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Weston Triemstra thermistor

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@janko
janko / 1-activerecord.rb
Last active June 13, 2023 20:00
INSERTing 50,000 records into a database in ActiveRecord, Arel, SQL, activerecord-import and Sequel.
require "active_record"
ActiveRecord::Base.establish_connection(adapter: "sqlite3", database: ":memory:")
ActiveRecord::Migration.class_eval do
create_table(:records) do |t|
t.string :column
end
end
data = 50_000.times.map { |i| Hash[column: "Column #{i}"] }
@ebidel
ebidel / app.html
Last active May 1, 2021 15:42
Fast Polymer app loading - optimized for first render, progressively enhanced lazy loading
<!DOCTYPE html>
<html>
<head>
<style>
body.loading #splash {
opacity: 1;
}
#splash {
position: absolute;
top: 0;
@dideler
dideler / upgrade-postgres-9.3-to-9.4.md
Last active November 23, 2025 10:07
Upgrading PostgreSQL from 9.3 to 9.4 when upgrading Ubuntu 14.04 to 14.10

TL;DR

Create a backup:

pg_dumpall > mybackup.sql

Perform the upgrade:

sudo pg_dropcluster 9.4 main --stop
@maxim
maxim / task.yml
Created June 12, 2014 11:09
Adding github to known_hosts with ansible
- name: ensure github.com is a known host
lineinfile:
dest: /root/.ssh/known_hosts
create: yes
state: present
line: "{{ lookup('pipe', 'ssh-keyscan -t rsa github.com') }}"
regexp: "^github\\.com"
@franksmule
franksmule / gulpfile.js
Last active August 8, 2017 20:30
gulp.js that does SASS, JS Concatenation Watching - Tutorial -> http://omcfarlane.co.uk/install-gulp-js-windows/
//*********** IMPORTS *****************
var gulp = require('gulp');
var sass = require('gulp-ruby-sass');
var gutil = require('gulp-util');
var rename = require("gulp-rename");
var map = require("map-stream");
var livereload = require("gulp-livereload");
var concat = require("gulp-concat");
var uglify = require('gulp-uglify');
var watch = require('gulp-watch');
@cpb
cpb / example.rb
Last active August 29, 2015 13:56
replace method with method object
class UserAdder < Struct.new(:user_params, :company_id, :role)
extend FriendlyMethodObject
def initialize(*)
super
# Provide defaults for optional members
self.role ||= :default_role
end
def call
@adamcooper
adamcooper / example_controller.rb
Last active August 29, 2015 13:56
Sample Service Base Class and Result Class
class UserController < ActionController::Base
def new
@user = User.new
end
def create
result = SignupUser.call(params[:user])
if result.successful?
redirect_to root_url, notice: "A welcome e-mail is on it's way!"
@mhuggins
mhuggins / multiparameter_attribute_assignment.rb
Last active September 5, 2020 19:41
MultiparameterAttributeAssignment
# app/models/concerns/multiparameter_attribute_assignment.rb
module MultiparameterAttributeAssignment
include ActiveModel::ForbiddenAttributesProtection
def initialize(params = {})
assign_attributes(params)
end
def assign_attributes(new_attributes)
@kalv
kalv / gist:7147336
Last active December 26, 2015 11:59
A list of links, patches and articles to help with Mavericks os x for ruby development
@matthewrobertson
matthewrobertson / base_serializer.rb
Last active June 14, 2016 07:16
A simple pattern for creating classes that encapsulate JSON serialization logic. Simply inherit from the `BaseSerializer` and override the hook methods as necessary.
# An abstract base class used to create simple serializers
# for ActiveRecord objects
class BaseSerializer
include Rails.application.routes.url_helpers
attr_reader :serialized_object
def initialize(serialized_object)
@serialized_object = serialized_object
end