schneems

## 1) What does ERB stand for?


Embedded RuBy


## 2) What is the name of the place (library) where additional built in Ruby functions can be accessed?


STDlib

schneems

## 1) What does MVCr stand for?






## 2) In what file do we store 'r' from MVCr ?

schneems

## Week 3 Quiz


## 1) What does ERB stand for?



## 2) What is the name of the place (library) where additional built in Ruby functions can be accessed?

schneems

## Week 5 Quiz

## 0) Name 3 types of variables in Ruby? Put them in order from least scope to greatest.


## 1) Where do SQL queries belong, the view or controller?

schneems

## 1) What does MVCr stand for?

Model View Controller Routes




## 2) In what file do we store 'r' from MVCr ?

schneems

## 1) Instance or class method?

A)  User.where(:name => 'rich')

schneems

## Week 5 Quiz

## 0) Name 3 types of variables in Ruby? Put them in order from least scope to greatest.

a) Local (new = "foo")
b) Instance (@new = "foo")
c) Constant (NEW = "foo")

## 1) Where do SQL queries belong, the view or controller?

schneems

## 1) What is SQL Injection



## 2) Which of these are safe from SQL Injection attacks?

A)

    User.where(:name => params[:name])

schneems

## 1) Instance or class method?

A)  User.where(:name => 'rich')

Class Method




B) @user.favorite_movie

schneems

1.9.3p194 :027 >   Benchmark.measure {User.where(:name => 'richard').first.products}.real
 => 0.001004934310913086 
1.9.3p194 :028 > Benchmark.measure {Product.joins(:user).where(:users => {:name => 'richard'})}.real
 => 0.00015497207641601562