CodeMirror
CodeMirror is a JavaScript component that provides a code editor in the browser. When a mode is available for the language you are coding in, it will color your code, and optionally help with indentation.
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The TCF 2.0 (Tranparency and Consent Framework) standard, and what you should know about it
The Interactive Advertising Bureau (IAB) is a European marketing association which has introduced a standard how advertising can be served to users in line with the General Data Protection Regulation (GDPR). This standard ...
The JavaScript Object Model: Prototypes and properties
Speaker today is Henning Koch, Head of Development at makandra.
This talk will be in German with English slides.
Introduction
As web developers we work with JavaScript every day, even when our backend code uses anothe...
Upgrading Cucumber and Capybara to the latest versions available for Rails 2
Specify these gem versions in your Gemfile:
gem 'cucumber', '~> 1.3.0'
gem 'cucumber-rails', '= 0.3.2' # max version for Rails 2
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gem 'mime-types', '< 2' # dependeny of capybara
...
JavaScript: Testing whether the browser is online or offline
You can use the code below to check whether the browser can make connections to the current site:
await isOnline() // resolves to true or false
Limitations of navigator.onLine
While you can use the...
Jasmine: Reset the location when testing code that uses pushState / replaceState
When testing code that uses pushState / replaceState, your browser will appear to navigate away from http://localhost:3000/specs (or wherever you run your Jasmine tests). This is inconvenient, since reloading the document will no longer re-run t...
When I give a button and a link the same styles, why is the link one pixel higher?
It's not logical, so don't be too hard on yourself. You need to give it a height and change the box-sizing and display:
button
input[type="reset"],
input[type="button"],
input[type="submit"],
input[type="file"] > input[typ...
How to resize your boot partition when there is an encrypted partition after it
Boot partitions from installations prior to the 16.04 era are terribly small. When you install updates and encounter errors due to a full /boot partition, consider risizing it.
If you can't do the steps described below, ask someone experienced ...
Using Low-Level Prompts for High-Accuracy AI Coding
The key to unlocking the full potential of LLMs in coding lies in crafting precise prompts. The main challenge is learning how to structure prompts effectively to gui...
What is a reduction and why Fibers are the answer for Ruby concurrency | julik live
The linked article provides a good overview of the various concurrency primitives in Ruby, and what's changing in Ruby 3.
ActiveRecord::RecordNotFound errors allow you to query the :name and :id of the model that could not be found
ActiveRecord::RecordNotFound errors provide quite meaningful error messages that can provide some insight on application details. Consider the following:
ActiveRecord::RecordNotFound: Couldn't find Organisation::Membership with 'id'=12 [WHE...