榜单
服务器优惠
AI论文
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“There Is No List”
“There Is No List” “There Is No List” Spoon Boy : Do not try and bend the list. That’s impossible. Instead . . . only try to realize the truth. Neo : What truth? Spoon Boy :... -
Query Parameter Types
Query Parameter Types Query Parameter Types Since you’ll be using define-url-function , you need to define a few methods on the string->type generic function from Chapter 28 t... -
第四章：特殊数据结构
第四章：特殊数据结构 第四章：特殊数据结构 在之前的章节里，我们讨论了列表，Lisp 最多功能的数据结构。本章将演示如何使用 Lisp 其它的数据结构：数组（包含向量与字符串），结构以及哈希表。它们或许不像列表这么灵活，但存取速度更快并使用了更少空间。 Common Lisp 还有另一种数据结构：实例（instance）。实例将在 11 章讨论，讲... -
Generic Functions and Classes（广义函数和类）
Generic Functions and Classes（广义函数和类） Generic Functions and Classes（广义函数和类） The fundamental idea of object orientation is that a powerful way to organize a program is to define... -
2.4.9. LRANGE
LRANGE LRANGE LRANGE key start stop 返回列表 key 中指定区间内的元素，区间以偏移量 start 和 stop 指定。 下标(index)参数 start 和 stop 都以 0 为底，也就是说，以 0 表示列表的第一个元素，以 1 表示列表的第二个元素，以此类推。 你也可以使用负数下标，... -
Other Ways to Modify Places
Other Ways to Modify Places Other Ways to Modify Places While all assignments can be expressed with **SETF** , certain patterns involving assigning a new value based on the cur... -
8. Macros: Defining Your Own
8. Macros: Defining Your Own Copyright © 2003-2005, Peter Seibel 8. Macros: Defining Your Own Now it’s time to start writing your own macros. The standard macros I covered ... -
How We Got Here（进化历程）
How We Got Here（进化历程） How We Got Here（进化历程） The historical diversity of file systems in existence during the 70s and 80s can be easy to forget. Kent Pitman, one of the principa... -
What’s Next?
What’s Next? What’s Next? In the next chapter, you’ll look at how to implement a macro that compiles FOO expressions into Common Lisp so you can embed HTML generation code dire... -
The End of the Line
The End of the Line The End of the Line As usual, you could keep working with this code to enhance it in various ways. One interesting avenue to pursue is to use the underlying...