kwando / Build.txt

Created November 21, 2025 21:21

Output oog ESDL

	❯ make
	Downloading esdl2...
	curl -LO https://github.com/ninenines/esdl2/archive/refs/heads/master.zip
	% Total % Received % Xferd Average Speed Time Time Time Current
	Dload Upload Total Spent Left Speed
	0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
	100 531970 0 531970 0 0 974145 0 --:--:-- --:--:-- --:--:-- 974145
	unzip master.zip
	Archive: master.zip
	c1eeb85e7256e3fc9ee95a4093ae85bd8ca62710

kwando / example.md

Created August 22, 2024 10:22

DuckDB example

Start a shell duckdb

-- creates a new in memory table for your data
create table mydata as select * from 'myfile.csv';

-- do SQL stuff to your data
update mydata set name = 'foo' where name = 'bar';

copy (from mydata) to 'myfile_updated.csv';

kwando / ecto_schema.livemd

Created September 14, 2022 09:00

Ecto param schemas [livebook]

Ecto Schema

Mix.install([:ecto])

Section

defmodule ParamSchema do

kwando / param_schema.ex

Created October 25, 2020 09:03

ParamSchema

	defmodule ParamSchema do
	defmodule ValidationHelpers do
	def validate_subset1(changeset, key, values) do
	Ecto.Changeset.get_field(changeset, key)
	\|> case do
	nil -> changeset
	selected_values ->
	Enum.split_with(selected_values, &Enum.member?(values, &1))
	\|> IO.inspect(label: "hello")

kwando / certcheck.rb

Created January 29, 2020 14:50

Check certificate expiration

	#!/usr/bin/env ruby

	require 'date'
	require 'time'

	domain = ARGV[0]
	if !domain
	STDERR.puts "no domain given"
	exit(-1)
	end

kwando / repo.rb

Created February 13, 2017 14:34

Custom read type ruby repo

	require 'bundler'
	Bundler.setup

	require 'sequel'

	DB = Sequel.connect('sqlite::memory')

	DB.create_table(:users) do
	primary_key(:id)
	String :name, null: false

kwando / repo.rb

Created February 13, 2017 14:31

	require 'bundler'
	Bundler.setup

	require 'sequel'

	DB = Sequel.connect('sqlite::memory')

	DB.create_table(:users) do
	primary_key(:id)
	String :name, null: false

kwando / schema.rb

Last active April 19, 2016 08:07

Schema support for your adapter

	require 'dry/types'

	module ROM
	module Plugins
	module Relation
	module Schema
	Undefined = Object.new.freeze

	def self.included(klass)
	super

kwando / jruby 9.0.4.0

Created January 12, 2016 12:43

dry-v benchmarks

	user system total real
	DV: 1 thread 0.830000 0.020000 0.850000 ( 0.761257)
	AM: 1 thread 5.880000 0.160000 6.040000 ( 5.992480)
	DV: 2 threads 0.750000 0.010000 0.760000 ( 0.374995)
	AM: 2 threads 5.370000 0.080000 5.450000 ( 2.780504)


	Calculating -------------------------------------
	DV: 1 thread 1.000 i/100ms
	AM: 1 thread 1.000 i/100ms

kwando / gist:0f75729ece0fe4e20c14

Created May 29, 2015 07:46

Virtus + AM::Validations

	class ApprovalsController < ApplicationController
	def index
	query = ApprovalQuery.new(params)
	return render(json: {errors: query.errors.full_messages}, status: 422) unless query.valid?

	render json: Approval.apply_query(query)
	end
	end

	class ApprovalQuery < Query::Base

Hannes Nevalainen kwando

Ecto Schema

Section