Calling methods on null objects in Go and PHP
Call a method on a nil pointer (null object) ? This is a classical bug. What if it somehow turned out to be a valid and useful construct in some languages, say in Go ? And what about PHP ?
Google Go = Golang
The Google Go language.
Golang fun : adding methods to primitive types
Go syntax has some funny peculiarities which are not immediately obvious, like methods on primitive types. Let's have a look.
Primitive wrapper types
Anyone with a few hours of Go is familiar with the basic object notation, like this example:
Golang tip of the day: admin dashboard and health checks in Beego applications
One litle-publicized feature of the BeeGo Go framework is its admin dashboard.
Features
Although it may look quite raw visually (think MIME: text/plain), it contains a wealth of information about goroutines, threads, memory usage, and request statistics. It even allows devs to add to a "healthcheck" list, and admins allowed dashboard access to run "tasks" defined in code. The diagram belows shows the hierarchy of features in the version coming with Beego 1.3.0.
What to do when Go will not run, nor install from source ?
Some days ago, at the AWS Summit 2014, DamZ renewed my long-sleeping interest for the Google Go language with wonderous stories about its use in infrastructure of the new Commerce Guys Platform they were launching that same days, so I've been doing my homework getting up to date on Go programming: that's what holidays are for, aren't they ?