Exception notifications contain a lot of information: Backtraces, HTTP headers, etc. exception_notification tries its best to format this wall...
The new exception_notification has awesome options like :ignore_crawlers => true and :ignore_if => lambda {...
...}. These options should be helpful...
We tend to use database transactions as a magic bullet to get rid of all our concurrency problems. When things...
Sometimes in the course of development you may need to mock HTTP responses. This is a simple service to return...
Consul 0.9 comes with many new features to optimize powers that only check access to a given record. e.g. Power.current.post...
Ruby 1.9 brings a shorter way to define lambdas using the -> operator: twice = -> (x) { 2 * x } twice.call(5) # => 10
The cookies object in your controllers and views is a ActionController::CookieJar and even though that class inherits from Hash...
$RANDOM on bash returns a random integer between 0 and 32767. echo $RANDOM 9816 echo $RANDOM 30922
Using CSS sprites for background images is a technique for optimizing page load time by combining smaller images into a...
Create a 1 GB file to swap to (we have sufficient space on / on this machine. Use a different partition...
Next time you have to do more than trivial CSS changes on a project, you probably want to have live...
Set the hash to a dummy hash which doesn't hit any id at your page, for example: window.location.hash = "_";
You can use xmllint to pretty-print ugly XML files on your terminal. Just say: xmllint --format file.xml
Remember why preloading associations "randomly" uses joined tables or multiple queries? If you don't like the cleverness of this...
A great and enjoyable introduction into the concept of the web and about what HTTP was designed for. The original...
1. Saving files to a directory that is not shared between deploys or servers If you save your uploads to...
This card shows how to upgrade a Rails 2 application from Rails 2.3.8 through every single patch level up to...
Active Record's select method allows you to make use of the power of MySQL select statements. On the one...
Here is a good explanation for zombie processes. Quote: If you have zombie processes it means those zombies have not...
The Rails secret_token must be unique for each application and any instance of it. If not, someone could exploit...
In order to have more human readable git branches, do git pull --rebase To always pull like this, write these...
Merge requests are often rejected for similar reasons. To avoid this, before you send a merge request, please confirm that...
Do it like this: attribute :active, Virtus::Attribute::Boolean Long story In Virtus you define attribute with their type...
Sometimes sound breaks for me and speaker output is completely broken. This helped: pulseaudio -k && sudo alsa force-reload