spot7.org logo
Home PHP C# C++ Android Java Javascript Python IOS SQL HTML Categories

Finding the lowest value within an instance variable


def show_cheapest_item(self):
    """ (ShoppingCart) -> int
    Return the cheapest item in the cart, or -1 if
no items are in the cart
    """
    if len(self.cart) == 0:
        return -1
    cheapest_item = self.cart[0]
    for item in self.cart[1:]:
        if item.price < cheapest_item.price:
            cheapest_item = item
    return cheapest_item

Categories : Python

Related to : Finding the lowest value within an instance variable
Finding the lowest value in dictionary
The problem in your code is that you initialize lowest to 0. If all your cities have positive temperatures, lowest will never change when you compute the min, and no city will ever satisfy the if city[key] == lowest: test. A way to fix this is to initialize lowest to one of the temperatures of the cities. For example you could add: lowest = temperature below if user == "stop": to initialize

Categories : Python
how to access an instance of a class from its instance variable
You must create new object from instance A A aa = new A(); OR public class B extends A { public B() { // need to access A } }

Categories : Java
Java : performance of the instance without variable
Test.getInstance().firstMethod() Test.getInstance().secondMethod() Test.getInstance().thirdMethod() This will create three different instances of the Test class and call a method on each. Test test = Test.getInstance(); test.firstMethod(); test.secondMethod(); test.thirdMethod(); Will create only one instance and invoke the three methods on that instance. So it's a completely different behav

Categories : Java
Best Way to initialize a instance variable in Rails
If you really dont want to use after_initialize, create the variable on the fly: attr_writer :test def testing self.test += 1 end def test @test ||= 0 end

Categories : Ruby On Rails
Instance variable in Rails helper not set
Try using deep_merge!: def add_meta_tag_options(opt) meta_options.deep_merge!(opt) end

Categories : Ruby On Rails
Recently Add
Overriding save method vs Model Method?
function encrypt file - input & output to same file in python
urllib.error.URLError:
python if statement fails to compute compound logic
referencing sphinx generated Python docs from YAML file
Subclassing datetime64
filter view from url parameter with an intermediate model?
How to stream twitter mentions with tweepy?
How to space out rows and columns in Python Tkinter
Python: Using BeautifulSoup to save content to CSV
Python - Take parts of a txt file and put them in another txt
Python socket send doesn't send the whole string
Python: prime test
How to import one day old logs
Appending filters to django models
Python: parsing .xls file failed with both xlrd and pandas
writing pandas dataframe columns to csv rows staggered
parse_args doesn't seem to understand json arguments
Django ORM, get data
Pygame, keep jumping and glitching through the "ground"
Is it possible to import a class defined inside a function?
How to handle a variable number of nested for loops?
Boolean expression with strings
Object duplicated when using processing.Manager?
What is the syntax of PBS job limit directive
python 3.x overwrite previous terminal line
Deploying django app. on heroku (gunicorn, wsgi issue)
How can I create an "ID" column in one dataframe based on the index of another dataframe?
PIL Module Error
pandas.read_html returns only one table
© Copyright 2017 spot7.org Publishing Limited. All rights reserved.