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Altons / migration.rb
Created November 23, 2019 09:03 — forked from apneadiving/migration.rb
incremental invoice numbers without gap in rails + postgresql
class CreateInvoiceNumbers < ActiveRecord::Migration
def up
create_table :invoice_numbers do |t|
t.integer :year, null: false, unique: true
t.integer :next_number_within_year, null: false, default: 1
end
add_index :invoice_numbers, :year, unique: true
(2016..2045).each do |year|
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Altons / calendarHeat.R
Created February 9, 2020 10:26 — forked from aaronwolen/calendarHeat.R
Calendar Heatmap by Paul Bleicher
##############################################################################
# Calendar Heatmap #
# by #
# Paul Bleicher #
# an R version of a graphic from: #
# http://stat-computing.org/dataexpo/2009/posters/wicklin-allison.pdf #
# requires lattice, chron, grid packages #
##############################################################################
## calendarHeat: An R function to display time-series data as a calendar heatmap
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Altons / JaroWinklerStringSimilarity.sql
Created March 29, 2021 18:32 — forked from paulirwin/JaroWinklerStringSimilarity.sql
Jaro-Winkler String Similarity in T-SQL
-- Based on code here: http://www.sqlservercentral.com/articles/Fuzzy+Match/65702/
-- Modified to be used in SQL Server Database Projects or run on its own, and fixed similarity vs distance confusion
CREATE FUNCTION [dbo].JaroWinklerGetCommonCharacters(@firstWord VARCHAR(MAX), @secondWord VARCHAR(MAX), @matchWindow INT)
RETURNS VARCHAR(MAX) AS
BEGIN
DECLARE @CommonChars VARCHAR(MAX)
DECLARE @copy VARCHAR(MAX)
DECLARE @char CHAR(1)
DECLARE @foundIT BIT
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Altons / dag.py
Created August 5, 2021 11:19 — forked from adamhaney/dag.py
DBT Airflow DAG with model/graph introspection
from datetime import datetime, timedelta
import networkx as nx
from airflow import DAG
from airflow.operators import BashOperator, SubDagOperator
start_date = datetime(year=2017, month=6, day=13, hour=19, minute=0)
schedule_interval = '0 * * * 1-5'
default_args = {
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Altons / README.md
Created October 31, 2022 11:28 — forked from jeremyyeo/README.md
Building SCD-2 models using the default incremental materialization #dbt

Building SCD-2 models using the default incremental materialization

  1. Bootstrap the source / snapshot table source_users and the initial state of our scd2 table dim_users by running:
dbt run -m source_users dim_users
  1. Copy over contents of dim_users_inc.sql replacing contents in dim_users.sql (or just rename them). Then run: