If you want to access top-level constants inside a BasicObject class, you need to prefix them with ::.

You can use JavaScript to get or set cookie values on the client. Using the vanilla JavaScript API

jQuery's deferred objects behave somewhat like standard promises, but not really. One of many subtle differences is that there...

This card existed before, but was outdated due to browser implementation changes. The information below is validated for the current...

While IE9 does support HTML5 tags, it fails to work until you force HTML5 mode. Here are two ways to...

gist.github.com

The NestedHash class allows you to read and write hashes of any depth. Examples: hash = {} NestedHash.write hash, 'a', 'b', 'c...

You can find out about disk space usage of all tables within your database by running this: SELECT table_name...

The attached Coffeescript helper will let you create mouse events: $element = $('div') Trigger.mouseover($element) Trigger.mouseenter($element) Trigger.mousedown($element) Trigger.mouseup($element...

explainshell.com

Enter any command into explainshell and it will explain it to you: split into separate commands (if present), with each...

makandra dev

Sometimes you might want to check a short link for it's destination before clicking on it. Additional you get...

To upload a file via AJAX (e.g. from an ) you need to wrap your params in a FormData object.

Angular's location provider stalls links to the current URL, i.e. window.location. As soon as the $location service is activated...

makandra Operations

If you want to perform a failover on another haproxy backend server this is the way you should do it...

makandra Operations

If you try to restart you may encouter the problem that your networking connection gets shutdown but not start again...

about.gitlab.com

When full text search is overkill and like queries do not deliver this might be an approach you could try...

makandra Operations
brendangregg.com

Brendan Gregg is the Linux performance god. Use the information in this link to find out what ways there are...

RSpec provides a nice diff when certain matchers fail. Here is an example where this diff is helpful while comparing...

github.com

Stackprof is a sampling call-stack profile for Ruby 2.1+. Instead of tracking all method calls, it will simply collect...

Don't write resources :people, :concerns => :trashable Write resources :people do concerns :trashable end Why Writing a controller...

reddit.com

Chrome has discontinued support for 32-Bit Linux builds and this might break your apt-get update.

If you are on a Linux shell and want to open a file with whatever default application is configured for...

Let's say you want to find the element with the text hello in the following DOM tree: hello

Imagine you have a list you want to render inline on large screens, but stacked on small screens. high

TL;DR There are three dimensions you can control when scoping routes: path helpers, URL segments, and controller/view module.