编程中出现的错误; 1 variable i 没有定义 int i 2 setVisible拼写错误 import java.awt.*; public class A { public static void main(String args[])throws Exception { Frame f=new Frame ("list Text"); f.setVisible(true); list list=new list(7); TextField tf=new TextField(); list.add("1"); list.add("2"); list.add("3"); list.add("4"); list.add("5"); f.add(list,"Center"); f.add(tf,"...
by xialina - Java文档中心 - 2008-12-03 22:29:34 阅读(1127) 回复(0)
list 的分片(slice) >>> li ['a', 'b', 'mpilgrim', 'z', 'example'] >>> li[1:3] ['b', 'mpilgrim'] >>> li[1:-1] ['b', 'mpilgrim', 'z'] >>> li[0:3] ['a', 'b', 'mpilgrim'] 总的原则是“左包括,右不包括” Slice简写 >>> li ['a', 'b', 'mpilgrim', 'z', 'example'] >>> li[:3] ['a', 'b', 'mpilgrim'] >>> li[3:] ['z', 'example'] >>> li[:] ['a', 'b', 'mpilgrim', 'z', 'example'] extend与append的区别 >>> l...
class Solution {
public:
vector
linux 下 gadget hid compliant device driver, 请问用默认的Endpoint0 做 out_endpoint 传输, 在收到set_report 命令后,怎么read data( from host/pc)! who can help me !!!!:sleepy:
本帖最后由 fuchuangbob 于 2010-02-05 10:33 编辑 看网上有些人做过这方面的东西,不过说得不是很详细,望详细说明一下。 我现在的想法是自己写一个驱动,如何来实现?要用到哪些API?
USB hid usage table This usage table lets usbhidctl decode the hid data correctly for the APC RS/XS1000's. This work was obtained from riccardo@torrini.org. Sample output is available both with and without the table. Note that the default /usr/share/misc/usb_hid_usages already contains entries for these a Power Device (132 or 0x84) and a Battery System (133 or 0x85). It is interesting that usb...
本人在调试一个刷卡器驱动的时候,在中断urb处理时报错-EINPROGRESS,查了查文档,说可能是驱动的一个bug,在此发帖求助可能引起问题的原因,谢谢。