The Honeybadger Developer Blog
Tutorials, product info, and good advice from the Honeybadger crew.
Mixing code and data in Ruby with DATA and __END__
Did you know that Ruby provides a way for your script to use its own source file as a source of data? It's a neat trick that can save you some time when writing one-off scripts and proofs of concept. Let's check it out!
-
By Starr Horne
- Aug 19, 2015
Associative arrays in Ruby...what?
Have you ever had a bunch of data in an array, but needed to do a key/value lookup like you would with a hash? Fortunately, Ruby provides a mechanism for treating arrays as key-value structures. Let's check it out!
-
By Starr Horne
- Aug 18, 2015
How I hacked a fitness tracker to wake me - but not my wife - when I get paged
The only thing worse than getting paged in the middle of the night is to also wake up your partner. In this post I show you how you can set up a fitness tracker wristband to silently wake you up the next time you get paged.
-
By Starr Horne
- Aug 17, 2015
Using lazy enumerators to work with large files in Ruby
Files are just large collections of lines or characters. Lazy enumerators make it possible to to some very interesting and powerful things with them.
-
By Starr Horne
- Aug 10, 2015
Benchmarking exceptions in Ruby - yep, they're slow.
Just how much slower are exceptions than other flow control mechanisms? In this post we use a simple benchmark to find out.
-
By Starr Horne
- Aug 6, 2015
Honeybadger now supports causes / nested exceptions
Ruby 2.1 and later support nested exceptions via the Exception#cause method. Now you can view these for any error reported to Honeybadger. This post gives a brief introduction to exception causes in Ruby, and shows you what they look like in the Honeybadger UI.
-
By Starr Horne
- Aug 5, 2015
How to raise any object as a Ruby exception
It's a common misconception that the raise method only accepts exceptions as its argument. This post will show you how you can raise ANYTHING, including numbers, dates, and your own custom classes.
-
By Starr Horne
- Aug 4, 2015
How Rails' fancy exception page works
One of the nice things about working with rails is that when something goes wrong in development, you get a really nice error detail page. Today we're going to take a look at how these fancy error pages work.
-
By Starr Horne
- Aug 3, 2015
How to clear all Sidekiq queues, using the power of emoji
It’s easy to find code snippets that will delete the jobs from one Sidekiq queue. But we have lots of queues. I want to clear the jobs from all of them. After a little digging, I came up with an answer that seems to work well.
-
By Starr Horne
- Jul 28, 2015
Use any C library from Ruby via Fiddle - the Ruby standard library's best kept secret.
Fiddle is a little-known module that was added to Ruby's standard library in 1.9.x. It allow you to interact directly with C libraries from Ruby. In this post we'll start with some simple examples and finish by using termios to talk to an arduino over a serial port.
-
By Starr Horne
- Jul 27, 2015
