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AppSignal Blog

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!

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JavaScript Iterators and Iterables

By Adam Yeats on

In our first in-depth post on JavaScript, we take a look at Iterators and Iterables

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Metaprogramming: From C Preprocessing to Elixir Macros

By Miguel Palhas on

Metaprogramming has come a long way since its early days. In this edition of Elixir Alcamy, we'll see how it evolved.

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Last week's Product Improvements (July 15th, 2019)

By Jeroen van Baarsen on

Documentation search, Elixir parameter whitelisting, and more! A list of updates we rolled out the last one and a half week.

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Productive Procrastination for Programmers - works for Ruby and Elixir

By Stefan Verkerk on

It's what we wrote instead of writing that other post. But we don't feel guilty.

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Building the Go Game in Elixir:
Time Travel and the Ko Rule

By Jeff Kreeftmeijer on

Today, we continue with our Go game to add the ability to undo and redo moves and implement Go's ko rule.

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Brewing our own Template Lexer in Ruby

By Benedikt Deicke on

For our dive into templating, we end up writing our own lexer.

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Introducing Incident Context and Incident Notes

By Jeroen van Baarsen on

Today we introduce two improvements to Incident pages: more context and Incident Notes

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Building and Playing the Go Game with Phoenix LiveView

By Jeff Kreeftmeijer on

Today we play the Go game. But we implement it in Phoenix LiveView first.

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The Ultimate Checklist to Properly Internationalize Devise

By Maud de Vries on

The checklist I wish existed when I discovered the complexities of Internationalising Devise

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How We Do VAT for Our SAAS with Stripe

By Thijs Cadier on

By popular demand, here is how we do our invoicing and financial admin for VAT

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Introducing our Clubhouse integration

By Robert Beekman on

Our latest integration lets you create Clubhouse stories from any incident on AppSignal.

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Inside Enumeration in Ruby

By Jeff Kreeftmeijer on

We dive even deeper into enumeration by looking at the internal implementation and implementing our own versions of the `Enumerable` module and the `Enumerator` class.

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