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How get integer value from a enum in Rails?
...t the integer values for an enum from the class the enum is on:
Model.sale_infos # Pluralized version of the enum attribute name
That returns a hash like:
{ "plan_1" => 1, "plan_2" => 2 ... }
You can then use the sale_info value from an instance of the Model class to access the integer v...
How to get a function name as a string?
In Python, how do I get a function name as a string, without calling the function?
12 Answers
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The role of #ifdef and #ifndef
...o do something like that with the old #ifdef/#ifndef pair.
#if defined(ORA_PROC) || defined(__GNUC) && __GNUC_VERSION > 300
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How do I create a WPF Rounded Corner container?
...bject (BorderThickness or CornerRadius) you can specify a single number if all 4 are the same, such as CornerRadius="8".
– Santiago Palladino
Sep 23 '08 at 13:14
3
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NUnit Test Run Order
By default nunit tests run alphabetically. Does anyone know of any way to set the execution order? Does an attribute exist for this?
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Difference between exit() and sys.exit() in Python
...raising SystemExit. sys.exit does so in sysmodule.c:
static PyObject *
sys_exit(PyObject *self, PyObject *args)
{
PyObject *exit_code = 0;
if (!PyArg_UnpackTuple(args, "exit", 0, 1, &exit_code))
return NULL;
/* Raise SystemExit so callers may catch it or clean up. */
PyE...
What is Scala's yield?
...I use yield instead of map? This map code is equivalent val res = args.map(_.toUpperCase) , right?
– Geo
Jun 27 '09 at 12:23
4
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What is the difference between a static and a non-static initialization code block
...own, just like simple variable initializers) when the class is loaded (actually, when it's resolved, but that's a technicality).
Instance initializers are executed in the order defined when the class is instantiated, immediately before the constructor code is executed, immediately after the invocat...
How do I make a checkbox required on an ASP.NET form?
...ion for client side validation (using jQuery)...
function CheckBoxRequired_ClientValidate(sender, e)
{
e.IsValid = jQuery(".AcceptedAgreement input:checkbox").is(':checked');
}
code-behind for server side validation...
protected void CheckBoxRequired_ServerValidate(object sender, ServerValid...
Which is the correct C# infinite loop, for (;;) or while (true)? [closed]
...ve used and what I've seen others use for a loop that has to be broken manually.
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