大约有 47,000 项符合查询结果（耗时：0.1003秒） [XML]
Splitting on last delimiter in Python string?
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edited Feb 19 '18 at 16:03
answered Feb 21 '13 at 21:06
M...
How to make the 'cut' command treat same sequental delimiters as one?
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edited Apr 23 '18 at 23:03
Austin Adams
6,45533 gold badges2020 silver badges2727 bronze badges
answer...
How to return only the Date from a SQL Server DateTime datatype
Returns: 2008-09-22 15:24:13.790
43 Answers
43
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Repeatedly run a shell command until it fails?
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edited Nov 8 '19 at 0:10
Gurpreet Atwal
7366 bronze badges
answered Oct 19 '12 at 4:09
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How to use QueryPerformanceCounter?
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#include <windows.h>
double PCFreq = 0.0;
__int64 CounterStart = 0;
void StartCounter()
{
LARGE_INTEGER li;
if(!QueryPerformanceFrequency(&li))
cout << "QueryPerformanceFrequency failed!\n";
PCFreq = double(li.QuadPart)/1000.0;
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How to calculate time elapsed in bash script?
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20 Answers
20
Active
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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
...he CharSequence, Collection, Map or Array object is not null and size > 0.
@NotBlank: The string is not null and the trimmed length is greater than zero.
To help you understand, let's look into how these constraints are defined and carried out (I'm using version 4.1):
The @NotNull constrain...
Why do we have map, fmap and liftM?
... see an error about lists than about Functors.
-- Typeclassopedia, page 20
fmap and liftM exist because monads were not automatically functors in Haskell:
The fact that we have both fmap and liftM is an
unfortunate consequence of the fact that the Monad type class does not require
a Funct...
Breadth First Vs Depth First
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edited Feb 12 '12 at 21:05
answered Mar 26 '09 at 22:08
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ThreadStatic v.s. ThreadLocal: is generic better than attribute?
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edited Mar 5 '18 at 10:50
Alexander Derck
11k44 gold badges4040 silver badges7070 bronze badges
ans...