AWstats is build to regularly run on webservers. If you want it to build a report once, here is the...
These are Chrome plugins that proved useful at makandra. Each is the best-in-class. Dimensions Auto-measure distances by...
Improve geordi cucumber: Only attempt @solo run when the specified files contain the @solo tag, skip @solo run if any...
Capistrano is by default configured to exclude the gems of the groups development and test when deploying to the stages...
Sometimes you want to test migrations with production or staging data. Dumping single tables makes sense if a complete dump...
There's no user interface to give an AWS IAM user read/write access to a selected list of S3 buckets...
To check the currently running PG version from your Rails application (e.g. Rails console on your production server), simply do...
When your controller action raises an unhandled exception, Rails will look at the exception's class and choose an appropriate...
By convention, common protocols use a defined port, like 80 for HTTP or 443 for HTTPS. You can use nmap...
When building a web application, one is tempted to claim it "done" too early. Make sure you check this list...
When using ImageMagick to manipulate images, you might see that images get darker when beeing modified by newer versions of...
Ever needed to use a global variable in Rails? Ugh, that's the worst. If you need global state, you...
Have you ever mistaken one Rails environment for another? The attached helper will help you to never do it again...
to create a Gallery that has a name and has_many :images, which in turn have a...
In production, you (or your ops team) should configure a maximum number of bytes that Redis can use to store...
Connect to your IMAP server. If you have SSL enabled: openssl s_client -connect your-server:993 if your server...
When you have a localized website, you may want to redirect users to their preferred language when they visit the...
fake_stripe spins up a local server that acts like Stripe’s and also serves a fake version of Stripe.js...
When dealing with time zones in Rails, there is one key fact to keep in mind: Rails has configurable time...
When building a form with a file select field, you may want to offer your users a live preview before...
Instead of using this hack you might want to use MariaDB 10.x which can work with both old and...
Tool to show you which gems are slow to load: ➜ git:(master) ✗ bundle exec bumbler [################################################# ] (49/65) travis-lint...
jQuery's deferred objects behave somewhat like standard promises, but not really. One of many subtle differences is that there...
Enter any command into explainshell and it will explain it to you: split into separate commands (if present), with each...