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SQL Server Output Clause into a scalar variable
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You need a table variable and it can be this simple.
declare @ID table (ID int)
insert into MyTable2(ID)
output inserted.ID into @ID
values (1)
share
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C++特化模板函数的符号多重定义错误问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...perator> 和 operator== 对象的模板函数：
template <typename T>
int compare(T t1, T t2)
{
return t1==t2 ? 0 : t1 > t2 ? 1 : -1;
}
该模板根据地一个参数是否等于、大于、或小于第二个参数而分别返回零或+/-1。它是典型的用于集合排序时的排...
SQL variable to hold list of integers
I'm trying to debug someone else's SQL reports and have placed the underlying reports query into a query windows of SQL 2012.
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Try catch statements in C
... in C. However, is there a way to "simulate" them?
Sure, there is assert and other tricks but nothing like try/catch, that also catch the raised exception. Thank you
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java: Class.isInstance vs Class.isAssignableFrom
...r. Other can be a class or an interface. It answers true if Other can be converted to a MyClass.
A little code to demonstrate:
public class NewMain
{
public static void main(String[] args)
{
NewMain nm = new NewMain();
nm.doit();
}
class A { }
class B extend...
Tuples( or arrays ) as Dictionary keys in C#
...alues to one string. I tried using arrays as keys, but that did not work, and I don't know what else to do. At this point I am considering making a Dictionary of Dictionaries of Dictionaries, but that would probably not be very pretty to look at, though it is how I would do it in javascript.
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foreach vs someList.ForEach(){}
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There is one important, and useful, distinction between the two.
Because .ForEach uses a for loop to iterate the collection, this is valid (edit: prior to .net 4.5 - the implementation changed and they both throw):
someList.ForEach(x => { if(x....
Which is better, number(x) or parseFloat(x)?
... they had typed '1'. The only time I really make an exception is when I am converting a style to a number, in which case parseFloat is helpful because styles come in a form like '3px', in which case I want to drop the 'px' part and just get the 3, so I find parseFloat helpful here. But really which ...
How to test equality of Swift enums with associated values
...from Swift 4.1 (due to SE-0185, Swift also supports synthesizing Equatable and Hashable for enums with associated values.
So if you're on Swift 4.1 or newer, the following will automatically synthesize the necessary methods such that XCTAssert(t1 == t2) works. The key is to add the Equatable protoc...
How to wrap async function calls into a sync function in Node.js or Javascript?
...inised. Unless your code is trivial I guarantee... it will take a while to convert and get it working again after converting the whole thing to async idiom.
– Kris
May 29 '18 at 22:57
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