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How to reset sequence in postgres and fill id column with new data?
...ws. I need to reset sequence and reassign id column with new values (1, 2, 3, 4... etc...). Is any easy way to do that?
13 ...
What is “lifting” in Haskell?
...Foo = liftFoo2 (+)
Edit: more information
You can of course have liftFoo3, liftFoo4 and so on. However this is often not necessary.
Start with the observation
liftFoo1 :: (a -> b) -> Foo a -> Foo b
But that is exactly the same as fmap. So rather than liftFoo1 you would write
instanc...
What is the difference between Python's list methods append and extend?
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5329
append: Appends object at the end.
x = [1, 2, 3]
x.append([4, 5])
print (x)
gives you: [1, ...
How do I check if a number is positive or negative in C#?
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edited Oct 30 '15 at 16:10
juancazalla
9461010 silver badges1616 bronze badges
answered N...
ATL正则表达式库使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...者有了这两个指针，自然可以很方便的得到匹配结果。
3、 一个小示例
下面这个例子来源于MSDN，演示了CATLRegExp和CAtlREMatchContext类的典型使用方法：
#include "stdafx.h"
#include <atlrx.h>
int main(int argc, char* argv[])
{
CAtlRegExp...
How do you specify that a class property is an integer?
...mber is integer or floating point. In the TypeScript specification section 3.2.1 we can see:
"...The Number primitive type corresponds to the similarly named JavaScript primitive type and represents double-precision 64-bit format IEEE 754 floating point values..."
I think int is a bug in Visual...
Default function arguments in Rust
...uraged.
– Chris Morgan
Mar 1 '17 at 3:49
@ChrisMorgan Do you have a source for that being officially discouraged?
...
Find closing HTML tag in Sublime Text
...
136
Try Emmet plug-in command Go To Matching Pair:
http://docs.emmet.io/actions/go-to-pair/
Short...
How to trigger event when a variable's value is changed?
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edited Apr 23 '18 at 23:32
answered Apr 30 '11 at 14:25
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TSQL - Cast string to integer or return default value
... ELSE CONVERT(bigint, @Value)
END
IF ABS(@I) > 2147483647 RETURN NULL
RETURN @I
END
GO
-- Testing
DECLARE @Test TABLE(Value nvarchar(50)) -- Result
INSERT INTO @Test SELECT '1234' -- 1234
INSERT INTO @Test SELECT '1,234' -- 1234
INSERT INTO @Test SE...