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Difference between SelectedItem, SelectedValue and SelectedValuePath
.../>
public class Category
{
public int ID { get; set; }
public string Name { get; set; }
}
public class Product
{
public int CategoryID { get; set; }
}
It's a little confusing initially, but hopefully this makes it a bit clearer... :)
Chris
...
What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
...() {
System.out.println("Hi!");
}
public static void main(String[] args) throws Exception {
Class clazz = Class.forName("test.Demo");
Demo demo = (Demo) clazz.newInstance();
}
}
As explained in its javadoc, calling Class.forName(String) returns the Class object...
get the latest fragment in backstack
...ackStackEntry backEntry = getFragmentManager().getBackStackEntryAt(index);
String tag = backEntry.getName();
Fragment fragment = getFragmentManager().findFragmentByTag(tag);
You need to make sure that you added the fragment to the backstack like this:
fragmentTransaction.addToBackStack(tag);
...
What is the difference between a weak reference and an unowned reference?
...d from the docs.
Example of the weak keyword:
class Person {
let name: String
init(name: String) { self.name = name }
var apartment: Apartment?
}
class Apartment {
let number: Int
init(number: Int) { self.number = number }
weak var tenant: Person?
}
And now, for some ASCII...
IOException: read failed, socket might closed - Bluetooth on Android 4.3
... new ArrayList<UUID>();
this.uuidCandidates.add(UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"));
}
}
public BluetoothSocketWrapper connect() throws IOException {
boolean success = false;
while (selectSocket()) {
adapter.cancelDi...
How to convert “camelCase” to “Camel Case”?
...been trying to get a JavaScript regex command to turn something like "thisString" into "This String" but the closest I’ve gotten is replacing a letter, resulting in something like "Thi String" or "This tring" . Any ideas?
...
How to indicate param is optional using inline JSDoc?
...as well
/**
* @param {MyClass|undefined}
* @param {MyClass=}
* @param {String} [accessLevel="author"] The user accessLevel is optional.
* @param {String} [accessLevel] The user accessLevel is optional.
*/
Just slightly more visually appealing than function test(/**String=*/arg) {}
...
How to initialize/instantiate a custom UIView class with a XIB file in Swift
...le = NSBundle(forClass: self.dynamicType)
let nib = UINib(nibName: String(self.dynamicType), bundle: bundle)
let nibView = nib.instantiateWithOwner(self, options: nil).first as! UIView
return nibView
}
}
Use your xib as usual, i.e. connect Outlets to File Owner and se...
Rails - controller action name to string
I have a Rails question.
6 Answers
6
...
What makes Lisp macros so special?
...pected ? Or is the "for" parameter used in the loop so that it must be the string "for" when called ?
– dader
May 16 '13 at 2:05
2
...