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How to cast Object to its actual type?
...
If you know the actual type, then just:
SomeType typed = (SomeType)obj;
typed.MyFunction();
If you don't know the actual type, then: not really, no. You would have to instead use one of:
reflection
implementing a well-known inte...
How to replace an item in an array with Javascript?
...edle) {
return !!~haystack.indexOf(needle);
};
// can be used like so now:
if (contains(items, 3452)) {
// do something else...
}
Starting with ES6/ES2015 for strings, and proposed for ES2016 for arrays, you can more easily determine if a source contains another value:
if (haystack.inclu...
Putting a simple if-then-else statement on one line [duplicate]
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Better Example: (thanks Mr. Burns)
'Yes' if fruit == 'Apple' else 'No'
Now with assignment and contrast with if syntax
fruit = 'Apple'
isApple = True if fruit == 'Apple' else False
vs
fruit = 'Apple'
isApple = False
if fruit == 'Apple' : isApple = True
...
Auto-indent in Notepad++
...munity wiki
3 revs, 2 users 60%unknown
2
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setResult does not work when BACK button pressed
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And even if there weren't, you wouldn't know about it when it would be introduced in an API update. Not as easily as you would when behavior of onPause() or onDestroy() changed. Those are the methods you are supposed to override.
– pjv
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Changing an element's ID with jQuery
... arrived here double checking id reassignment - should this now be .prop( ... ) instead of .attr( ... )?
– Carl
Jan 23 '12 at 18:21
2
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AWS ssh access 'Permission denied (publickey)' issue [closed]
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Now it's:
ssh -v -i ec2-keypair.pem ec2-user@[yourdnsaddress]
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follo...
Check if a subview is in a view
...t time), the next time, you'll reach the else part because the second view now is a subview of the first. Isn't it what you were trying to do ? You are maybe looking another mecanism like prensenting a view controller modally ?
– user866214
Sep 14 '11 at 18:57
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How to access class constants in Twig?
... return array(
'MyClass' => $constants
);
}
}
Now you can use constants in Twig like:
{{ MyClass.MY_CONSTANT }}
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f...
Use of “instanceof” in Java [duplicate]
...meter to an object that is of a super class or interface type and need to know whether the actual object has some other type (normally more concrete).
Example:
public void doSomething(Number param) {
if( param instanceof Double) {
System.out.println("param is a Double");
}
else if( param...