Saving and Loading the Database Saving and Loading the Database Having a convenient way to add records to the database is nice. But it’s not so nice that the user is going to b...
Strings in Binary Files Strings in Binary Files Textual strings are another kind of primitive data type you’ll find in many binary formats. When you read files one byte at a ti...
Hash Table Iteration(哈希表迭代) Hash Table Iteration(哈希表迭代) Common Lisp provides a couple ways to iterate over the entries in a hash table. The simplest of these is via the functio...