First find the reference for the entry you want through looking at the stash: $ git stash list stash@{0}: WIP...
Sometimes huge refactorings or refactoring of core concepts of your application are necessary for being able to meet new requirements...
You may know the double asterisk operator from Ruby snippets like Dir['spec/**/*_spec.rb'] where it expands to an arbitrary...
Exercise 1: XML On the start page of your Movie DB, show the title of a random movie that is...
TL;DR: Update the 'net-ssh' gem by adding to your Gemfile: gem 'net-ssh', '=2.9.1' Now run bundle update...
Building plain text emails with an .erb template doesn't allow you to indent code like you normally do in...
This method will remove automatically installed packages that no other packages depend on any more. This, of course...
If your external displays not switching on or showing a weird behavior (for e.g. all displays getting the same configuration...
There is no CSS selector for matching elements that contains a given string ¹. Luckily, Capybara offers the :text option to...
This might be relevant for us since we're often managing customer documents in our apps. I played around with...
Icomoon.io offers a free app to build custom icon webfonts. It offers downloads as webfont set (.eot, .ttf, .woff, .woff2...
AWstats is build to regularly run on webservers. If you want it to build a report once, here is the...
Isolate scopes offer three kinds of variable binding. One of them is &, allowing to bind a property of the isolate...
Piwik is the leading open-source analytics platform. As such, it is an alternative to Google Analytics. Since it is...
By convention, common protocols use a defined port, like 80 for HTTP or 443 for HTTPS. You can use nmap...
You can define methods using def or define_method. In the real world, there is no performance difference.
Converting string characters to or from their integer value (7-bit ASCII value or UTF-8 codepoint) can be done...
to create a Gallery that has a name and has_many :images, which in turn have a...
TL;DR If you want to support most browsers, then don't exceed 50 cookies per domain, and don't...
ActiveRecord offers an explain method similar to using EXPLAIN SQL statements on the database. However, this approach will explain all...
When building a form with a file select field, you may want to offer your users a live preview before...
You will need to look here and find your own device. Look for the "bootable CD" download, which will give...
To upload a file via AJAX (e.g. from an ) you need to wrap your params in a FormData object.
TL;DR There are three dimensions you can control when scoping routes: path helpers, URL segments, and controller/view module.