Speaker today is Henning Koch, Head of Development at makandra. This talk will be in German with English slides.
With puma you can have concurrent requests. There are two concepts on how Puma can handle two incoming requests: Workers...
Simplecov is a code coverage tool. This helps you to find out which parts of your application are not tested...
A recent patch level Ruby update caused troubles to some of us as applications started to complain about incompatible gem...
Turns out, Cucumber::MultilineArgument::DataTable#diff! caches some stuff. Code of the following form will not work as intended:
Embedding videos on a website is very easy, add a tag to your source code and it just works...
We can use ActiveRecord's where to add conditions to a relation. But sometimes our condition is not on the...
Or: How to avoid and refactor spaghetti code Please note that I tried to keep the examples small. The effects...
Root Insurance runs their application as a monolithic Rails application – but they've modularized it inside its repository. Here is...
It's every developer's nightmare: SQL queries that get large and unwieldy. This can happen fairly quickly with the...
coffeescript.org contains only documentation for the latest CoffeeScript version. Version 2 transpiles to ES6. We stopped using CoffeeScript a while...
This collection contains some useful design resources for developers. Many of them were mentioned in the Refactoring UI tutorials.
As an application exists, data accumulates. While you'll be loosely monitoring the main models' record count, some supportive database...
CSS transitions are a simple animation framework that is built right into browsers. No need for Javascript here. They're...
MariaDB (and MySQL) is released in different versions with different behaviors. For backwards compatibility this can be managed with the...
Travis changed their default distribution from Ubuntu 14.04 (trusty) to 16.04 (precise). This might break your test setup for new...
Was ist Elastic? Suchmaschine, basierend auf Apache Lucene größtenteils Open-Source einige kommerzielle Features ("Elastic Stack", früher "X-Pack") Zugriffsrechte...
Tod is a gem for working with daytimes. That's a tuple of (hour, minute second) without a day, month...
When doing some meta-programming magic and you want to do something for all attributes of a class, you may...
Rails' ActiveSupport::TimeWithZone objects have both a timezone code and offset, e.g. Thu, 28 Mar 2019 16:00:00 CET...
When you have a powerful machine with many CPU cores, you might run into an error like
Here is how to make Rome datepicker look like the rest of your Bootstrap 4 application. Rome comes with very...
For searching in large database tables we usually use PostgreSQL's fulltext search capabilities. While this works reasonably well for...
When restoring a PostgreSQL dump using pg_restore, you usually add the --clean flag to remove any existing data from...