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David Harkness

I have a passion for designing and writing great software. Since starting at twelve on an Apple //e with simple BASIC games and progressing to a complete 6502 assembly text-based-GUI syllabus builder, I've learned several languages and worked on a wide array of applications and architectures.

For over twenty years I've focused on web-based Java and PHP systems backed by MySQL and Oracle databases and dabbled in React.

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22 Prime number generator exercise Mar 7 '14
19 Sudoku Solver in C Dec 15 '13
19 SudokuSharp Solver with advanced features Dec 16 '13
18 Rendering a person's time clock record in HTML, with many color-coded conditions Aug 20 '14
13 Searching in an array in less than O(n) time Dec 3 '13
13 Ruby Sudoku solver Dec 19 '13
13 HTML tag encoder Apr 12 '12
13 Country selector: if or ternary? Aug 23 '12
13 Java implementation of spell-checking algorithm May 4 '14
11 Find intersections of overlapping intervals Aug 25 '13
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