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How to limit the maximum value of a numeric field in a Django model?
...ot more code since since you can specify a 'skip' parameter - range(1, 50, 2) - Interesting idea though...
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Function to convert column number to letter?
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28 Answers
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How do I detect when someone shakes an iPhone?
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292
In 3.0, there's now an easier way - hook into the new motion events.
The main trick is that y...
How do you declare an interface in C++?
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edited May 23 '17 at 12:10
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answered Nov 25 '08 at 17:11
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C# Set collection?
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edited Oct 1 '16 at 20:26
gnat
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answered Oc...
How to remove RVM (Ruby Version Manager) from my system
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932
There's a simple command built-in that will pull it:
rvm implode
This will remove the rvm/ di...
“new” keyword in Scala
... def apply() = new Foo
}
// Both of these are legal
val f = Foo()
val f2 = new Foo
If you've made a case class:
case class Foo()
Scala secretly creates a companion object for you, turning it into this:
class Foo { }
object Foo {
def apply() = new Foo
}
So you can do
f = Foo()
Last...
Generate JSON string from NSDictionary in iOS
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237
Here are categories for NSArray and NSDictionary to make this super-easy. I've added an option...
jquery disable form submit on enter
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429
If keyCode is not caught, catch which:
$('#formid').on('keyup keypress', function(e) {
var k...
How to check if an object is nullable?
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277
There are two types of nullable - Nullable<T> and reference-type.
Jon has corrected me ...