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如何写一个数据库How do you build a database?(转载)
转载自:http://www.reddit.com/r/Database/comments/27u6dy/how_do_you_build_a_database/ciggal8Its a great question, and deserves a long answer.Most database...
分类:数据库   时间:2014-08-12 21:24:44    阅读次数:315
HDU 4937 Lucky Number 规律题_(:зゝ∠)_
把所有合法的进制打出来会发现合法的进制都是在  n/3 n/4 n/5的边上 然后暴力边上的进制数。。 #include #include typedef long long ll; bool ok(ll x, ll y) { ll v; while (x > 0) { v = x % y; if (v != 3 && v != ...
分类:其他好文   时间:2014-08-12 19:11:45    阅读次数:164
HDU 4939 Stupid Tower Defense dp
因为瞬间伤害的塔一定是放在终点端的,所以枚举这种塔的个数 然后就能把n^3变成n^2了 #include #include #include typedef long long ll; const int N = 1500 + 2; ll d[N][N]; // j = 3; int Tt = 0, n, x, y, z, t; inline void up(ll& a, ll...
分类:其他好文   时间:2014-08-12 19:08:14    阅读次数:279
VBS调用系统API
如Beep的API声明为Public Declare Function Beep Lib “kernel32″ Alias “Beep” (ByVal dwFreq As Long, ByVal dwDuration As Long) As Long则使用方法如下'创建对象Set Wrap = Cr...
分类:Windows程序   时间:2014-08-12 13:31:44    阅读次数:984
keybd_event 转载
Option ExplicitPrivate Declare Sub keybd_event Lib "user32" (ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Long, ByVal dwExtraInfo As Long)...
分类:其他好文   时间:2014-08-12 13:29:14    阅读次数:276
Long和Date数据类型之间相互转换代码
static final SimpleDateFormat DATETIME_SEC_STR = new SimpleDateFormat("yyyyMMddHHmmss");1.Date转LongLong currStartTime = Long.valueOf(DATETIME_SEC_STR....
分类:其他好文   时间:2014-08-12 13:23:44    阅读次数:184
Convert JS object to JSON string
Modern browsers (IE8, FF3, Chrome etc.) have native JSON support built in (Same API as with JSON2).So as long you're not dealing with IE6/7 you can do...
分类:Web程序   时间:2014-08-12 13:08:24    阅读次数:217
window 7 64位下可运行的递归删除注册表程序
为了完成一个简单的注册表删除程序,由于我本身是win7 64位的OS,写了以下代码来递归删除注册表键值,程序代码如下: #include #include #define KEY_WOW64_64KEY 256 long DeleteSubKeyTree(HKEY hKey, LPCTSTR lpSubKey) { LONG lResult; HKEY hSubKey; DWO...
分类:Windows程序   时间:2014-08-11 21:38:12    阅读次数:353
a new Webcam Api Tutorial in C++ for Windows(Windows Media Foundation)--WMF
Foword from: http://www.dreamincode.net/forums/topic/347938-a-new-webcam-api-tutorial-in-c-for-windows/page__st__0%26 Well, A long time ago I introduced a Webcam Tutorial. It was for Video...
分类:编程语言   时间:2014-08-11 21:26:23    阅读次数:658
VB的MSHFlexGrid控件内容导入Excel
机房收费系统中有很多窗体用到导出到Excel,说一下vb与Excel的交互,如何才能将MSHFlexgrid中的内容导出到Excel。      首先在VB中添加引用Microsoft Excel 14.0 Object Library。然后找到相应按钮,在过程中添加如下代码: Private Sub cmdExport_Click() Dim i As Long, j As Lo...
分类:其他好文   时间:2014-08-11 18:05:12    阅读次数:172
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