Regular expressions (regex) in Ruby and PostgreSQL differ in a slightly confusing way when it comes to the meaning of
You might already be using RSpec’s
.rspecfile to avoid having to add the
require 'spec_helper'line at the top of all your spec files.
Most web applications use a database to persist state. Since the database is separate from the application and changes cannot be made to both simultaneously, there are various strategies for keeping them in sync.
If you’ve ever created a new Rails app and then ran
bundle installon a Unix-like system, you’ve probably seen this warning:
The dependency tzinfo-data (>= 0) will be unused by any of the platforms Bundler is installing for. Bundler is installing for ruby but the dependency is only for x86-mingw32, x86-mswin32, x64-mingw32, java. To add those platforms to the bundle, run bundle lock –add-platform mingw, mswin, x64_mingw, jruby.
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