Skip to content

Instantly share code, notes, and snippets.

@mhenrixon
mhenrixon / _form.html.haml
Created May 18, 2011 11:02
A complete sample of how to perform nested polymorphic uploads in rails using carrierwave
=semantic_form_for [:admin, @dog], validate: true, html: {multipart: true} do |f|
=f.inputs do
=f.input :name
=f.input :kennel_name
=f.input :birthdate
=f.input :gender, as: :radio, collection: {'Tik' => 'F', 'Hane' => 'M'}
=f.input :father_id, as: :select, collection: @dogs
=f.input :mother_id, as: :select, collection: @bitches
=f.semantic_fields_for :pictures do |pic|
@Integralist
Integralist / remote-git.md
Created February 21, 2012 09:51
Basic set-up of remote git repository on a standard server

Set-up remote git repository on a standard server

The first thing to do is to install Git on the remote server.

Once you do that the rest of the process is split into three sections:

  1. Server set-up
  2. Local set-up (push commits)
  3. Server (pull commits)
@erikh
erikh / hack.sh
Created March 31, 2012 07:02 — forked from DAddYE/hack.sh
OSX For Hackers
#!/usr/bin/env sh
##
# This is script with usefull tips taken from:
# https://github.com/mathiasbynens/dotfiles/blob/master/.osx
#
# install it:
# curl -sL https://raw.github.com/gist/2108403/hack.sh | sh
#
@JGrubb
JGrubb / migrate.rb
Created July 3, 2012 19:21
Migrating from Drupal to Rails blog
# This uses the Sequel gem to do the heavy lifting of connecting together the various
# DBs involved in this process. It was really difficult 2 weeks ago, and really easy yesterday.
# I love that.
require 'sequel'
require 'date'
# The Drupal DB
DB = Sequel.connect(
@madwork
madwork / attachment.rb
Last active July 25, 2021 09:13
Polymorphic attachments with CarrierWave and nested_attributes
class Attachment < ActiveRecord::Base
mount_uploader :attachment, AttachmentUploader
# Associations
belongs_to :attached_item, polymorphic: true
# Validations
validates_presence_of :attachment
@cferdinandi
cferdinandi / stop-video.js
Last active February 9, 2025 16:57
A simple method to stop YouTube, Vimeo, and HTML5 videos from playing.
/**
* Stop an iframe or HTML5 <video> from playing
* @param {Element} element The element that contains the video
*/
var stopVideo = function ( element ) {
var iframe = element.querySelector( 'iframe');
var video = element.querySelector( 'video' );
if ( iframe ) {
var iframeSrc = iframe.src;
iframe.src = iframeSrc;
@AWMooreCO
AWMooreCO / AdvancedWindowSnap.ahk
Last active April 19, 2025 18:27
Advanced Window Snap is a script for AutoHotKey that expands upon Windows built-in window-snapping hotkeys.
/**
* Advanced Window Snap
* Snaps the Active Window to one of nine different window positions.
*
* @author Andrew Moore <[email protected]>
* @version 1.0
*/
/**
* SnapActiveWindow resizes and moves (snaps) the active window to a given position.
@robertsdionne
robertsdionne / deepdream-install.md
Last active February 15, 2021 16:07
Deepdream installation
#!/usr/bin/env bash

# Assuming OS X Yosemite 10.10.4

# Install XCode and command line tools
# See https://itunes.apple.com/us/app/xcode/id497799835?mt=12#
# See https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man1/xcode-select.1.html
xcode-select --install
@dmail
dmail / object-fit-cover-video.js
Created October 5, 2015 06:50
object-fit:cover polyfill on video element using canvas
// http://stackoverflow.com/questions/21961839/simulation-background-size-cover-in-canvas
function drawImageProp(ctx, img, x, y, w, h, offsetX, offsetY) {
if (arguments.length === 2) {
x = y = 0;
w = ctx.canvas.width;
h = ctx.canvas.height;
}
// default offset is center
offsetX = typeof offsetX === "number" ? offsetX : 0.5;
@iscott
iscott / simple_authentication_rails_5_bcrypt_and_has_secure_password.md
Last active November 14, 2024 10:54
Cheat Sheet: Simple Authentication in Rails 5 with has_secure_password

Cheat Sheet: Simple Authentication in Rails 6 with has_secure_password

The goal of this cheatsheet is to make it easy to add hand-rolled authentication to any rails app in a series of layers.

First the simplest/core layers, then optional layers depending on which features/functionality you want.

Specs
AUTHOR Ira Herman
LANGUAGE/STACK Ruby on Rails Version 4, 5, or 6