Harris Novick lightyrs

Combining ActiveRecord Scopes with `OR` [<v5]

This came about while trying to construct an ActiveRecord query.

via http://stackoverflow.com/a/9540911/111363

Note that merge combines WHERE clauses using AND. While ActiveRecord does not currently have the ability to combine relations using OR instead, it is coming in ActiveRecord 5 (https://github.com/rails/rails/commit/9e42cf019f2417473e7dcbfcb885709fa2709f89).

It'll look something like this:

via http://tombroomfield.com/the-upcoming-active-record-or-method-will-clean-up-your-queries/

The standard names for indexes in PostgreSQL are:

{tablename}_{columnname(s)}_{suffix}

where the suffix is one of the following:

pkey for a Primary Key constraint;

key for a Unique constraint;

excl for an Exclusion constraint;

idx for any other kind of index;

How to create small, unique tokens in Ruby

That is is basically a "fork" of blog article i'm constantly returning to. It seems that the blog is down:

My choice: Dave Bass’s rand().to_s() trick

Dave Bass proposed this which I picked up for my implementation (here for an 8-chars token):

##Working configuration to accomplish 0-downtime deploy with unicorn 5.x and systemd on centos 7

The scope is to accomplish a 0-downtime reload of a unicorn service managed by Systemd on a Centos 7 distro.

The examples and assumptions that i found on the bogomips's unicorn repo seems not working for centos 7.

Below a working configuration tested on Centos 7 and unicorn 5.1

Any advice/remark will be appreciated

	"""
	Minimal character-level Vanilla RNN model. Written by Andrej Karpathy (@karpathy)
	BSD License
	"""
	import numpy as np

	# data I/O
	data = open('input.txt', 'r').read() # should be simple plain text file
	chars = list(set(data))
	data_size, vocab_size = len(data), len(chars)

	#!/bin/bash

	if [ $# -ne 4 ]
	then
	echo "Usage: $0 <host> <port> <pattern> <seconds>"
	exit 1
	fi

	cursor=-1
	keys=""

	# Your init script
	#
	# Atom will evaluate this file each time a new window is opened. It is run
	# after packages are loaded/activated and after the previous editor state
	# has been restored.
	#
	# An example hack to log to the console when each text editor is saved.
	#
	# atom.workspace.observeTextEditors (editor) ->
	# editor.onDidSave ->

	# -- coding: utf-8 --

	"""
	Zendesk timezones are represented by friendly names that map to tz database names.
	For example, an API request returns "Eastern Time (US & Canada)" instead of "America/New_York".
	You can map the friendly names to the tz database names by referencing the Constants > Mapping
	section of the Ruby on Rails TimeZone object doc.

	https://developer.zendesk.com/rest_api/docs/core/users#time-zone

	# See https://codeship.com/documentation/docker/browser-testing/
	FROM myapp:base

	# We need wget to set up the PPA and xvfb to have a virtual screen and unzip to install the Chromedriver
	RUN apt-get install -y wget xvfb unzip

	# Set up the Chrome PPA
	RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub \| apt-key add -
	RUN echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list

	.subtle-gradient-1 {
	background-image: linear-gradient(to right, #f0fcff 0%, #f2f4ff 100%);
	}

	.pastel-gradient-1 {
	background-image: linear-gradient(to left bottom, hsl(253, 100%, 85%) 0%, hsl(132, 100%, 85%) 100%);
	}

Harris Novick lightyrs

Combining ActiveRecord Scopes with OR [<v5]

How to create small, unique tokens in Ruby

My choice: Dave Bass’s rand().to_s() trick

Combining ActiveRecord Scopes with `OR` [<v5]