Because javascript has something called "Hoisting" which makes your code do things it doesn't look like it should be...
The FUSE project allows you to create filesystems in userspace - which means you can create a filesystem without having to...
Lemonade’s goal as a sprite generator is to be incredible easy to use, so you’ll use ist for...
It turned out this guy was Mark Rein from Epic, although he seemed to assume everyone within earshot knew exactly...
The first thing I need to say, right off the bat: Chinese users will not buy your software. Period. That...
...is something like # WRONG class Page < ActiveRecord::Base %w[main sub].each do |type| belongs_to "#{type}_title" end end # RIGHT class Page < ActiveRecord::Base %w[main sub].each do...
belongs_to :"#{type}_title" end end Always convert to a symbol, otherwise you'll have all kinds of fun. Newer rails / activerecord (at least 5.2) will throw an association...
Flexbox is awesome. Most of it even works in IE11, but flex: 1 won't work reliably in Internet Explorer...
RSpec let's you chain a matcher with .or. The expectation will then pass if at least one matcher matches...
The Rails secret_token must be unique for each application and any instance of it. If not, someone could exploit...
Hint: There's another card with this helper for Cucumber features. Sometimes you feel like you need to stub some...
...however that if your transform only matches a substring (no ^ and $ markers at the beginning and end), you are still expected to return a replacement for the whole string that...
In order to save the original value of a constant, set the new value and restore the old value after...
...Javascript feature detection alone, this approach will be painful when heavily customizing a feature beyond just tweaking the looks. Eventually you will want want the same detection logic to be...
In medium-sized to large Rails applications, asset compilation can take several minutes. In order to speed up deployment, asset...
...a convenience method on Strings (you may need to require 'whatlanguage/string'). >> 'Wir entwickeln und betreiben anspruchsvolle Webanwendungen'.language => :german Depending on your users' input, consider using less languages for better...
If you use the Better Errors gem, you will sometimes notice that it can be very slow. This is because it sometimes renders a huge amount of data that will...
You can significantly improve performance by adding this to config/initializers/better_errors: if defined?(BetterErrors) && Rails.env.development? module BetterErrorsHugeInspectWarning def inspect_value(obj) inspected = obj.inspect if inspected.size > 20_000 inspected = "Object...
Accessing other repositories in Gitlab CI is not straight forward, since the access rights of the current pipeline might not...
Nested exceptions for Ruby: When you rescue an error and then re-raise your own, you don't have to...
...updated with newly discovered issues and remove old issues as they're fixed or become obsolete. If you discover a bug that's not listed here, please report it so...
...everyone else can benefit...
To avoid sending e-mails containing sensitive data unencrypted I strongly suggest you enable a confirmation dialog. Enigmail can show...
Webpacker can automatically create an icon font from SVG files, which is really handy. When you're using the asset...
If you're using jQuery, you need to update to 1.5.1 to get Internet Explorer 9 to work.
Use protocol independent URLs whenever possible so that the browser will choose the protocol related to the protocol which the...
Don't insert table rows in a Rails database migration. This will break tests that expect that database to be...