philandstuff

Lists of countries and geographical locations

lists of locations

Country names (published by Permanent Committee on Geographical Names): https://www.gov.uk/government/publications/country-names

FCO Geographical Names Index - country names and descriptive terms (published by FCO): https://www.gov.uk/government/publications/geographical-names-and-information

World locations: https://www.gov.uk/government/world

philandstuff

mapit

standing up a mapit instance

Setting up a standalone mapit instance is documented at http://mapit.poplus.org/docs/self-hosted/install/ but there are some issues. This summarizes what I needed to do:

# install postgis

philandstuff

(function() {
  var jQuery = window.$;

  var OpenRegister = function(endpoint) {
    this.endpoint = endpoint;
  };

  OpenRegister.prototype.buildURL = function(path) {
    return this.endpoint + path + ".json";
  };

philandstuff

data model

needs

• fetch a particular version of a record (permalink)
• fetch the latest version of a record
• view all (current) records
• export whole register inc history
• export last N versions of history
  • update my local copy of register with changes (streaming)

philandstuff

2015-05-19T14:12:14.514559+00:00 app[web.1]: [error] c.j.b.ConnectionHandle - Database access problem. Killing off this connection and all remaining connections in the connection pool. SQL State = 57P01
2015-05-19T14:12:14.762639+00:00 app[web.1]: [error] application -
2015-05-19T14:12:14.762643+00:00 app[web.1]:
2015-05-19T14:12:14.762646+00:00 app[web.1]: ! @6m7idhci3 - Internal server error, for (GET) [/] ->
2015-05-19T14:12:14.762647+00:00 app[web.1]:
2015-05-19T14:12:14.762651+00:00 app[web.1]: play.api.Application$$anon$1: Execution exception[[RuntimeException: java.lang.RuntimeException: org.postgresql.util.PSQLException: FATAL: terminating connection due to administrator command]]
2015-05-19T14:12:14.762653+00:00 app[web.1]: 	at play.api.Application$class.handleError(Application.scala:296) ~[com.typesafe.play.play_2.11-2.3.8.jar:2.3.8]
2015-05-19T14:12:14.762655+00:00 app[web.1]: 	at play.api.DefaultApplication.handleError(Application.scala:402) [com.typesafe.play.play_2.11-2.3.8.jar:2.3.8]
2015-05-19

philandstuff

datomic-spike

A spike into using datomic to model data registers.

Usage

You need Datomic. If you agree to the Datomic Free License you can install it using homebrew: brew install datomic.

analysis

philandstuff

registers

register	fields
register	[register, fields]
field	[field, datatype]
datatype	[datatype]
address	[address, street, postcode]
postcode	[postcode, location]

philandstuff

Korny Sietsma, Pragmatic Performance Testing

quotes

• “we don’t care about perf”
• “clojure should be fast”
• “we’re using mongo!”
• “clojure might not be fast enough, we should use type hints”

JMeter

philandstuff

Codemesh 2014, London

keynote: complexity is outside the code

• @jessitron and @tastapod
• slides

when I started programming:

• architecture was always:
  • box - box - cylinder
• then layers:
  • ideally:

philandstuff

module FizzBuzz where
import Data.Foldable (fold)
 
whenDivisible :: Integral a => a -> b -> a -> Maybe b
whenDivisible d x n = if n `rem` d == 0 then Just x else Nothing
 
fizzbuzz :: (Show a, Integral a) => a -> String
fizzbuzz n = maybe (show n) id tagStr
  where tagStr = fold [fizz n, buzz n]
        fizz = whenDivisible 3 "Fizz"