Ruby On Rails

Tutorials

Compiling latest Ruby from scratch with chruby

Compiling latest Ruby from scratch with chruby Since chruby officially does not support compiling latest Ruby (HEAD), here are the steps necessary to do it.Current HEAD version of Ruby is 2.8.0dev, so that's the version being compiled in this example. The only thing necessary for your custom c...

Converting Unix epoch timestamps to Ruby objects

Converting Unix epoch timestamps to Ruby objects This timestamp is the number of seconds that have elapsed since the Unix epoch, that is the time 00:00:00 UTC on 1 January 1970, minus leap seconds. In Ruby, if we want to get unix time for current time, it is very easy.

Benchmarking Ruby 2.7.0's Numbered Parameters

Benchmarking Ruby 2.7.0's Numbered Parameters Ruby 2.7.0 added numbered block parameters. There was some controversy which resulted in the initial syntax of @n changing to _n. I like the change.This is what it looks like:.

Hanami::API on Amazon AWS Lambda

Hanami::API on Amazon AWS Lambda Today, we’re gonna deploy a small service on Amazon AWS Lambda. It’s an Amazon AWS product that allows to deploy an autoscaling HTTP service. You are charged for every 100ms your code executes and the number of times your code is triggered. Having...

Ruby 2.7 introduces numbered parameters as default block parameters

Ruby 2.7 introduces numbered parameters as default block parameters Ruby 2.7 introduces a new way to access block parameters. Ruby 2.7 onwards, if block parameters are obvious and we wish to not use absurd names like n or i etc, we can use numbered parameters which are available inside a block by default.We can us...

Rubynetes: reflecting with OpenAPI

Rubynetes: reflecting with OpenAPI In the last part of this blog series we used OpenAPI to create a typed Kubernetes manifest that will raise exceptions if you use incorrect attributes. This cuts down on the amount of testing required, but we now have to remember the names of all t...

Pending cops in Rubocop to make upgrade easier

Pending cops in Rubocop to make upgrade easier Whenever a new version of Rubocop comes out, there are always some new cops. If our code is not compatible with new cops, then the rubocop build fails. With every new release, we have to spend time to make our code compatible with the new cops. We...

How to test static sites with RSpec, Capybara, and Webkit

How to test static sites with RSpec, Capybara, and Webkit Automated tests are not only good for dynamic code. You can (and probably should) test your static web sites as well. Here is an example of me testing the Fedora Developer website using Ruby, RSpec and Capybara.First, let’s briefly stress out why ...

AWS Lambda now supports Ruby 2.7

AWS Lambda now supports Ruby 2.7 You can now develop your AWS Lambda functions using Ruby 2.7. Start using this runtime today by specifying a runtime parameter value of ruby2.7 when creating or updating Lambda functions.

Ruby on Rails Development with VS Code

Ruby on Rails Development with VS Code I tried several editors when I first got into programming, but VS Code quickly stuck. For the past three years, I have been continually updating my VS Code settings, extensions, keybindings, and snippets to help me be as productive as my diehard V...

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