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Input and Output binary streams using JERSEY?
I'm using Jersey to implement a RESTful API that is primarily retrieve and serve JSON encoded data. But I have some situations where I need to accomplish the following:
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Efficiently convert rows to columns in sql server
... + 'SELECT ''INSERT INTO @ColumnListWithActions VALUES ('' + CAST( ROW_NUMBER() OVER (ORDER BY [NAME]) as nvarchar(10)) + '', '' + '''''''' + [NAME] + ''''''''+ '', ''''S'''');'''
+ 'FROM [' + @DB_Name + '].sys.columns '
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Consistency of hashCode() on a Java string
...because the algorithm has been specified... so long as you're willing to abandon compatibility with releases before the algorithm was specified, of course.
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SQL: IF clause within WHERE clause
...his without any IF or CASE
WHERE
(IsNumeric(@OrderNumber) AND
(CAST OrderNumber AS VARCHAR) = (CAST @OrderNumber AS VARCHAR)
OR
(NOT IsNumeric(@OrderNumber) AND
OrderNumber LIKE ('%' + @OrderNumber))
Depending on the flavour of SQL you may need to tweak the casts on the orde...
Spring ApplicationContext - Resource leak: 'context' is never closed
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A simple cast solves the issue:
((ClassPathXmlApplicationContext) fac).close();
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How to concatenate columns in a Postgres SELECT?
...n any case.
For non-string data types, you can "fix" the 1st statement by casting at least one argument to text. (Any type can be cast to text):
SELECT a::text || b AS ab FROM foo;
Judging from your own answer, "does not work" was supposed to mean "returns NULL". The result of anything concatena...
How to get hosting Activity from a view?
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This is a pretty dangerous cast to make. There is a good chance (if you're using appcompat) that the context you've got is wrapped, casting something like a ContextThemeWrapper to Activity will throw a ClassCastException. You'd need a way to unwrap the...
How get integer value from a enum in Rails?
... :(
The best method I can see for now is:
my_model.sale_info_before_type_cast
Shadwell's answer also continues to work for rails 5.
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Covariance and contravariance real world example
...);
Covariant(fruit);
Covariant(apple); //apple is being upcasted to fruit, without the out keyword this will not compile
}
public void Contravariance()
{
IContravariant<Fruit> fruit = new Contravariant<Fruit>();
IContravariant<Apple> ap...
How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
...problem is that after the user submits the text, they can refresh the page and the data gets submitted again without filling the form again. I could redirect the user to another page after the text is submitted, but I want users to stay on the same page.
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