe...

Support of Ruby 2.4 has ended

Support of Ruby 2.4 has ended We announce that all support of the Ruby 2.4 series has ended.From the end of March of the last year, the support of the Ruby 2.4 series was in the security maintenance phase. Now, after one year has passed, this phase has ended. Therefore, at Mar...

What is the Ruby Legacy?

What is the Ruby Legacy? 20 years ago there was a little explosion of programming languages. Computer hardware had advanced to the point where it was finally possible to write “serious” programs in what were called, at the time, “scripting languages”. Languages like TCL, ...

`obj.method_name` vs `class << obj`: The Real Difference.

`obj.method_name` vs `class << obj`: The Real Difference. I was looking at some answers on StackOverflow for the difference between Ruby’s self.method_name and class << self. I wasn’t satisfied with the answers. While all the answers did very well at explaining object.method_name and class << object, I f...

Heredocs and how to use them in Ruby and Rails

Heredocs and how to use them in Ruby and Rails Heredoc allows us to specify a string as a block of texts where new lines and indentations are maintained.This is useful in Ruby for various cases like specifying multiline text strings, multiline method dynamic definitions and more.There many way...

A Few of My Favorite Things

A Few of My Favorite Things I love watching the masters at work. Trying to keep up as Rick Harding plows through code in vim, riding along as Sam Jones conducts multiple sessions in tmux, or marveling at Suz Hinton’s setup for live coding inspires me to up my own game and be...

An index route without pagination can destroy your app!

An index route without pagination can destroy your app! Last week I was involved in a problem that started to happen with an internal application.This app is written with Ruby on Rails and it uses Puma as the web server. It has an api which is used by a lot of other important applications.Suddenly, it ...

Why is Rails boot so slow on macOS?

Why is Rails boot so slow on macOS? About a year ago I noticed various benchmarks such as running specs were running abnormally slow on macOS. Noah Gibbs started some basic investigation 8 but did not come up with anything definitive.Since then I crafted a version of Discourse Bench...

Webpacker 5.0 released

Webpacker 5.0 released Webpacker 5.0.1 was released yesterday. The previous release of Webpacker happened in December 2019 which was version 4.2.2. As 5.0 is a major version bump, I decided to see what are the changes from the 4.x series and the 5.x series.

A simple ruby authentication solution.

A simple ruby authentication solution. A simple ruby authentication solution. Contribute to binarylogic/authlogic development by creating an account on GitHub.

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