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Car-Cdr Recursion Problem that Returns the Sum of Every Element in a List of Integers, How Scheme Checks Type During Run-Time Rather than Compilation, Recursive Implementation of the Fibonacci Function in Scheme, Example that Illustrates Runtime Error/Type Checking Vs. Compile-Time Error/Type Checking, Writing a Recursive Flatten Function that Removes All the Intervening Parentheses from a List, Using a Cond Structure to Branch Over the Va...more
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More Detail about Activation Records - Layout of Memory During a Function Call
Stanford / Computer Science
More Detail about Activation Records - Layout of Memory During a Function Call, How the Return Address of a Function is Stored on the Stack, Example Showing How an Activation Record is Constructed on the Stack, Setting Up Function Parameters on the Stack, Using the Call Instruction to Jump to the Function, Cleaning Up at the End of a Function and Using the RET Instruction and the Saved Return Address to Return to the Original Function, Gen...more
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Final Showdown, Thinking About Design, Runtime Performance, Memory Used, Code Complexity, Making Tradeoffs, Array vs Vector, Stack/Queue vs Vector, Set vs Sorted Vector, Pointer-based vs. Contiguous Memory, CS106B MVPs, Pointers, To Remember Years from Now, After CS106B, considering.cs
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Heap Management - How Information about Allocations are Stored in the Heap
Stanford / Computer Science
Heap Management - How Information about Allocations are Stored in the Heap, Result of Freeing Memory Improperly, Actual Sizes of Heap Allocations - Nearest Power of 2, Management of Free Blocks on the Heap by Storing Addresses in the Blocks of Free Memory, Algorithms for Choosing Which Free Block to Allocate, How the Heap's Free List Can Be Updated When Memory is Freed, How Adjacent Free Blocks Are Combined To Avoid Fragmentation, Compacti...more
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Moving from C Code Generation to C++ Code Generation: Basic Swap Example
Stanford / Computer Science
Moving from C Code Generation to C++ Code Generation: Basic Swap Example, Code Generation for the Pointer Swap Function, Code Generation for the C++ Version Of Swap Using References, Which Are Treated as Automatically Dereferenced Pointers, Local Variables Declared as References, Difference Between References and Pointers, Effect Of Declaring a Class on Memory in the Stack, Class Methods, Which Take a "This" Pointer as An invisible First P...more
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Pointer Movie, Pointer Operations: Code & Pointer Memory Diagrams, Pointer Basics, Pointer and Dynamic Arrays, Use of Pointers, Recursive Data, A Recursive Structure, Live Demo: Working with Linked List, Building the List
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How a Code Snippet is Translated into Assembly Instructions, Store, Load, and ALU Operations, Assembly Optimizations for 4-Byte Addresses, Context-Insensitive Code Translation, Overriding the 4-Byte Default in Assembly Instructions, Translating a For Loop into Assembly, Using Branch Instructions and the PC Register, Pointer/Array Arithmetic in Assembly, Unconditional Branch Instructions (Jumps), How a 4-Byte Assembly Instruction is Encoded...more
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Selection Sort, Live Demo: Working/execution of the Code, Selection Sort Analysis, Insertion Sort Algorithm, Live Demo: Working/execution of Insertion Sort, Insertion Sort Analysis, Insertion vs Selection, Quadratic Growth of the Algorithm, Merge Sort, Merge Sort: Working/execution Demo, Merge Sort Code Explanation, Merge Sort Analysis, Quadratic vs Linear Arithmetic, Sort 'Race', Quick Sort Idea
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In this lecture, Professor Donald Kagan offers a sketch of the Greek heroic code of ethics. He shows that in this community, arête (manly virtue) and honor are extremely important and even worth dying for, as the case of Achilles makes clear. In addition, Professor Kagan shows how this society eventually produced a new phenomenon, the rise of the polis. The discussion ends with a strong emphasis on the importance of the polis in Gree...more
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Principles of Good Software Engineering for Managing Large Amounts of Data
Stanford / Computer Science
Principles of Good Software Engineering for Managing Large Amounts of Data, Principles of Design, The Collection Hierarchy, Useful Methods of Collection, The FlyTunes Example Program - An Online Music Store, Defining the Song Class, Defining the Album Class, Seeing the Program Run, Considering the Data Structures Needed, Reusing Data - Shallow Copy vs. Deep Copy, The FlyTunesStore Program Code
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Pointer Recap, Why are Objects 'Call by Reference' Instead of 'Call of Value'?, Wrapper Classes for Primitive Types, Files, Code for Opening, Reading and Closing Files, Exceptions, Code for Writing Files
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Common code patterns: iterative programs
