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Purpose of Unions in C and C++
...sn't force the standard to declare it as undefined behaviour - reinterpret_cast has exactly the same endian issues, but has implementation defined behaviour.
– JoeG
Feb 22 '10 at 11:42
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When do you use the “this” keyword? [closed]
...e (struct) value.
To invoke an extension method on the current instance
To cast itself to another type
To chain constructors defined in the same class
You can avoid the first usage by not having member and local variables with the same name in scope, for example by following common naming conventi...
Difference between Arrays.asList(array) and new ArrayList(Arrays.asList(array))
...other interface. See the wrapper pattern article. | Where do you need to upcast? I'd suggest to use List<Integer> for your variable types (or method arguments etc.). This makes your code more generic and you can easily switch to another List implementation as needed, without having to rewrite ...
Is .NET/Mono or Java the better choice for cross-platform development? [closed]
...ell....Java is actually more portable. Mono isn't implemented everywhere, and it lags behind the Microsoft implementation significantly. The Java SDK seems to stay in better sync across platforms (and it works on more platforms).
I'd also say Java has more tool availability across all those pla...
HTML 5 tag vs Flash video. What are the pros and cons?
...'re pondering on how to embed video in your page, just use <video> and don't give it a second thought. This question is only preserved for historical value.
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Calling startActivity() from outside of an Activity?
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if your android version is below Android - 6 then you need to add this line otherwise it will work above Android - 6.
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Intent i = new Intent(this, Wakeup.class);
i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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What is the exact problem with multiple inheritance?
...g part of the problem, if one does not need to allow identity-preserving upcasts and downcasts among all of the types from which an instance is derived or for which it is substitutable. Given X:B; Y:B; and Z:X,Y; assume someZ is an instance of Z. With virtual inheritance, (B)(X)someZ and (B)(Y)som...
Should switch statements always contain a default clause?
...akes appropriate action for unhandled values, in case an invalid value was cast to the enum type. So this may work best for simple cases where you can return within the enum case rather than break.
enum SomeEnum
{
ENUM_1,
ENUM_2,
// More ENUM values may be added in future
};
int foo(So...
The selected run destination is not valid for this action
...MyApp My Mac 64-bit". How can I get this set back to iphone/ipad simulator and devices? My "Targeted Device Family" setting is iPhone/iPad.
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Difference between CR LF, LF and CR line break types?
... difference (with examples if possible) between CR LF (Windows), LF (Unix) and CR (Macintosh) line break types.
9 Answers
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