andreaseriksson

###Text Delete word: dw
Delete line: dd
Delete rest of the line: D or C
Undo: u
Redo: ctrl+r
Yank: y or Y
Copy the line: yy
Copy the word: yw
Paste the copied or deleted text after the current line: p

andreaseriksson

###Navigation character left, right; line up, down: h l k j

word/token left, right: b w

Move to the end of a word: e

Move forward to the beginning of a word. w

Move forward three words. 3w

andreaseriksson

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

andreaseriksson

emails = %w/ [email protected] [email protected] 23214sdj^as
    [email protected] /
    
pattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9-]+\.[a-zA-Z.]{2,5}$/

emails.each do |email| 

    if email.match pattern
        puts "#{email} matches"
    else

andreaseriksson

mail.attachments.should have(1).attachment
attachment = mail.attachments[0]
attachment.should be_a_kind_of(Mail::Part)
attachment.content_type.should be_start_with('application/ics;')
attachment.filename.should == 'event.ics'

andreaseriksson

def to_dotted_hash(hash, recursive_key = "")
  hash.each_with_object({}) do |(k, v), ret|
    key = recursive_key + k.to_s
    if v.is_a? Hash
      ret.merge! to_dotted_hash(v, key + ".")
    else
      ret[key] = v
    end
  end
end

andreaseriksson

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

andreaseriksson

<!-- HTML5 shim, for IE6-8 support of HTML5 elements -->
<!--[if lt IE 9]>
  <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->

andreaseriksson

f.error_messages
f.input :username
f.button :submit

f.input :username, label: 'Your username please'
f.input :password, hint: 'No special characters.'
f.input :email, placeholder: '[email protected]'
f.input :remember_me, inline_label: 'Yes, remember me'

f.input :username, label_html: { class: 'my_class' }

andreaseriksson

<strong class="code" id="message">Hello, World!</strong>
%strong{:class => "code", :id => "message"} Hello, World!
%strong.code#message Hello, World!
================================================================
<div class='item' id='item<%= item.id %>'>
  <%= item.body %>
</div>

.item{:id => "item#{item.id}"}= item.body
================================================================