I have a small custom scripting language, and I am trying to update it to allow boolean expressions such as a > 2 and a > 2 and (b < 3 or c > 5).It\'s the parenthetical expressions that I
How do I remove left recursion on the following rule: S -> aSAbb | aA I understand how to perfor开发者_如何学Gom it on S -> SA | A
Trying to figure out re开发者_JS百科moving left recursion in context free grammars. I\'m used to certain forms, but this one has me a bit boggled.
I\'m having a problem with a cocoa application th开发者_Go百科at takes the value of a text field, and writes it to a file. The file path is made using stringWithFormat: to combine 2 strings. For some
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