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Boolean literals in PowerShell
...ace, e.g. in a conditional statement. And in those cases you don't need to cast at all. if ($s.Length) { ... } is perfectly fine, for example.
– Joey
Oct 1 '14 at 12:41
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How to avoid the “divide by zero” error in SQL?
...of the first argument. This altered example works fine: SELECT 1 / NULLIF(CAST(NULL AS INT), 0). In real life, you are going to supply a table column to NULLIF() rather than a NULL constant. Since table columns have known datatypes, this also works fine: SELECT 1 / NULLIF(SomeNullableColumn, 0) F...
How to shut down the computer from C#
...around numeric constants, optionally supports flags / bitmasks, and easily casts back and forth to the underlying numeric type.
– Andrew Rondeau
Aug 24 '17 at 17:14
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Best way to get identity of inserted row?
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Add
SELECT CAST(scope_identity() AS int);
to the end of your insert sql statement, then
NewId = command.ExecuteScalar()
will retrieve it.
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PHP convert XML to JSON
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I figured it out. json_encode handles objects differently than strings. I cast the object to a string and it works now.
foreach($xml->children() as $state)
{
$states[]= array('state' => (string)$state->name);
}
echo json_encode($states);
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Adding a new value to an existing ENUM Type
...will receive the following error: default for column "my_column" cannot be cast automatically to type "my_enum". You will have to do the following: ALTER TABLE "my_table" ALTER COLUMN "my_column" DROP DEFAULT, ALTER COLUMN "my_column" TYPE "my_type" USING ("my_column"::text::"my_type"), ALTER...
Avoiding an ambiguous match exception
... of parameters and same types of parameters. I'm thinking here of explicit cast operators overloads. For example public static explicit double(MyType obj) and public static explicit float(MyType obj). You will still have an AmbiguousMatchException. In this case, you could use returnType.GetMethods()...
Java optional parameters
...You are type-checking for an Integer although your a variable is a String (cast is correct).
– Unknown Id
Feb 10 '16 at 10:59
5
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dispatch_after - GCD in Swift?
...e was slightly wrong. Implicit typing causes a compile error if you don't cast NSEC_PER_SEC to a Double.
If anyone can suggest a more optimal solution I'd be keen to hear it.
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Where is the itoa function in Linux?
... point string; floating point can have corner case inaccuracies. And don't cast calloc
– M.M
Sep 24 '14 at 12:44
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