AppSignal helps teams build better applications. We track errors and performance, monitor hosts and offer a metrics platform. Our blog features news, product updates and articles from our team. If you are interested in contributing to our blog or have an article idea, send us a message!
By Elvio Viçosa Jr on
The second part of the "ActiveRecord vs. Ecto" series, in which Batman and Batgirl fight over querying databases and we compare apples and oranges.
read moreBy Tom de Bruijn on
We've improved the navigation to help you focus on different tasks and to make it easier to find the data you need.
read moreBy Benedikt Deicke on
Even classes are objects in Ruby. In this edition of Ruby Magic, we'll look at class-level instance variables by creating a module for wrapping an object's methods.
read moreBy Elvio Viçosa Jr on
In part one of this two-part series, we'll compare ActiveRecord and Ecto by looking at how they handle database schemas and migration.
read moreBy Tom de Bruijn on
We'll look into difference between explicit casting and implicit coercing in Ruby, and the difference between typecasting Leonard Nimoy and Michael Keaton.
read moreBy Jeff Kreeftmeijer on
OTP uses applications to package code into units or components. In this edition of Elixir Alchemy, we'll learn about how Elixir applications are used, configured and compiled.
read moreBy Joyce Echessa on
In this article, we'll refresh your knowledge by looking at the differences between #nil?, #empty?, #blank? and #present? in Ruby and Rails.
read moreBy Jeff Kreeftmeijer on
In Ruby Magic we love to dive into the magic behind the things we use every day to understand how they work. In this edition, we’ll explore the differences between blocks, procs and lambdas.
read moreBy Peter Ohler on
In this episode of AppSignal Academy, we'll dive into real time updating and toy around with building a minimal WebSocket server to look at how it works under the hood.
read moreBy Miguel Palhas on
In this episode of Elixir Alchemy, we’ll explore the use of Lists and Tuples in Elixir. We’ll take a look at how each of these data structures is used and see when it’s appropriate to use either one over the other.
read moreBy Tom de Bruijn on
In this article, we'll take a look at how Rails collection caching works and how we can use it to speed up large collection rendering.
read moreBy Tom de Bruijn on
We've released the AppSignal for Ruby version 2.7.0 which allows longer tag values to be sent, supports more precise values for custom metrics and adds the `working_directory_path` option.
read more
Magicians never share their secrets. But we do. Sign up for our Ruby Magic email series and receive deep insights about garbage collection, memory allocation, concurrency and much more.