To use map/filter/reduce on lists would for the longest time immediately identify you as a lisp hacker. Overtime the immense utility of these list operations have led to their being incorporated by more and more mainstream languages. Now you can find t
Symbol tables are a fundamental part of compilers. Depending on the compiler and the semantics of the language being compiled different symbol tables may be used for different phases of compilation, or one symbol table may be used through the entire co
As Hanukkah approached and I gathered my holiday supplies, I ran through my list to make sure I had everything I needed. Latkes? Check. Chcoclate Gelt? Double check. Menorah? Check. Candles? Check.... I think? How many am i going to need? Now, I could
In 1973 Vaughn Pratt published a paper about a method of top down expression parsing he devised while implementing the CGOL programming language, ultimately to little fan fare. And so quietly it sat, forgotten on the shelf while the academic world did
Initially designed in the 1970's as a "portable assembly" language to facilitate implementing Pascal compilers on the varying computer architectures of the day, P-Code is the progenator of all modern bytecode interpreters. The success of the UCSD Pasca
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Composable Linked Digraphs: Yet another NFA Data Structure
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Improving the Space Efficiency of Suffix Arrays
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Augmenting B+ Trees For Order Statistics
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Top-Down AST Construction of Regular Expressions with Recursive Descent
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Balanced Deletion for in-memory B+ Trees
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Building an AST from a Regular Expression Bottom-up
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The Aho, Sethi, Ullman Direct DFA Construction Part 2: Building the DFA from the Followpos Table
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The Aho, Sethi, Ullman Direct DFA Construction, Part 1: Constructing the Followpos Table
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Procedural Map Generation with Binary Space Partitioning
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Exact Match String Searching: The Knuth-Morris-Pratt Algorithm