I don’t use panes in iTerm often enough and whenever I do I seem to have forgotten the keyboard commands to split and navigate them, so… ⌘D – Split vertically ⌘⇧D – Split horizontally ⌘⌥↑ (or ↓, ← or →) – Navigate between panes ⌘⇧↩ – Maximise pane toggle
I use Macs for most things but have one Windows PC. To match the Mac mouse scrolling directions on a Windows machine: Run Powershell as an administrator. Get-ItemProperty HKLM:\SYSTEM\CurrentControlSet\Enum\HID\*\*\Device` Parameters FlipFlopWheel -EA 0 | ForEach-Object { Set-ItemProperty $_.PSPath FlipFlopWheel 1 } Thanks to Richard
Install the Java SE SDK from http://www.oracle.com/technetwork/java/javase/downloads/index.html (you can install multiple versions – 1.7, 1.8 …) Get Homebrew from http://brew.sh/ if you haven’t already and brew update & brew install sbt For vim install the vim-scala plugin from https://github.com/derekwyatt/vim-scala Create the obligatory Hello X App. mkdir HelloSbt & cd HelloSbt & vi Hello.scala Add: Create a build file. vi […]
It’s easy enough to set up a staging environment on Heroku and have the environment use your staging.rb at runtime by setting the RACK_ENV variable to “staging”. Currently there is a problem if you need anything from your staging.rb whilst the slug is being compiled. I ran into this when I specified an asset host. […]
If you’re hosting your app on Heroku (possibly even if you aren’t) it is a good idea to create a staging environment also. Heroku has docs on this but the short version for a new app is: heroku create staging-app-name –stack cedar –remote staging(if the app is already on Heroku, just add the remote: git […]
Using the guard gem to run tests etc in your Rails app normally requires some form of file system monitoring. The monitoring will be OS dependant and rb-fsevent is the gem for OSX. This can be added to the Gemfile conditionally with: gem ‘rb-fsevent’, :require => false if RUBY_PLATFORM =~ /darwin/i Unfortunately when you next […]
https://github.com/ddollar/heroku-accounts is a plugin for Heroku to allow you to use multiple accounts, e.g. work and personal. To install: heroku plugins:install git://github.com/ddollar/heroku-accounts.git Then set up each account: heroku accounts:add personal –auto heroku accounts:add work –auto Set your default: heroku accounts:default personal Then to switch account for an app: heroku accounts:set work
It’s generally good practise to pass variables to view partials using locals rather than littering your code with @variables. This allows better reuse of the partial. To make the locals optional, provide default values if they are nil or undefined. I have seen many recommendations to do this with a test for defined? According to […]
Create the app If not installed, install PostgreSQL rails new app_name -T -d=postgresql cd app_name/ rvm –create –rvmrc 1.9.2@app_name rvm rvmrc trust Edit .Gemfile bundle install createuser -P -S -R -d app_name (no to ‘Superuser’ and ‘Create roles’, yes to ‘Create databases’) rake db:create Create procfile in app root. foreman start and check http://0.0.0.0:5000/ Push […]
It seems to be common wisdom that if you put your email address on the web in plain text you will get spammed (more). There are various ways to try and hide an email address from various crawlers whist still displaying it to visitors, most involving javascript and relying on the crawlers not having […]