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Android 6.0权限申请
一、6.0发布权限变化 1.Android需要手动加入权限申请原因: 1)权限分为了两类:一类是Normal Permissions,这类权限一般不涉及用户隐私,是不需要用户进行授权的,比如手机震动、访问网络等;另一类是Dangerous Permission,一般是涉及到用户隐私的,需要用户进行授 ...
分类:移动开发   时间:2017-03-24 19:12:02    阅读次数:362
poj3041 Asteroids(二分图最小顶点覆盖、二分图匹配)
Description Bessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 <= N <= 500). The grid contains ...
分类:其他好文   时间:2017-03-11 18:54:13    阅读次数:230
kattis-Ocean Currents
Ocean Currents For a boat on a large body of water, strong currents can be dangerous, but with careful planning, they can be harnessed to help the boa ...
分类:其他好文   时间:2017-02-04 18:52:04    阅读次数:253
warning: the `gets' function is dangerous and should not be used.(转)
今天在LINUX下编译C程序时,出现了:warning: the `gets' function is dangerous and should not be used. 这个warning。 百度之后,得知 问题出在程序中使用了 gets ,Linux 下gcc编译器不支持这个函数,解决办法是使用 ...
分类:其他好文   时间:2017-01-10 10:11:59    阅读次数:248
Light OJ 1027 - A Dangerous Maze (数学-期望)
题目链接:http://www.lightoj.com/volume_showproblem.php?problem=1027 题目大意: 一个迷宫, 有n个门,选择一个门花费为|ai|, 如果选择的门是正数, 那么直接走出迷宫, 否则重新回到起始位置。选择每一道门的概率是一样的。求走出迷宫的花费的 ...
分类:其他好文   时间:2016-10-27 00:53:22    阅读次数:154
UVa 1025 A Spy in the Metro(动态规划)
传送门 Description Secret agent Maria was sent to Algorithms City to carry out an especially dangerous mission. After several thrilling events we find he ...
分类:其他好文   时间:2016-09-17 00:18:11    阅读次数:227
poj 3041 Asteroids
Asteroids Description Bessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 <= N <= 500). The gri ...
分类:其他好文   时间:2016-09-14 09:36:10    阅读次数:121
Codeforces Round #129 (Div. 2) A
Description The Little Elephant loves Ukraine very much. Most of all he loves town Rozdol (ukr. "Rozdil"). However, Rozdil is dangerous to settle, so ...
分类:其他好文   时间:2016-07-30 13:32:36    阅读次数:147
如何正确地在手机上显示图片——QImage与QPixmap完全解析
引言 用Qt程序在手机上显示一幅图片对编程人员来说是再基础不过的一件事情了。那么先让大家看两段代码: //dangerous should not be used, cannot display earth.png, //but if we change earth.png to a smaller ...
分类:移动开发   时间:2016-06-11 00:35:05    阅读次数:427
lightoj-1027 - A Dangerous Maze(数学期望)
1027 - A Dangerous Maze PDF (English) Statistics ForumTime Limit: 2 second(s) Memory Limit: 32 MBYou are in a maze; seeing n doors in front of you in ...
分类:其他好文   时间:2016-05-31 06:20:13    阅读次数:178
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