If you're not prepared to be wrong, you'll never come up with anything original. – Sir Ken Robinson
(Updated July 26, 2024) “Um, I’ll tell you the problem with the scientific power that you’re using here: it didn’t require any discipline to attain it. You read what others had done, and you took the next step. You didn’t earn the knowledge for yourselves, so you don’t take any responsibility for it.” – Dr. … Read More “Before you paste that code you found during your online search…” »
(Updated August 5, 2024) Table of Contents Bitwise Operators Two’s Complement Numbers Shifting and Rotating Showing the Bits Bitwise Operators Within computer science, there is a desire to manipulate individual bits. Although memory is plentiful in many computing systems, that does not excuse one from considering all possible solutions to making a program or system … Read More “Bitwise Operators and Two’s Complement.” »
(Updated March 24, 2020) Table of contents Overview Decimal Binary Octal Hexadecimal Exercises Overview Numbers systems are simply the means by which we represent values given a particular radix. The radix represents the base counting system. As a defined standard we generally use the Hindu-Arabic numerals of the base 10 counting system, or simply base … Read More “Number Systems” »
(Updated August 26, 2020) Overview As we write programs we gain knowledge. This is especially true in an educational environment. We learn when to select certain constructs in favor of others. We may also learn about scalability, execution time, memory consumption and I/O utilization. If we are truly blessed, our instructor even explains in detail … Read More “Big-O Notation” »
When designing a basic application program, certain details may be elusive. For example, how many variables will be needed, or how many methods will need to be created. There is no simple prescription that can handle all of the possibilities. The only thing that can be done is begin to process the information and formulate … Read More “Approaching a Project” »