Instead of this: Image.order('images.created_at DESC') You can write this: Image.order(created_at: :desc) Not only do you not...
It's generally not trivial to change a datetime's seconds, minutes, etc in SQL. Here is how it works...
Web applications can be used by multiple users at the same time. A typical application server like Passenger has multiple...
RSpec 3 has verifying doubles. This breed of mock objects check that any methods being stubbed are present on an...
If you are using Coffeescript, it is likely to be the culprit. Since Coffeescript always returns the value of...
TL;DR You shouldn't call $scope.$apply() or $scope.$digest() inside a function that can be invoked by Angular...
Webfonts are not always available when your JavaScript runs on first page load. Since fonts may affect element sizes, you...
SELECT table_name, table_rows FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'your_database' order by table_rows;
jQuery doesn't store information about event listeners and data values with the element itself. This information is instead stored...
This guide shows how to create an AngularJS application that consumes more and more memory until, eventually, the browser process...
The linked article explains how to get a database-wide lock without creating table rows: This article explains how I...
Postgres 9.4 introduces a new column type: jsonb. json and jsonb columns store data differently, so just compare the two...
When running migrations with rake db:migrate, there's the STEP and VERSION parameters that you can pass to nearly...
TL;DR Block formatting contexts establish an isolating container. float and clear only apply to elements within such a container...
The CSS property z-index is not as global as you might think. Actually, it is scoped to a so...
Right-click on the table Select Table... Select Text flow Uncheck Allow row to break across pages and columns
tldr; Use git diff -M or git diff --find-renames when you've moved a few files around. Usage
This will list all branches matching your query as input options for git checkout greckout ar 1) ar/cache-api-keys-1098...
If you want to load an SQL dump from an ActiveRecord migration, you might find this to be harder than...
Geordi 1.0 features a command line application geordi, that holds most of Geordi's previous commands. New features
Add gem 'database_cleaner' to your Gemfile. Then: Cucumber & Rails 3+ # features/support/database_cleaner.rb DatabaseCleaner.clean_with(:deletion) # clean once, now DatabaseCleaner.strategy = :transaction...
Sequel is an awesome ORM such as ActiveRecord. The linked article describes how easily you can implement and use materialized...
In the tradition of our PostgreSQL cheat sheet for MySQL lamers, here is a cheat sheet for Jasmine when you...
Here is a Javascript function reloadUsers() that fetches a HTML snippet from the server using AJAX and replaces the current...