I recently noticed that better_errors allows you to to open files from within your favorite editor. However it was...

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...

tl;dr asdf allows you to manage multiple runtime versions with a single CLI tool and is backwards compatible by...

tl;dr The strict-dynamic source list keyword allows you to simplify your CSP policy by favoring hashes and nonces...

In Ruby on Rails ActiveRecord::Relation#merge overwrites existing conditions on the same column. This may cause the relation to...

To navigate between test and test subject Rubymine requires you to set the test root sources as Test Sources Root...

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

We will achieve this by creating a block accepting method to optionally create and then lock a .lock File of...

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

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...

Sometimes I ran across a GitHub merge request of a gem where it was not completely obvious in which version...

Using ActiveRecord's #signed_id and .find_signed methods you can create URLs that expire after some time. No conditionals...

We usually rely on VCR and WebMock to prevent any real network connection when running our unit tests.

The cards editor has a feature "Cite other card" to create links to other cards in the same deck as...

You have some SVG files you want to use as icons on your website. How would you embed them?

In esbuild, you usually import other files using relative paths: import './some-related-module' import `../../utils/some-utility-module` import `../../../css/some-css.sass` This is totally fine...

tl;dr The Chrome DevTools are a neat collection of tools for the daily work as a web developer. If...

TLDR: sass >= 1.35.0 has the option quietDeps and silenceDeprecations to silence deprecation warnings from dependencies. quietDeps: If true, the compiler...

Git allows you to set push options when pushing a branch to the remote. You can use this to build...

Unpoly's [up-observe], [up-autosubmit] and [up-validate] as well as their programmatic variants up.observe() and up.autosubmit...

tl;dr git checkout is the swiss army of git commands. If you prefer a semantically more meaningful command for...