Capybara's has_css? matcher has a couple of options you might find useful. Check that a selector appears a...
Hooks lets you define hooks declaratively in your ruby class. You can add callbacks to your hook, which will be...
This post will describe how I stumbled upon a code path in the Linux kernel which allows external programs to...
It can be useful to have a Ruby expression like condition ? positive_case : negative_case in MySQL queries:
[ ] [ ]= ** ! ~ + - * / % + - >> << & ^ | <= < > >= <=> == === != =~ !~ && || .. ... ? : = %= { /= -= += |= &= >>= <<= *= &&= ||= **= defined? not or and if unless while until begin/end For more information see Table 18.4 in The Pragmatic Programmer's...
A good tool to generate strong passwords and secrets is "apg". You can get it with sudo apt-get install...
Inside before :each blocks you can refer to variables that you introduce via let later on. They do not need...
You need to install the following packages before you can build the Paperclip gem: sudo apt-get install imagemagick librmagick...
If you have several submit elements (inputs or buttons with type="submit") that each cause different things to happen (e.g...
If you need to call a state_machine event and do not want to re-define resource_controller's create...
These steps are now part of Spreewald. This note describes a Cucumber step that lets you write this:
Note that you should disable the Java plug-in in your browsers after installation. Ubuntu >= 12.04 Java 11
A popular ruby idiom I keep stumbling upon is def do_some_thing_for(values) values = Array(values)
Cucumber step argument transforms can be a powerful way to make your steps more flexible. Note however that if your...
So this is the simulation that I use in my Agile Testing class, as well as in other contexts where...
RSpec's context (which is basically an alias for describe) takes over your whole application. No object may have its...
In /etc/crontab In /etc/cron.d/* In /etc/cron.hourly/* In /etc/cron.daily/* In /etc/cron.weekly/* In /etc/cron.monthly/* In the personal crontab of any user. This...
When you need to delete rows from a table, and the delete conditions require a joined table, MySQL needs to...
You can use record.send(:update_without_callbacks) or record.send(:create_without_callbacks) This can be used as a...
We use RTeX for PDF exports. While converting LaTeX to PDF, RTeX opens a temporary file which has problematic permissions...
You don't need a Rails application to use Sass. Even when you're working on a static site you...
With its you can switch the subject of an example to a method value of the current subject: describe Array...
It’s pretty common for projects hosted on GitHub to receive “pull requests”: requests from people who have cloned your...
Because they are vector, it would make sense if we could do things that other vector programs (e.g. Adobe Illustrator...