Since version 2.6 exception notifier distinguishes between foreground and background sections. The reason is that with background jobs (e.g. methods...
ActiveModel supplies an errors object that behaves similar to a Hash. It can be used to add errors to a...
Note: Making a reverse proxy with nginx is much more straightforward. A reverse proxy is a "man in the middle...
When you register a delegated event using on (or the deprecated delegate / live), it is somewhat hard to manually trigger...
sslscan is a nice tool to show details about TLS/SSL connections: ~> sslscan some-host-at.makandra.de Testing SSL server some-host-at.makandra.de on port 443...
Capistrano 3 is a major rework of the framework and requires several adjustments to your deploy configuration files. The biggest...
I was annoyed that RubyMine's autocompletion did not work via Ctrl+Space for me. In fact, it did not...
Datetime picker that offers: simple UI without a specific framework several of customization options allows custom date/time validations Localization happens...
When you have an element you want to hide, you can add a ng-show='isOpen' attribute to that element...
If you're a frequent user of LibreOffice, I strongly recommend to checkout out the VLOOKUP function (SVERWEIS in German...
Small (1.5 KB) Javascript library that lets you render tables, lists, etc. with hundreds of thousands of items.
Service that you can integrate for user feedback. Super-simple integration: Add a tag to your layout, done. It will then add a button to the bottom right of your application. When a user clicks it, they can take a screenshot and leave a message. The screenshot then appears in TrackDuck's interface for you to work off. Current pricing is 9 USD per month for the smallest tier (1 project).
When you want to UPDATE a table with information from an associated table, you can JOIN the associated table into...
Several Rails migration methods accept index: true as an option to create an index. In some cases (like #add_column...
jquery-placeholder is a simple jQuery plugin that enables form placeholders in browsers that do not support them natively, i.e...
There are times when you have a chunk of text that you want to do something with, e.g. replace something...
TL;DR Under certain circumstances, dynamically defined symbols may break keyword arguments in Ruby 2.2. This was fixed in Ruby...
It is a common misunderstanding that all [op]=-operators work the same way, but actually they don't. ||= and &&=
dmesg shows the kernel ring buffer containing low-level system messages. Per default, dmesg shows a timestamp:
When using send_file (for example for attachments of any kind), make sure your application knows the correct mime types...
You can freeze any Ruby object to prevent further modification. If you freeze an ActiveRecord and try to set an...
Rails comes with a Rake task notes that shows code comments that start with "TODO", "FIXME", or "OPTIMIZE".
If you want to grow a Ruby Array, you might find out about #fill but it is not really what...
# Given the following models class Image < ActiveRecord::Base has_many :album_images has_many :albums, through: :album_images