dpwrussell’s gists

dpwrussell / js-class-method-binding-demo.js

Created November 9, 2015 20:01

Javascript Class Method Binding Demonstration

	'use strict';

	class MethodBindingTest {
	constructor() {
	this.x = 5;

	// Bind this method
	this.boundPrintX = this.boundPrintX.bind(this);
	}

dpwrussell / marshmallow_sa_inherit_pk.py

Created August 28, 2015 20:18

MarshmallowSqlAlchemy's issue with overriden ids not being serialized

	import sqlalchemy as sa
	from sqlalchemy.ext.declarative import declarative_base
	from sqlalchemy.orm import scoped_session, sessionmaker, relationship
	from sqlalchemy.ext.hybrid import hybrid_property
	from marshmallow_sqlalchemy import ModelSchema

	engine = sa.create_engine('sqlite:///:memory:')
	session = scoped_session(sessionmaker(bind=engine))
	Base = declarative_base()

dpwrussell / marshmallow_sqlalchemy_issue_one_or_many_to_zero_or_one.py

Last active August 27, 2015 19:15

MarshmallowSqlalchemy issue with one/many to zero/one using sqlalchemy's uselist=False

	import sqlalchemy as sa
	from sqlalchemy.ext.declarative import declarative_base
	from sqlalchemy.orm import scoped_session, sessionmaker, relationship
	from sqlalchemy.ext.hybrid import hybrid_property
	from marshmallow_sqlalchemy import ModelSchema

	engine = sa.create_engine('sqlite:///:memory:')
	session = scoped_session(sessionmaker(bind=engine))
	Base = declarative_base()

dpwrussell / colander_experiment.py

Last active August 29, 2015 14:28

colanderalchemy_question_inheritance_backref

	from sqlalchemy import Integer
	from sqlalchemy import Column
	from sqlalchemy import String
	from sqlalchemy import ForeignKey
	from sqlalchemy import create_engine
	from sqlalchemy.orm import sessionmaker, relationship
	from sqlalchemy.ext.declarative import declarative_base

	import colander

dpwrussell / colander_experiment.py

Last active August 29, 2015 14:28

colanderalchemy_question_sideload

	from sqlalchemy import Integer
	from sqlalchemy import Column
	from sqlalchemy import String
	from sqlalchemy import ForeignKey
	from sqlalchemy import create_engine
	from sqlalchemy.orm import sessionmaker, relationship
	from sqlalchemy.ext.declarative import declarative_base

	import colander

dpwrussell / s3cache.py

Created August 12, 2015 17:19

Extremely rudimentary s3cache code

	import boto3
	from botocore.exceptions import ClientError

	import hashlib
	import os
	import errno

	def mkdir_p(path):
	try:
	os.makedirs(path)

dpwrussell / cte.py

Last active August 29, 2015 14:26

Question: Common Table Expressions with SQLAlchemy

	from sqlalchemy.ext.declarative import declarative_base
	from sqlalchemy.orm import Session, relationship, backref, sessionmaker
	from sqlalchemy import create_engine, Column, String, Integer
	from sqlalchemy.schema import ForeignKey

	Base = declarative_base()


	class Object(Base):
	""" Object ORM """

dpwrussell / join_multiple_vs_chain_pm.py

Created August 3, 2015 14:51

SQLAlchemy question: Differing behaviours in chained join vs multiple on-clause

	from sqlalchemy.ext.declarative import declarative_base
	from sqlalchemy.orm import Session, relationship, backref, sessionmaker
	from sqlalchemy import create_engine, Column, String, Integer
	from sqlalchemy.schema import ForeignKey

	Base = declarative_base()


	class Object(Base):
	""" Object ORM """

dpwrussell / sqlalchemy_question_join_mtm_pm.py

Created July 31, 2015 18:42

SQLAlchemy Quesiton: JOIN clause relationships with Many-To-Many association tables and joined table inheritance

	from sqlalchemy.ext.declarative import declarative_base
	from sqlalchemy.orm import Session, relationship, backref, sessionmaker
	from sqlalchemy import create_engine, Column, String, Integer
	from sqlalchemy.schema import ForeignKey

	Base = declarative_base()

	################# START Working Example
	class A(Base):
	__tablename__ = 'a'

dpwrussell / .gitconfig

Created June 4, 2015 14:13

git lgs

	[alias]
	lg1 = log --graph --abbrev-commit --decorate --date=relative --format=format:'%C(bold blue)%h%C(reset) - %C(bold green)(%ar)%C(reset) %C(white)%s%C(reset) %C(dim white)- %an%C(reset)%C(bold yellow)%d%C(reset)' --all
	lg2 = log --graph --abbrev-commit --decorate --format=format:'%C(bold blue)%h%C(reset) - %C(bold cyan)%aD%C(reset) %C(bold green)(%ar)%C(reset)%C(bold yellow)%d%C(reset)%n'' %C(white)%s%C(reset) %C(dim white)- %an%C(reset)' --all
	lg = !"git lg1"

Douglas Russell dpwrussell