ryanuber

Serf handler router

When using @hashicorp's excellent Serf orchestration tool, you typically configure a handler for each type of event you expect to encounter (more about events and handlers here). To change handler configuration, one must update the Serf configuration and reload the agent with a SIGHUP or a restart.

Thanks to the flexibility and open-endedness Serf offers for configuring and executing handlers, we can achieve similar functionality by configuring only a single "router" handler, which we will never

ryanuber

If you find that vagrant box list somehow does not contain a box you previously had, you can sometimes add the box back if you still have the sources for it in ~/.vagrant.d/boxes.

$ cd ~/.vagrant.d/boxes/precise64/0/virtualbox/
$ tar czf ~/precise64.box .
$ vagrant box add precise64 ~/precise64.box 
Downloading box from URL: file:/Users/ryanuber/precise64.box
Extracting box...te: 417M/s, Estimated time remaining: --:--:--)
Successfully added box 'precise64' with provider 'virtualbox'!

ryanuber

<?php
$result = array();
foreach (range(1, 12) as $m) {
    array_push($result, date('Md', mktime(0,0,0,1,date('z', mktime(0,0,0,$m,1))+29)));
}
print implode(',', $result);

ryanuber

irb(main):001:0> def method_missing(*args) args.join(' ') end
=> nil
irb(main):002:0> hello world
=> "hello world"

ryanuber

<?php
namespace fruit {
    class apple {
        public static $x = 'this is the apple class';
    }
}
namespace fruit\apple {
    class seed {
        public static $x = 'this is the seed class';
    }

ryanuber

def depth(data):
    d = 1 
    if type(data) is dict:
        for item in data.keys():
            if type(data[item]) is dict or type(data[item]) is list:
                d += depth(data[item])
    elif type(data) is list:
        for item in data:
            if type(item) is dict or type(item) is list:
                d += depth(item)