Ubuntu has a package mysql-sandbox that lets you install multiple MySQL versions into your user home: Install mysql-sandbox...
Rails has always included a scaffold script that generates a default controller implementation for you. Unfortunately that generated controller is...
It is good programming practice to Don't Repeat Yourself (or DRY). In Ruby on Rails we keep our code...
So you client has asked you to implement a row of buttons to like the URL on Facebook, Twitter and...
When writing Rails migrations to convert a string column to an integer you'd usually say: change_column :table_name...
I recently experienced the error ActiveRecord::StatementInvalid: Mysql2::Error: closed MySQL connection. Apparently this happens when there is a timeout...
There may be reasons to change the locale of your Postgres cluster. A popular one is your development system's...
So you're switching to PostgreSQL from MySQL? Here is some help... General hints on PostgreSQL \? opens the command overview...
The mysql2 gem in version 0.3.13 might break while compiling on older patch releases of Ruby 1.9.3 within rvm:
Responsive elements makes it possible for any element to adapt and respond to the area they occupy. This is different...
dusen 0.4.8 and edge_rider 0.2.3 no longer depend on Rails (they still depend on ActiveRecord). That means you can...
Do not use .rvmrc files to specify Ruby version and gemset configuration any longer, it's deprecated and not considered...
In contrast to RSpec's included allow_value matcher, the attached matcher will also work on associations, which makes it...
Consul 0.10.0 now allows multiple power mappings for nested resources. When using nested resources you probably want two power
When you're writing migrations that do more than changing tables (like, modify many records) you may want some output...
When two classes implement the same behavior (methods, callbacks, etc.), you should extract that behavior into a trait or module...
Custom matchers are a useful RSpec feature which you can use to DRY up repetitive expectations in your specs. Unfortunately...
Capistrano 2 brings the shell command which allows you to run commands on your deployment targets. There is also invoke...
When you have files in your .gitignore they won't be considered for changes, but still you might want to...
For Capybara, use this step: Then /^"([^"]*)" should be a disabled option for "([^"]*)"(?: within "([^\"]*)")?$/ do |value, field, selector| with_scope(selector...
We tend to use database transactions as a magic bullet to get rid of all our concurrency problems. When things...
Consul 0.9 comes with many new features to optimize powers that only check access to a given record. e.g. Power.current.post...
Use the click method on the DOM element: let link = document.querySelector('a') link.click()
Remember why preloading associations "randomly" uses joined tables or multiple queries? If you don't like the cleverness of this...