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Unioning two tables with different number of columns
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answered Feb 22 '10 at 9:35
KangkanKangkan
13.2k99 gold badges6161 silver badges106106 bronze badges
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Delete duplicate records in SQL Server?
...umeric, char, varchar, uniqueidentifier, or datetime columns, but not with bit columns
For 2008 R2 and earlier,
MIN can be used with numeric, char, varchar, or datetime columns, but not with bit columns (and it also doesn't work with GUID's)
For 2008R2 you'll need to cast the GUID to a type...
techniques for obscuring sensitive strings in C++
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@kb - that's an interesting point. I'd guess you'd see bitwise ands and ors happening a lot more than xor. a ^ b == (a & ~b) || (~a & b)
– Jeremy Powell
Nov 2 '09 at 17:26
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Getting the object's property name
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edited Aug 10 '18 at 7:22
Eric
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an...
BugTrap：程序崩溃快照、bug跟踪之利器 - C/C++ - 清泛网 - 专注C/C++及内核技术
...法：
BOOL CMarketInfoApp::InitInstance()
{
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SetRegistryKey(_T("应用程序向导生成的本地应用程序"));
// 开启程序崩溃感知
SetUnhandledExceptionFilter(MyUnhandledExceptionFilter);
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}
逻辑处理MyBugTrap.cpp：
#include "stdafx.h"
#include "Bug...
MongoDB仿关系型数据库Group聚合例子 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...数据
Dictionary dic = new Dictionary();
dic["_userName"] = ""; // 与原字段名区分开
dic["_date"] = "";
dic["_data"] = "0";
MongoServer server = new MongoClient(MongoConnStr).GetServer();
MongoDatabase db = serve...
Efficiently updating database using SQLAlchemy ORM
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answered Nov 10 '08 at 17:40
Ants AasmaAnts Aasma
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Understanding the difference between Object.create() and new SomeFunction()
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10 Answers
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When should I use nil and NULL in Objective-C?
...ntions this, but if you dig into objc.h, you'll find the line #define nill __DARWIN_NULL.
– gkb0986
Oct 25 '13 at 3:12
1
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Check if option is selected with jQuery, if not select a default
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While I'm not sure about exactly what you want to accomplish, this bit of code worked for me.
<select id="mySelect" multiple="multiple">
<option value="1">First</option>
<option value="2">Second</option>
<option value="3">Third</option>
<...