When you make a simple TCP connection to a remote server (like telnet), your client won't normally notice when...
Installing SSL certificates usually implies additionally using intermediate certificates. If one of them is missing, some SSL client implementations might...
Utility methods to distribute each or map over multiple threads or processes.
If you get an error like: subprocess installed post-removal script returned error exit status 78 when installing/removing/updating a package...
If you have jQuery code like this: if (condition) { $element.show(); } else { $element.hide(); } ... you can shorten this to: $element.toggle(condition);
You want to test your 1GE or 10GE internet uplink? We needed to ensure we have full 10GE to the...
When dealing with AR scopes, you can remove conditions, order, etc by using the unscope method. It is available on...
You can say this in Javascript: $.fn.jquery => "1.11.1"
You cannot find your account passwords in the Account Settings – that'd be too easy. Here is where you find...
Redactor is yet another WYSIWYG editor. It definitely has its weak points, but I want to point out that it...
Rails 4 introduced raising an error on pending migrations. This is most annoying when you are crafting a migration but...
Web fonts are great. They are also be really bad for front-end performance because they block rendering. You may...
What is a Cookie? Google it if you do not know. How are cookies transferred between your browser and...
Some browsers define window.event, which will return a copy of the "current" event. However, this is not defined by the...
The asset pipeline is one of Rails' two mechanisms how stylesheets, javascripts and images from your /assets folder are processed...
Some tasks in a web application are better not done live when a user request a page, but in the...
When a method has keyword arguments, Ruby offers implicit conversion of a Hash argument into keyword arguments. This conversion is...
Writing ruby methods that accept both optional and keyword arguments is dangerous and should be avoided. This confusing behavior will...
This is a guide on how to effectively use Git when working on a feature branch. It is designed to...
Starting with Rails 4.0, when you get an exception reported via the ExceptionNotification gem, you will only see a very...
Rails 5 will introduce ActiveRecord::Relation#or. On Rails 4 and 3.2 you can use the activerecord_any_of gem...
When working with PostgreSQL, you can use pgAdmin as a GUI. While you can do most things just like on...
I figure we needed a definitive reference for what work is triggered by changing various CSS properties. It's something...
A fantastic guide for a dilemma facing any web-based product. Here’s a simple set of Yes/No questions that...