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Calling virtual functions inside constructors
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−1 "is dangerous", no, it's dangerous in Java, where downcalls can happen; the C++ rules remove the danger through a pretty expensive mechanism.
– Cheers and hth. - Alf
Aug 14 '16 at 10:47
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Understanding the difference between Object.create() and new SomeFunction()
I recently stumbled upon the Object.create() method in JavaScript, and am trying to deduce how it is different from creating a new instance of an object with new SomeFunction() , and when you would want to use one over the other.
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Best explanation for languages without null
...now that the value will never be null.
As others have mentioned, in C# or Java for example, null can mean one of two things:
the variable is uninitialized. This should, ideally, never happen. A variable shouldn't exist unless it is initialized.
the variable contains some "optional" data: it needs...
How do I create a constant in Python?
Is there a way to declare a constant in Python? In Java we can create constant values in this manner:
41 Answers
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How do you input commandline argument in IntelliJ IDEA?
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What if I wanna use a redirect symbol? For example, $ javac Filter WhiteList.txt < TotalList.txt, how can I run this in Intellij just like command lines?
– Wulfric Lee
Sep 9 '16 at 1:26
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How to activate “Share” button in android app?
...ITY_NEW_TASK);
startActivity(intent)
}
} catch (e: java.lang.Exception) {
e.printStackTrace()
toast("Error")
}
}
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How to correct indentation in IntelliJ
...o the same level as the code, you can simply do as follows:
(example for JavaScript)
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How do I address unchecked cast warnings?
...y to limit the scope of the @SuppressWarnings annotation. According to its Javadocs, it can go on local variables; this way, it doesn't even affect the entire method.
Example:
@SuppressWarnings("unchecked")
Map<String, String> myMap = (Map<String, String>) deserializeMap();
There is ...
Getting a list item by index
I've recently started using c# moving over from Java. I can't seem to find how to get a list item by index. In java to get the first item of the list it would be:
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How to get TimeZone from android mobile?
...ere the program is running.
Ref: http://developer.android.com/reference/java/util/TimeZone.html
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