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CTCI 3.3
Imagine a (literal) stack of plates. If the stack gets too high, it might topple. Therefore, in real life, we would likely start a new stack when the ...
分类:其他好文   时间:2014-07-12 08:24:00    阅读次数:258
CTCI 3.3
Imagine a (literal) stack of plates. If the stack gets too high, it might topple. Therefore, in real life, we would likely start a new stack when the ...
分类:其他好文   时间:2014-07-12 08:23:16    阅读次数:231
CTCI 3.3
Imagine a (literal) stack of plates. If the stack gets too high, it might topple. Therefore, in real life, we would likely start a new stack when the ...
分类:其他好文   时间:2014-07-12 08:22:39    阅读次数:181
GridView网格线设置
今天在做网上商城的商品显示,想用网格布局,可是总觉得空空的不好看,所以就想着给它加个网格线,可是遇到问题了,网格布局其实很简单,就是设置GridView布局的背景色和adapter引用的布局设背景色。我的设置如下: 1 2 3 4 5 6 7 8 9 android:id="@+id/gv_group" andro...
分类:其他好文   时间:2014-07-11 00:49:04    阅读次数:591
ThinkPHP 多表查询-如果字段A相同,则把字段B相加
在一个项目中,需要查询表tr_product中的user_id字段,如果user_id相同,则把其对应的money字段相加,数据库截图如下: 实现代码: $Model = D('Model'); $res =$Model->query("SELECT user_id,sum(money) from tr_order GROUP BY user_id"); 结果: array (siz...
分类:Web程序   时间:2014-07-11 00:08:04    阅读次数:293
MFC入门教程之控件(7)设备自动检测ondevicechange的添加和使用
在对话框初始化过程中将设备通知消息注册到winproc中 //Register to receive notification when a USB device is plugged in. broadcastInterface.dbcc_size =sizeof(DEV_BROADCAST_DEVICEINTERFACE); broadcastInterface.dbcc_devicet...
分类:其他好文   时间:2014-07-10 21:49:41    阅读次数:338
linux 生成动态库时提示relocation R_X86_64_32 against `.rodata' can not be used when making a shared object;
linux生成动态库时遇到了relocation R_X86_64_32 against `.rodata' can not be used when making a shared object; recompile with -fPIC错误。 由于我的系统是AMD64位的,所以需要在编译的时候添加 -fPIC选项 解决方法: 例如: g++ -c -fPIC head.cpp ...
分类:系统相关   时间:2014-07-10 21:02:04    阅读次数:16872
zoj3326An Awful Problem
题目链接: 点我点我 题目: An Awful Problem Time Limit: 1 Second      Memory Limit: 32768 KB In order to encourage Hiqivenfin to study math, his mother gave him a sweet candy when the day of the mo...
分类:其他好文   时间:2014-07-10 19:29:30    阅读次数:315
linux文件和目录权限的设置
linux文件和目录权限的设置修改文件权限如果想改变文件或目录的权限,可以使用chmod命令,改变文件或目录的权限有两种方法:助记法和八进制法。·助记法:语法:使用u(user)、g(group)、o(other)、a(all)表示要设置权限的位置,使用+表示添加、使用-表示减少权限、使用=表示设..
分类:系统相关   时间:2014-07-10 18:33:06    阅读次数:268
ios系统提示音的使用(不是铃声)
AudioServices Jump to: navigation, search AudioServices is a group of C functions in AudioToolbox for playing short (≤30 seconds) sounds. Predefined sounds There are some predefined system s...
分类:移动开发   时间:2014-07-10 17:29:49    阅读次数:396
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