Find the errors in the following
1.)*
My script is loading fine, but separate style sheets aren't working
<!DOCTYPE html>
<html>
<head>
<link rel="sytlesheet" type="text/css" href="/style/style.css">
</head>
2.)*
Why is my form not working?
<form action="get" method="/">
<input type="text" name="my_name">
<button>Submit</button>
</form>
Added _
3.) *
My double route isn't working! Why isn't the route working?
…
get "/double/:my_number" do
input = params[:my_number]
@double = 2*input.to_i
erb :show
end
.to_i
What does
get "/double/2"return?
4
4.) *
My greet route isn't working! What should I change?
app.rb
get "/greet/:name" do
@submitted_name = params[:name]
erb :show
end
@
show.erb
<div>
Hello <%= @submitted_name %>!
</div>
When I go to
/greet/worldexpectingHello World!, but I get the following error:
NameError at `/greet/world`
undefined local variable or method `id' for
#<Sinatra::Application:0x007f892315d160>
BACKTRACE
____________________________________________
2. <%= submitted_name %>
@
5.)*
What do you think of my controller? I don't even need a view. Why shouldn't I put all this in my controller?
get "/" do
pageTitle = "myApp!"
"<!DOCTYPE html>
<html>
<head>
<title>#{pagetitle}</title>
</head>
<body>
<div>
Hello there!
</div>
</body>
</html>"
end
RESTful Seperation of Concerns Hard to update, ugly, long document
6.)*
Look at my view! This works, but why should I be doing things this way?
app.rb
get '/person/:name` do
erb :show
end
show.erb
<div>
<% person = params[:name] %>
Hello <%= person %>
</div>
Or separate the content that's page specific onto pages. Seperation of Concerns
7.)*
Revise the method so that this test will pass
describe "square method" do
it "should square each element in the array" do
my_array = [ 1, 2, 3, 4, 5]
square(my_array).should == [ 1, 4, 9, 16, 25]
end
end
my_array = [ 1, 2, 3, 4, 5]
def square(my_array)
array.map { |element| element**2 }
end
map
8.)/
Determine the result of the method call
def mystery_method(array)
array.inject(2) { |acc, num| acc*num }
end
# Determine the results of the following command
puts mystery_method([1,2,3,4])
123*4 48
9.)*
Find the 2 errors in this css file
div {
color: red;
float: left;
}
10.)/
a. How to reference the Director of the movie Jaws.
?tesh_has[Search].index[0]
test_hash[
select_jaws = test_hash['Search'].select {|movie| movie[:Title] == "Jaws"}.map { |info| info[:Director] } select_jaws ==> Steven Spielbert
or
test_hash['Search'].find {|movie| movie[:Title] == "Jaws"}[:Director]
b. How to reference the Year of the movie Die Hard.
test_hash = {
"Search" => [{
Title: "Jaws",
Data: {Year: 1975, Rating: 'PG', Runtime: '124 min'},
Director: "Steven Spielberg"},
{
Title: "Die Hard",
Data: {Year: 1988, Rating: 'R', Runtime: '131 min'},
Director: "John McTiernan"}]}
i = [:Year]