大约有 531 项符合查询结果(耗时:0.0135秒) [XML]

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Best way to do multi-row insert in Oracle?

...RENT,PAG_NAME,PAG_ACTIVE) select 8000,0,'Multi 8000',1 from dual union all select 8001,0,'Multi 8001',1 from dual The thing to remember here is to use the from dual statement. (source) share | ...
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Is there a simple way to convert C++ enum to string?

... I love this solution. It would be clearer if SOME_UNION and MAKE_UNION were called SOME_ENUM and MAKE_ENUM, though. – Bruno Martinez Jan 8 '13 at 14:26 ...
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How to document a method with parameter(s)?

...nts which is a compact, machine-readable syntax: from typing import Dict, Union def foo(i: int, d: Dict[str, Union[str, int]]) -> int: """ Explanation: this function takes two arguments: `i` and `d`. `i` is annotated simply as `int`. `d` is a dictionary with `str` keys and value...
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C Macro definition to determine big endian or little endian machine?

... = 0x02030001ul /* Honeywell 316 (aka ENDIAN_BIG_WORD) */ }; static const union { unsigned char bytes[4]; uint32_t value; } o32_host_order = { { 0, 1, 2, 3 } }; #define O32_HOST_ORDER (o32_host_order.value) #endif You would check for little endian systems via O32_HOST_ORDER == O32_LITTLE_E...
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Is there a Max function in SQL Server that takes two values like Math.Max in .NET?

...he "best answer" because: It doesn't require complicating your code with UNION's, PIVOT's, UNPIVOT's, UDF's, and crazy-long CASE statments. It isn't plagued with the problem of handling nulls, it handles them just fine. It's easy to swap out the "MAX" with "MIN", "AVG", or "SUM". You can use any ...
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GetProperties() to return all properties for an interface inheritance hierarchy

...etProperties( bindingAttr); } return type.GetInterfaces().Union(new Type[] { type }).SelectMany(i => i.GetProperties(bindingAttr)).Distinct(); } or, for an individual property: static public PropertyInfo GetPropertyOrInterfaceProperty(this Type type, string propertyNa...
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Creating an R dataframe row-by-row

...based file systems are a good example (which evolved from concepts such as union mounts, which also ply both sides). If R Core wanted to do this, underlying vector storage could function like a union mount. One reference to the vector storage might be valid for subscripts 1:N, while another refe...
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Haskell Type vs Data Constructor

...nstructed in nearly any language", says Wikipedia. :) In e.g. C/++, that's unions, with a tag discipline. :) – Will Ness Aug 17 '13 at 20:38 5 ...
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How to put more than 1000 values into an Oracle IN clause [duplicate]

...e the following form: select * from table1 where ID in (1,2,3,4,...,1000) union all select * from table1 where ID in (1001,1002,...) share | improve this answer | follow ...
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Build and Version Numbering for Java Projects (ant, cvs, hudson)

...e file, ONLY for ant 1.7.0 and newer!!!--> <concat> <union> <sort> <tokens> <file file="${antprops.file}" /> <linetokenizer includedelims="true" /> </tokens> </sort> </un...