大约有 46,000 项符合查询结果（耗时：0.0289秒） [XML]
Getting only Month and Year from SQL DATE
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great! You can connect them to one column: 'select cast(month(dateField) as varchar) + '.' + cast(year(dateField) as varchar)'
– izik f
Mar 27 '18 at 9:59
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What is the equivalent of bigint in C#?
...insert and used a
SELECT @@identity
on my bigint primary key, and I get a cast error using long - that was why I started this search. The correct answer, at least in my case, is that the type returned by that select is NUMERIC which equates to a decimal type. Using a long will cause a cast exceptio...
Type erasure techniques
...ght type is returned
T*& operator[](size_t i) { return reinterpret_cast<T*&>(Vector<void*>::operator[](i)); }
};
As you can see, we have a strongly typed container but Vector<Animal*>, Vector<Dog*>, Vector<Cat*>, ..., will share the same (C++ and binary) c...
Check if value exists in Postgres array
...d that part of manual. This works great. It has a side effect of automatic casting. Ex: SELECT 1::smallint = ANY ('{1,2,3}'::int[]) works. Just make sure to put ANY() on the right side of expression.
– Mike Starov
Jun 27 '12 at 23:52
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SQL Server: converting UniqueIdentifier to string in a case statement
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Alternatively, cast(RequestID as varchar(50))
– MK_Dev
Jun 9 '11 at 22:17
3
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How to search a specific value in all tables (PostgreSQL)?
...LOOP
FOR rowctid IN
EXECUTE format('SELECT ctid FROM %I.%I WHERE cast(%I as text)=%L',
schemaname,
tablename,
columnname,
needle
)
LOOP
-- uncomment next line to get some progress report
-- RAISE NOTICE 'hit in %.%', schemaname, tablename;
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How do you view ALL text from an ntext or nvarchar(max) in SSMS?
... on it would open it in a new window. The work around I normally use is to cast it to XML as here. XML data can be set to allow unlimited length.
– Martin Smith
Aug 10 '12 at 9:10
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how to convert from int to char*?
...ne, except use const as:
char const* pchar = temp_str.c_str(); //dont use cast
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Java Name Hiding: The Hard Way
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You can cast a null to the type and then invoke the method on that (which will work, since the target object isn't involved in invocation of static methods).
((net.foo.X) null).doSomething();
This has the benefits of
being side-...
How enumerate all classes with custom class attribute?
...ttributes.Length > 0
select new { Type = t, Attributes = attributes.Cast<HelpAttribute>() };
The above query will get you each type with your attribute applied to it, along with the instance of the attribute(s) assigned to it.
Note that if you have a large number of assemblies loaded...