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This article is translated from http://doc.norang.ca/org-mode.html, originally written by Bernt Hansen. Because the original text is long, it will be published in multiple articles. Please mark the source for reprint. This chapter mainly introduces org Publish export function, org-mode Although it is in text mode, it provides powerful publis ...

As we have defined the if function above, there is still a problem. That is, when the parameter is atom or a simple function that does not involve recursion, everything is normal. If the recursion function is involved, there will be a problem. Here is a classic example(define fact (lambda ( n) (if (= n 1) 1 (* n (fact (- n 1)))))) ...

In the last article, we already have a simple lisp interpreter (JLispInter), which supports:Variable: aBinding: (define a 5)Four operations: + - */Function (lambda (x) (exp))Call (g exp)At that time, we also left some questions:For example, the parser does not support strings, the four operations define in high-order functions cannot be used as ...

1. Customized agenda view I customized an all inclusive agenda view. I also kept another simple agenda view, which usually works on my slower Eee PC - because it's too slow. I usually spend a lot of time simplifying the agenda view and want the agenda view to include everything. Most of the customized agenda views I used to have are no l ...

1. Problem Description: Given an expression similar to Lisp statement, calculate its calculation result. The expression syntax is as follows: Expressions can be integers, let syntax, add syntax, mult syntax, or assigned variables. The result of an expression is always an integer. (integers can be positive integers, negative integers, 0) Let sy ...