This is useful if, for example, you want to use a background-image that has to scale with the width...
This card will show you how to use git rebase --onto without confusion. Use case: You've got two feature...
You can use gem list to list all gems available from a remote gem server: gem list -r --clear-sources...
Ruby's standard library is in the process of being gemified. It will soon - Ruby 2.5 - consist of RubyGems, which...
TLDR: Browser implementations of HTTP/2 push are horrible. You might end up with worse performance than without pushing. However, the...
Middleman is a static page generator that brings many of the goodies that Rails developers are used to.
Separate subject from body with a blank line Limit the subject line to 50 characters (max. 72), include reference (unique...
In modern default RSpec configurations, your tests are usually run in random order. This helps to detect "flickering" tests that...
In case you want to require a gem, that is not in the Gemfile of you bundle and therefore not...
Solved with flexbox is a collection of css problems which were hard or impossible to solve without flexbox: Better, Simpler...
RubyMine provides a visual tool for resolving merge conflicts locally. Follow Git > Resolve Conflicts in the context menu to open...
Luckily, this is simple. Just install three packages: sudo apt install ipheth-utils libimobiledevice-dev libimobiledevice-utils
Imagine the following HTML structure, where the scrolling container has overflow-y: scroll: +--scrolling container+-+ | | | +-child element+----+ | | | ++iframe++ | | | | | | | | | | | | | | +-----------------------+ | | | | <-- actually cut...
When you load a dump for development, records may reference images that are not available on your machine.
RubyMine allows bookmarking lines of code. This is super-helpful when working on a complex problem. I've been using...
Some pseudo-elements need to be addressed with vendor prefixes. E.g. ::selection is not supported by Firefox, you need to...
Sass lets you easily specify multiple selectors at once like this: .some-block &.has-hover, &:hover outline: 1px solid red...
Sometimes you want/have to send specific http(s) requests. You can do that easy with curl or just write the...
For the initial setup or changes in the sentry reporting it might be useful to enabled reporting of sentry in...
iOS Safari tries to be helpful and enlarges some(!) texts when you turn to landscape mode. In precise CSS building...
You can start vim with a read-only option. This prevents making accidentally changes in files you don't want...
Barby is a great Ruby gem to generate barcodes of all different sorts. It includes support for QR codes via...
git command line options for automating common rebasing tasks, like adding a fix to a commit that was already rebased...
The maximum version of Internet Explorer you can have depends on your version of Windows. E.g. Windows 7 users can...