The recommended additional setup of the spreewald gem, a useful set of cucumber steps, includes adding a file for defining...

Browsers can auto fill-in one time codes if advised. Use it like this: Demo: https://twitter.com/sulco/status/1320700982943223808 Browser support...

github.com

For my computer science bachelor's thesis I programmed and evaluated a CLI Test Case Prioritization (TCP) tool for makandra...

If you want to collapse/expand elements with dynamic content (and thus unknown height), you can not transition between height: 0...

TL;DR: Grid elements have min-width: auto in a 1fr column, which may lead to overflows. With minmax(0...

Note: You won't need this for single lines of text. In this case it is better to just use...

Using querySelector or querySelectorAll in JavaScript, you can easily find descendants of a node that match a given selector.

makandra dev

We have a long-standing checklist for merge requests. However, it hardly matches the intricate requirements for design. This checklist...

Code splitting is a feature of esbuild that can keep huge libraries out of the main bundle. How code splitting...

When you are using the default MIME-Type configuration and your application allows uploading files, it can be a security...

adactio.com

Web forms can be made much more usable with a few HTML attributes. Short summary: type: Tells browsers about the...

When you allow file uploads in your app, a user might upload content that hurts other users. Our primary concern...

Rack::SteadyETag was a Rack middleware that generates the same default ETag for responses that only differ in XOR-masked...

Every Rails response has a default ETag header. In theory this would enable caching for multiple requests to the same...

Haml 6 was a major rewrite with performance in mind. To achieve a performance improvement of 1.7x, some design...

Usually you add errors to :base in ActiveRecord, in case no appropriate attribute could be used to add the error...

Maintaining larger projects makes it more difficult to balance refactoring and upgrade tasks according to its actual value. Consider to...

Let's say we have posts with an attribute title that is mandatory. Our example feature request is to tag...

Rails offers the fresh_when method to automatically compute an ETag from the given record, array of records or scope...

github.com

Since Ruby 3.2.0 you can measure coverage support for eval statements and support has been added for the simplecov gem...

When a nginx reverse proxy complains about upstreams sending too big headers, tweaking the buffers responsibly can help to prevent...

makandra dev

This is a checklist I use to work on issues. For this purpose I extracted several cards related to the...

makandra dev

Rails partials have a lot of "hidden" features and this card describes some non-obvious usages of Rails Partials.

Not all email clients support external images in all situations, e.g. an image within a link. In some cases, a...