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How to iterate over values of an Enum having flags?
.... Just stick this as an extension method: Enum.GetValues(input.GetType()).Cast<Enum>().Where(input.HasFlag); Then just: myEnum.GetFLags() :)
– joshcomley
Aug 16 '13 at 12:28
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How to get Time from DateTime format in SQL?
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SQL Server 2008:
SELECT cast(AttDate as time) [time]
FROM yourtable
Earlier versions:
SELECT convert(char(5), AttDate, 108) [time]
FROM yourtable
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Lambda capture as const reference?
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In c++14 using static_cast / const_cast:
[&best_string = static_cast<const std::string&>(best_string)](const string& s)
{
best_string = s; // fails
};
DEMO
In c++17 using std::as_const:
[&best_string = std::as_cons...
Differences in auto-unboxing between Java 6 vs Java 7
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It looks like the language in section 5.5 Casting Conversion of Java 7 JLS was updated in comparison to the same section in the Java 5/6 JLS, probably to clarify the allowed conversions.
Java 7 JLS says
An expression of a reference type may undergo casting conve...
Why does casting int to invalid enum value NOT throw exception?
... }
/// <summary>
/// In the .NET Framework, objects can be cast to enum values which are not
/// defined for their type. This method provides a simple fail-fast check
/// that the enum value is defined, and creates a cast at the same time.
/// Cast the given value as the ...
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...
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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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 set selected item of Spinner by value, not by position?
...getAdapter()).getPosition(myString));
You'll get a warning about how the cast to a ArrayAdapter<String> is unchecked... really, you could just use an ArrayAdapter as Merrill did, but that just exchanges one warning for another.
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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...