StackOverflow2013

Note that there are some explanatory texts on larger screens.

plurals

PO
text
Body
copied!<pre class="lang-none prettyprint-override"><code>╔═══════════════╦═══════════════════════════╦═════════════════════════════════╗ ║ ║ class ║ module ║ ╠═══════════════╬═══════════════════════════╬═════════════════════════════════╣ ║ instantiation ║ can be instantiated ║ can *not* be instantiated ║ ╟───────────────╫───────────────────────────╫─────────────────────────────────╢ ║ usage ║ object creation ║ mixin facility. provide ║ ║ ║ ║ a namespace. ║ ╟───────────────╫───────────────────────────╫─────────────────────────────────╢ ║ superclass ║ module ║ object ║ ╟───────────────╫───────────────────────────╫─────────────────────────────────╢ ║ methods ║ class methods and ║ module methods and ║ ║ ║ instance methods ║ instance methods ║ ╟───────────────╫───────────────────────────╫─────────────────────────────────╢ ║ inheritance ║ inherits behaviour and can║ No inheritance ║ ║ ║ be base for inheritance ║ ║ ╟───────────────╫───────────────────────────╫─────────────────────────────────╢ ║ inclusion ║ cannot be included ║ can be included in classes and ║ ║ ║ ║ modules by using the include ║ ║ ║ ║ command (includes all ║ ║ ║ ║ instance methods as instance ║ ║ ║ ║ methods in a class/module) ║ ╟───────────────╫───────────────────────────╫─────────────────────────────────╢ ║ extension ║ can not extend with ║ module can extend instance by ║ ║ ║ extend command ║ using extend command (extends ║ ║ ║ (only with inheritance) ║ given instance with singleton ║ ║ ║ ║ methods from module) ║ ╚═══════════════╩═══════════════════════════╩═════════════════════════════════╝ </code></pre>

Querying!

Guidance

An individual column

Larger individual text columns get their own page to allow for proper reading.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload