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What are the rules for evaluation order in Java?
...me say this very clearly, because people misunderstand this all the time:
Order of evaluation of subexpressions is independent of both associativity and precedence. Associativity and precedence determine in what order the operators are executed but do not determine in what order the subexpressions ...
Missing return statement in a non-void method compiles
...eption();
}
That's a non-void method. It has to be a non-void method in order to satisfy the interface. But it seems silly to make this implementation illegal because it does not return anything.
That your method has an unreachable end point because of a goto (remember, a while(true) is just a ...
On design patterns: When should I use the singleton?
...ler. Your application should only have a single instance of the spooler in order to avoid conflicting request for the same resource.
Or a database connection or a file manager etc.
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Unique random string generation
...ose from the entire allowedCharSet, ignore
// the value in order to avoid biasing the result.
var outOfRangeStart = byteSize - (byteSize % allowedCharSet.Length);
if (outOfRangeStart <= buf[i]) continue;
result.Append(allowedCharSet[...
do { … } while (0) — what is it good for? [duplicate]
..., you don't get to choose how other people are going to use your macro. In order to avoid unexpected surprises inflicted upon your users, you have to use a technique like the above to make your macro behave as any other C statement would behave.
– Greg Hewgill
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What is the difference between Builder Design pattern and Factory Design pattern?
...en the two more clear.
Suppose, you went to a fast food restaurant and you ordered Food.
1) What Food?
Pizza
2) What toppings?
Capsicum, Tomato, BBQ chicken, NO PINEAPPLE
So different kinds of foods are made by Factory pattern but the different variants(flavors) of a particular food are made by Buil...
Android: Scale a Drawable or background image?
....: I'm also not scrolling in my case.) What would I augment bitmap with in order to scale the image?
– Joe D'Andrea
Feb 27 '12 at 4:10
7
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What must I know to use GNU Screen properly? [closed]
...ing to split my terminal. I didn't realize I needed to run screen first in order to get any of these commands to work, silly, I know.
– Ogaday
Nov 3 '15 at 11:49
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Detect If Browser Tab Has Focus
... API without a prefix for a while now. I kept Microsoft specific prefix in order to stay compatible with IE10.
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enum.values() - is an order of returned enums deterministic
...e:
@return an array containing the constants of this enum type, in the order they're declared [Source]
So, yes, they will be returned in declaration order. It's worth noting that the order might change over time if someone changes the class so be very careful about how you use this.
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