大约有 47,000 项符合查询结果（耗时：0.0431秒） [XML]
File content into unix variable with newlines
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The assignm>me m>nt does not remove the newline characters, it's actually the echo doing this. You need simply put quotes around the string to maintain those newlines:
echo "$testvar"
This wil give the result you want. See the following ...
@Basic(optional = false) vs @Column(nullable = false) in JPA
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Gordon Yorke (EclipseLink Architecture Committee m>Me m>mber, TopLink Core Technical Lead, JPA 2.0 Expert Group m>Me m>mber) wrote a good answer on this topic so instead of paraphrasing him, I'll quote his answer:
The difference between optional and
nullable is the scope at whi...
How to get first record in each group using Linq
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var res = from elem>me m>nt in list
group elem>me m>nt by elem>me m>nt.F1
into groups
select groups.OrderBy(p => p.F2).First();
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Catching all javascript unhandled exceptions
...ient side, without using any server side code. I'm using MVC3 as an environm>me m>nt.
4 Answers
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Using comparison operators in Scala's pattern matching system
...wered Oct 18 '09 at 16:53
Ben Jam>me m>sBen Jam>me m>s
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LINQ To Entities does not recognize the m>me m>thod Last. Really?
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That limitation com>me m>s down to the fact that eventually it has to translate that query to SQL and SQL has a SELECT TOP (in T-SQL) but not a SELECT BOTTOM (no such thing).
There is an easy way around it though, just order descending and then do...
Hibernate lazy-load application design
I tend to use Hibernate in combination with Spring fram>me m>work and it's declarative transaction demarcation capabilities (e.g., @Transactional ).
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Convert MySql DateTim>me m> stamp into JavaScript's Date format
Does anyone know how I can take a MySQL datetim>me m> data type value, such as YYYY-MM-DD HH:MM:SS and either parse it or convert it to work in JavaScript's Date() function, for example:- Date('YYYY, MM, DD, HH, MM, SS);
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Pragma in define macro
Is there som>me m> way to embed pragma statem>me m>nt in macro with other statem>me m>nts?
4 Answers
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Why does .NET use banker's rounding as default?
According to the docum>me m>ntation, the decimal.Round m>me m>thod uses a round-to-even algorithm which is not common for most applications. So I always end up writing a custom function to do the more natural round-half-up algorithm:
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