marcusshepp

sudo chown -R $USER ~/projects/kaa-api/log

marcusshepp

# rails 2.3.5
p = Promotion.find(:first, :conditions => ["subdomain = ?", "foobar"])

# to find based on multiple conditions based on multiple associations 
User.find(:all, :include => [:contact, :promotion], :conditions => ['contacts.email = ? and promotions.id = ?', 'marcuss@hesonline.com', 22])

# to find last record in old rails apps, rails 2
p = Promotion.find(:all, :order => "id desc", :limit => 1) # newest first
# and in ascending order
p = Promotion.find(:all, :order => "id asc", :limit => 1) # oldest first

marcusshepp

function ajax(type, url){
    return new Promise(function(resolve, reject){
        var http_request = new XMLHttpRequest();
        http_request.open(type, "http://127.0.0.1:8000/"+ url);
        http_request.onload = function() {                                                                                              
            if (http_request.status === 200){
                resolve(JSON.parse(http_request.response));
            } else {
                reject(Error(http_request.statusText));
            }

marcusshepp

function is_empty(obj){
  return Object.keys(obj).length === 0;  
}

// alternative
 function isEmpty(object) { 
   for(var i in object) { 
      return true; 
    } 
  return false; 

marcusshepp

psql -h 999.999.99.99 -U web_forms web_forms
web_forms=> SELECT * from django_migrations;
web_forms=> DELETE FROM django_migrations WHERE id=28;
web_forms=> DROP TABLE room_change_request_type;
# drop all tables from that app
web_forms=> \q
./manage.py migrate

marcusshepp

django-csrf-token.js

import React from 'react';


export default class DjangoCSRFToken extends React.Component {
    render(){
        var csrf_token = getCookie('csrftoken');
        return (<input type="hidden" name="csrfmiddlewaretoken" value={ csrf_token }/>);
    }

marcusshepp

package.json

{
  "name": "todo",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "start": "./node_modules/.bin/webpack-dev-server --inline --hot",
    "test": "echo \"Error: no test specified\" && exit 1"

marcusshepp

var element = document.querySelector("#foo");

var element_details = element.getBoundingClientRect();

var element_width = element_details.width;

var element_height = element_details.height;

marcusshepp

appendChild

marcusshepp

function get_selected_values(select_element){
    /*
    Vanilla JS way of returning an array of selected elements from a 
    select element with multiple='mulitple'.
    Used to allow for multiple Evaluation Categories to be
    selected.
    */
    var result = [];
    var options = select_element && select_element.options;
    var opt;