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How to change column datatype from character to numeric in PostgreSQL 8.4
...m the old; if omitted, the default conversion is the same as an assignment cast from old data type to new. A USING clause must be provided if there is no implicit or assignment cast from old to new type.
So this might work (depending on your data):
alter table presales alter column code type nume...
Jackson how to transform JsonNode to ArrayNode without casting?
...y associate with array nodes from other API's. As such, you do not need to cast to an ArrayNode to use. Here's an example:
JSON:
{
"objects" : ["One", "Two", "Three"]
}
Code:
final String json = "{\"objects\" : [\"One\", \"Two\", \"Three\"]}";
final JsonNode arrNode = new ObjectMapper().re...
How do I format a number with commas in T-SQL?
...in the presentation layer, this formatting can be accomplished in T-SQL by casting to money and then converting to varchar. This does include trailing decimals, though, that could be looped off with SUBSTRING.
SELECT CONVERT(varchar, CAST(987654321 AS money), 1)
...
LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface
...ces, one can find that the exception comes from here, see ValidateAndAdjustCastTypes().
What happens is, that EF tries to cast IEntity into something that makes sense the domain model world, however it fails in doing so, hence the exception is thrown.
The expression with the class constraint does ...
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
...your array will never contain more than 2^31-1 elements!),
add an explicit cast:
int count = (int)[myColors count];
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How to replace a string in a SQL Server Table Column
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UPDATE CustomReports_Ta
SET vchFilter = REPLACE(CAST(vchFilter AS nvarchar(max)), '\\Ingl-report\Templates', 'C:\Customer_Templates')
where CAST(vchFilter AS nvarchar(max)) LIKE '%\\Ingl-report\Templates%'
Without the CAST function I got an error
Argument data type nte...
TypeScript and field initializers
...but doesn't look like it will happen yet.
For comparison, If you use the casting approach, your initialiser object must have ALL the fields for the type you are casting to, plus don't get any class specific functions (or derivations) created by the class itself.
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java: (String[])List.toArray() gives ClassCastException
The following code (run in android) always gives me a ClassCastException in the 3rd line:
4 Answers
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How to convert ASCII code (0-255) to its corresponding character?
...not work for the Integer type, you will get a "java.lang.Integer cannot be cast to java.lang.Character" error. Add a cast to int first, e.g.: Character.toString((char)(int)myInteger);
– gbmhunter
Jun 7 '16 at 4:00
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Is C++14 adding new keywords to C++?
... true
alignof decltype goto reinterpret_cast try
asm default if return typedef
auto delete inline short typeid
bool do int si...