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Neo4j install OS X
$ brew install neo4j
To have launchd start neo4j now and restart at login:
brew services start neo4j
Or, if you don't want/need a background service you can just run:
neo4j start
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@renaudtertrais
renaudtertrais / mock-global-object-jest.js
Created May 17, 2017 12:00
A simple way to mock/unmock globals object methods or constant
/* global expect jest */
const delay = ms => fn => setTimeout(fn, ms);
const mockGlobalProperty = globalObject => key => value => {
// save original implementation in order to unmock later
const original = globalObject[key];
// mock key on the global object
Object.defineProperty(globalObject, key, { value, writable: true });
@tijme
tijme / UITextViewPlaceholder.swift
Last active May 31, 2024 11:05
The correct way to implement a placeholder in a UITextView (Swift)
//
// UITextViewPlaceholder.swift
// TextViewPlaceholder
//
// Copyright (c) 2017 Tijme Gommers <tijme@finnwea.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
@ryosuzuki
ryosuzuki / Node-ffi-array.md
Last active March 3, 2024 21:00
Node-ffi example: Passing and receiving array object between Node.js and C++ binding

Node-ffi with IntArray

Passing and receiving array object between Node.js and C++ binding

$ g++ -dynamiclib -o mylib.dylib main.cpp
$ node index.js
[matrix size: 100x100; n_nonzero: 4; density: 0.04%]

 (1, 1) 2.0000
@oxyflour
oxyflour / hindley-milner.ts
Last active May 3, 2024 01:32
a typescript implement of hindley-milner type inference
// a typescript implement of hindley-milner type inference
// reference http://smallshire.org.uk/sufficientlysmall/2010/04/11/a-hindley-milner-type-inference-implementation-in-python/
/// <reference path="./lib.es6.d.ts" />
// ...
interface AstNode {
}
class Id implements AstNode {
ACTION
AD_HOC_CODE_SIGNING_ALLOWED
ALTERNATE_GROUP
ALTERNATE_MODE
ALTERNATE_OWNER
ALWAYS_SEARCH_USER_PATHS
ALWAYS_USE_SEPARATE_HEADERMAPS
APPLE_INTERNAL_DEVELOPER_DIR
APPLE_INTERNAL_DIR
APPLE_INTERNAL_DOCUMENTATION_DIR
@afeld
afeld / gist:5704079
Last active November 27, 2023 15:43
Using Rails+Bower on Heroku
@nateware
nateware / haproxy.conf
Created October 31, 2012 15:36
HAProxy sample config for EC2
#
# This config file is a combination of ideas from:
# http://www.37signals.com/svn/posts/1073-nuts-bolts-haproxy
# http://www.igvita.com/2008/05/13/load-balancing-qos-with-haproxy/
# http://wiki.railsmachine.com/HAProxy
# http://elwoodicious.com/2008/07/15/nginx-haproxy-thin-fastcgi-php5-load-balanced-rails-with-php-support/
# http://upstream-berlin.com/2008/01/09/using-haproxy-with-multiple-backends-aka-content-switching/
# http://wiki.railsmachine.com/HAProxy
# http://gist.github.com/raw/25482/d39fb332edf977602c183194a1cf5e9a0b5264f9
#
@them0nk
them0nk / rspec_rails_cheetsheet.rb
Created March 23, 2012 03:39
Rspec Rails cheatsheet (include capybara matchers)
#Model
@user.should have(1).error_on(:username) # Checks whether there is an error in username
@user.errors[:username].should include("can't be blank") # check for the error message
#Rendering
response.should render_template(:index)
#Redirecting
response.should redirect_to(movies_path)
@barmstrong
barmstrong / gist:1323865
Created October 28, 2011 23:50
processing large csv files in ruby
class ZendeskTicketsJob
extend Resque::Plugins::ExponentialBackoff
@queue = :low
FIELDS = ['zendesk_id', 'requester_id', 'assignee_id', 'group', 'subject', 'tags', 'status', 'priority', 'via', 'ticket_type', 'created_at', 'assigned_at', 'solved_at', 'resolution_time', 'satisfaction', 'group_stations', 'assignee_stations', 'reopens', 'replies', 'first_reply_time_in_minutes', 'first_reply_time_in_minutes_within_business_hours', 'first_resolution_time_in_minutes', 'first_resolution_time_in_minutes_within_business_hours', 'full_resolution_time_in_minutes', 'full_resolution_time_in_minutes_within_business_hours', 'agent_wait_time_in_minutes', 'agent_wait_time_in_minutes_within_business_hours', 'requester_wait_time_in_minutes', 'requester_wait_time_in_minutes_within_business_hours', 'reservation_code', 'requires_manual_closing']
def self.perform(url)
`rm /tmp/zendesk_tickets*`
`wget #{url} -O /tmp/zendesk_tickets.csv.zip`
`unzip -p /tmp/zendesk_tickets.csv.zip > /tmp/zendesk_tickets.csv`