Search for tag: "helper"

17 Media

Lesson 30.7 Quicksort duration 5 minutes 10 seconds Lesson 30.7 Quicksort Lesson 30.7 Quicksort	Lesson 30.7 Quicksort The partition algorithm breaks up the list into two kind-of-sorted portions. In this video, we show how to use this fact with divide-and-conquer to implement a new sorting algorithm: quicksort. For… quicksort pivot partition function helper region left qsort module elements parts thing algorithm regions position divide log fact insertion selection From Hannah Lee 36 plays
Lesson 30.3 Insertion Sort duration 7 minutes 51 seconds Lesson 30.3 Insertion Sort Lesson 30.3 Insertion Sort	Lesson 30.3 Insertion Sort In this video we introduce insertion sort, which is one of the simplest sorting algorithms to understand. If you have ever sorted cards in your hand it is likely that you have used this sorting… region position insertion hand question loop mark algorithm function card lot cards thing element statements assignment location notation helper helpers From Hannah Lee 42 plays
Lesson 29.8 Native Coroutines (OPTIONAL) duration 10 minutes 11 seconds Lesson 29.8 Native Coroutines (OPTIONAL) Lesson 29.8 Native Coroutines (OPTIONAL)	Lesson 29.8 Native Coroutines (OPTIONAL) This video introduces an advanced topic that is completely optional and is not relevant to the final assignment. If you Google Python and coroutines, you will get something very different than what… routines routine task thing yield pipe parent coroutines helper child word lot synchronization weight function files problem progress tasks count From Hannah Lee 24 plays
Lesson 29.5 Timed Animation duration 6 minutes 54 seconds Lesson 29.5 Timed Animation Lesson 29.5 Timed Animation	Lesson 29.5 Timed Animation Our primary application of coroutines in the final assignment is timed animations. In this video we talk about what these are and how to design them with the GameApp class. animation key angle attributes update helper release rotation amount attribute keys generators problem position starting stuff lot method image press From Hannah Lee 63 plays
Lesson 27.8 Application Design duration 8 minutes 9 seconds Lesson 27.8 Application Design Lesson 27.8 Application Design	Lesson 27.8 Application Design Game applications (and graphical applications in general) can get pretty complicated. In this video we talk about how to break up your code to make it more readable and more manageable. In some… class app animation attributes classes subclass helper ellipse game method text object things screen thing functions parameter update label angle From Hannah Lee 60 plays
Lesson 27.6 Application State duration 6 minutes 27 seconds Lesson 27.6 Application State Lesson 27.6 Application State	Lesson 27.6 Application State Even though you only need to implement three methods in GameApp subclass, this methods will eventually get very long. In this video we introduce the concept of application state, and talk about how… circle helper application attribute things thing key space invariants angle factor invariant specification names enumeration ellipse enemy update numbers categories From Hannah Lee 67 plays
Lesson 25.6 Complex Custom Error Types duration 8 minutes 36 seconds Lesson 25.6 Complex Custom Error Types Lesson 25.6 Complex Custom Error Types	Lesson 25.6 Complex Custom Error Types When we were recording the video on custom error types, it ran quite long. So we decided to break it up into a second video. In this video we look at a slightly more complicated error type. We also… error air object attribute function e. things custom helper colon lot args variable alright purpose trie problem recovery input technique From Hannah Lee 66 plays
Lesson 23.5 Mixed-Type Operators duration 8 minutes 19 seconds Lesson 23.5 Mixed-Type Operators Lesson 23.5 Mixed-Type Operators	Lesson 23.5 Mixed-Type Operators Operator overloading allows us to redefine the meaning of + or * on objects of our class. But sometimes we want to mix together types like a fraction and integer. In this video we show that it is… fraction fractions times multiplication method underscore int thing helper methods star left operation precondition integer definition expression p. multiply sense From Hannah Lee 76 plays
Lesson 23.2 Operator Overloading duration 5 minutes 39 seconds Lesson 23.2 Operator Overloading Lesson 23.2 Operator Overloading	Lesson 23.2 Operator Overloading In this video we introduce the primary tool for abstraction in Python. Operator overloading allows us to define additional meanings for any built-in symbol such as + or *. Because Python uses the… underscore helper fraction times methods string thing operators bottom mall method function symbol call q. constructor types things python lot From Hannah Lee 84 plays
Lesson 22.8 Subclass Initializers duration 9 minutes 7 seconds Lesson 22.8 Subclass Initializers Lesson 22.8 Subclass Initializers	Lesson 22.8 Subclass Initializers In this video we show that thte primary purpose of the super function is in the initializer method of the subclass. That is because we cannot guarantee that all of the attributes for the parent class… initializer bonus executive attribute salary employee attributes setters class module method getter helper problem tutor things thing methods getters setter From Hannah Lee 74 plays
Lesson 22.7 The super Function duration 8 minutes 49 seconds Lesson 22.7 The super Function Lesson 22.7 The super Function	Lesson 22.7 The super Function Sometimes you do not want to completely override a method. You just want to override part of it, or add a few extra features at the end. In this video, we introduce the super function which allows us… class executive employee object folder str method string function helper super rule bottom thing arguments tutor parent corner argument shell From Hannah Lee 78 plays
Lesson 22.6 Method Overriding duration 9 minutes 13 seconds Lesson 22.6 Method Overriding Lesson 22.6 Method Overriding	Lesson 22.6 Method Overriding Subclasses inherit all of the methods of their parent. But suppose you do not want to use the inherited version of a method, but want to define a new one instead? In this video we talk about the… employee string executive method initializer class salary function helper attributes str object question bonus underscore subclasses whoa thing folder constructor From Hannah Lee 79 plays
Lesson 20.10 Representation Methods duration 10 minutes 3 seconds Lesson 20.10 Representation Methods Lesson 20.10 Representation Methods	Lesson 20.10 Representation Methods When we first introduced objects, we talked about the concept of object representation. But how does Python know how to use this representation. In this video, we see that this is the result of… string function class object helper underscore worker python methods initializer wrapper point purpose things method repr representation str repre tuple From Hannah Lee 79 plays
Lesson 17.10 Recursion and Helper Functions duration 9 minutes 31 seconds Lesson 17.10 Recursion and Helper Functions Lesson 17.10 Recursion and Helper Functions	Lesson 17.10 Recursion and Helper Functions Divide-and-conquer is not the only example of recursion. It just happens to be one of the most interesting. But in this video we show that even some of the simplest of recursive definitions become… palindrome function letters lowercase letter definition functions uppercase punctuation problem python helper characters recursion series period specification mix sentences change From Hannah Lee 313 plays
Zoom Oct. 8. Asserts and Error Handling duration 50 minutes 42 seconds Zoom Oct. 8. Asserts and Error Handling Zoom Oct. 8. Asserts and Error Handling	Zoom Oct. 8. Asserts and Error Handling In this session we review how we read error messages in Python. We also show how to both create errors and how to recover from them.Once again, we will spend a significant amount of this class on… error exam assignment string function alright lot call majority things thing questions letters helper question lab net preconditions fact quotes From Hannah Lee 25 plays
Lesson 13.6 Assert Helpers duration 8 minutes 24 seconds Lesson 13.6 Assert Helpers Lesson 13.6 Assert Helpers	Lesson 13.6 Assert Helpers Sometimes we absolutely need to enforce all of our preconditions, and we cannot live with the compromises of the previous video. In this video we show how to use top-down design to give us more… space function spaces string words precondition preconditions currency helper middle word format statement thing exchange asserts stuff character end beginning From Hannah Lee 73 plays