大约有 46,000 项符合查询结果(耗时:0.0406秒) [XML]
How do I assign an alias to a function name in C++?
...ld_fn_name;
If this function has multiple overloads you should use static_cast:
const auto& new_fn_name = static_cast<OVERLOADED_FN_TYPE>(old_fn_name);
Example: there are two overloads of function std::stoi
int stoi (const string&, size_t*, int);
int stoi (const wstring&, size...
How to parse JSON in Scala using standard Scala classes?
...
This is a solution based on extractors which will do the class cast:
class CC[T] { def unapply(a:Any):Option[T] = Some(a.asInstanceOf[T]) }
object M extends CC[Map[String, Any]]
object L extends CC[List[Any]]
object S extends CC[String]
object D extends CC[Double]
object B extends CC[B...
Search for one value in any column of any table inside a database
...e + ''',''' + @ColumnName + ''',' + CASE @ColumnType WHEN 'xml' THEN 'LEFT(CAST(' + @ColumnName + ' AS nvarchar(MAX)), 4096),'''
WHEN 'timestamp' THEN 'master.dbo.fn_varbintohexstr('+ @ColumnName + '),'''
ELSE 'LEFT(' + @ColumnName + ', 4096),''' END + @ColumnType + '''
FROM ' + @TableName + ' (NOLO...
SQL Query to concatenate column values from multiple rows in Oracle
...9 dimension by (seq)
10 measures (descr,cast(null as varchar2(100)) as sentence)
11 ( sentence[any] order by seq desc
12 = descr[cv()] || ' ' || sentence[cv()+1]
13 )
14 )
15 where seq = 1
16 /
...
Why covariance and contravariance do not support value type
... collection of three elements, each being a reference to a string. You can cast this to a collection of objects:
IEnumerable<object> objects = (IEnumerable<object>) strings;
Basically it is the same representation except now the references are object references:
[0] : object referen...
C++ convert from 1 char to string? [closed]
I need to cast only 1 char to string . The opposite way is pretty simple like str[0] .
2 Answers
...
Search all tables, all columns for a specific value SQL Server [duplicate]
...e + ''',''' + @ColumnName + ''',' + CASE @ColumnType WHEN 'xml' THEN 'LEFT(CAST(' + @ColumnName + ' AS nvarchar(MAX)), 4096),'''
WHEN 'timestamp' THEN 'master.dbo.fn_varbintohexstr('+ @ColumnName + '),'''
ELSE 'LEFT(' + @ColumnName + ', 4096),''' END + @ColumnType + '''
...
PHP: Count a stdClass object
...(unless it's a custom object that implements the Countable interface). Try casting the object, like below, as an array and seeing if that helps.
$total = count((array)$obj);
Simply casting an object as an array won't always work but being a simple stdClass object it should get the job done here.
...
How to get the first and last date of the current year?
...only attach the year to that day and month for example:-
SELECT '01/01/'+cast(year(getdate()) as varchar(4)) as [First Day],
'12/31/'+cast(year(getdate()) as varchar(4)) as [Last Day]
share
|
im...
Convert INT to VARCHAR SQL
...
You can use CAST function:
SELECT CAST(your_column_name AS varchar(10)) FROM your_table_name
share
|
improve this answer
|
...