data abstraction
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Transitioning from Sequential Programming to Concurrent Programming in the Ticket Sale Example
Stanford / Computer Science
Transitioning from Sequential Programming to Concurrent Programming in the Ticket Sale Example, Problems with the Sequential Model, Threading Interface, Rewriting the Ticket Example to Use It, Adding a Randomized Threadsleep Call to the Threads to Make the Time Slices Used by the Different Threads Less Uniform, Sample Output of Our Ticket Threads, How a Thread Can be Interrupted in the Middle of a Nonatomic Operation, How Multithreading Ca...more
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Converting Between Types of Different Sizes and Bit Representations Using Pointers
Stanford / Computer Science
Converting Between Types of Different Sizes and Bit Representations Using Pointers, Little Endian vs. Big Endian, Structs: How the Data of a Struct is Stored, Accessing the Data of a Struct, Arrays, Pointer Arithmetic on Arrays, Result of Casting Arrays to Different Types, Layout in Memory of Structs, Dynamically Allocated Strings in C vs. Arrays of Characters, Modifying Internal Data of Structs Using strcpy, Character Arrays and cout, Gen...more
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Decomposition and abstraction through functions; introduction to recursion
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readInt() and readDouble(), The Division Operator w.r.t ints and Doubles, Order of Precedence for Operators, Type Casting, Shorthands, Constants, The Boolean Data Type, Value Comparisons, Boolean Expressions, Short Circuit Evaluation, Statement Blocks, Scope of Variables, Cascading if, The Switch Statement, The For Loop, The While Loop
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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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Census data is often politically influenced and hence inaccurate. The birthrate in developing countries is nearly twice that in developed countries. Most humans live in less developed countries, so the world birthrate is near the higher number. The world birthrate is two and a half times the death rate; we are not close to population stabilization. Almost everywhere, the death rate has been drastically reduced; further changes will not mas...more
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Problems with Ownership of Memory, How Default Implementation of Stackdispose Does Not Free Dynamically Allocated Data, Adding a Free Function to the Stack Implementation, Rewriting Stackdispose to Incorporate It, Writing a Free Function for a Stack of C-Strings, Pitfalls When Writing Such Functions, C Library Functions for Assignment 3 - Memmove (Memcpy That Can Copy Using Two Regions That Overlap), Example of Rotate Function, C Qsort Fun...more
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Data shows, consistently, that poor people have more children than rich people; economically speaking, children are an inferior good. Children are production goods because they do work, consumption goods because they are enjoyable, and investment goods because they support parents in old age. Jobs in the modern sector require education and health. To pay for this, parents have to focus their resources on fewer children.
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C/C++ Data Types - Interpretations, Sizes, Bits- How Bytes are Broken Up into Bits, Breaking Up a Character's Decimal Value into its Underlying Bit Structure, Shorts - Interpreting Data that Consists of More Than One Byte, Representations of Negative Numbers, The Sign Bit, Two's Complement Addition, Converting Between Chars and Shorts, How the Bit Representation is Transferred, Converting Between ints and shorts, Sign Extending During Conv...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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Review of Compilation Process of a Simple Program Into a .O File, Effect of Commenting Out a C Standard Library .H File on the Resulting Translation Unit, How Gcc Infers a Prototype When None Is Found and the .O File Remains the Same, How the Gcc Linker Is Able to Link Standard Library Files Without a #Include, The (Similar) Result When the .H File with Malloc's Prototype Is Not Included, How Commenting Out Assert.H Creates Different Resul...more
