Shows how to display or print a multi-page PDF document and scroll an NSscrollview s contents by dragging.

The Recipes sample app lets you browse recipes. This sample adds the ability to print the recipes. It demonstrates formatting data presented by the application UI in a completely custom way for the printed page. By subclassing UIPrintPa

二分查找的实现 输入一个数组，程序将对其进行排序，并打印出排序结果 再输入一个数，程序会查找这个数在已排序数组中的位序，并打印出来-Find the realization of two Enter an array, the program will be sorted, sort and print out the results Then enter a number, the program will find this number in the sorted ar

Code to print sum of first 1000 primes