Usually, design development starts with drafts, sketches and prototypes. These are reviewed, refined and iterated until the final design is...

makandra dev

In a Jasmine spec you want to spy on a function that is imported by the code under test. This...

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

By default subscript ( ) and superscript ( ) tags are styled with vertical-align: sub, respectively vertical-align: super by most browsers.

Usually, Unpoly compiler destructors are returned from the compiler function. However, when using async compiler functions, you can not register...

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 You should decouple migrations from models by embedding models into the migration. To use STI in this scenario...

Jasmine specs for the frontend often need some DOM elements to work with. Because creating them is such a common...

Jasmine specs that work with DOM elements often leave elements in the DOM after they're done. This will leak...

tl;dr In Chrome DevTools in the Layouts tab you have handy options to debug CSS Flexbox and Grid. Including...

drafts.csswg.org

While in CSS zero is usually referenced without specifying a unit (e.g. padding: 0), you must not use a unitless...

makandra dev

If you're frequently switching between projects, you might be annoyed by RubyMines behavior of opening the last project on...

This can happen with a very simple model: class Note has_many :attachments end Everything looks normal: Note.all.to_a.size # => 8 Note.all.ids.size...

Large Rails projects tend to define multiple custom ways to format Dates or DateTimes. This often leads to duplicated format...

When writing a Sass function, you may run into an error message that may be confusing: @function rules may not...

tl;dr In Chrome DevTools in the Sources tab you can activate Event Listener Breakpoints for debugging events. Example

tl;dr In Chrome DevTools in the Elements tab or in Firefox in the Inspector tab you can right click...

If you're experiencing that your bundle install command fails with an error message like this, rubygems.org might...

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

tl;dr Since Rails 7+ you can use ComparisonValidator for validations like greater_than, less_than, etc. on dates, numerics...

Ncdu is a disk usage analyzer with an ncurses interface. It is designed to find space hogs on a remote...

You can use ETags to allow clients to use cached responses, if your application would send the same contents as...