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Java: Path vs File
For new applications written in Java 7, is there any reason to use a java.io.File object any more or can we consider it deprecated?
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Create Generic method constraining T to an Enum
...on("T must be an enumerated type");
}
//...
}
This will still permit passing of value types implementing IConvertible. The chances are rare though.
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Breadth First Vs Depth First
...ese two terms differentiate between two different ways of walking a tree.
It is probably easiest just to exhibit the difference. Consider the tree:
A
/ \
B C
/ / \
D E F
A depth first traversal would visit the nodes in this order
A, B, D, C, E, F
Notice that you go all the w...
Collections.emptyMap() vs new HashMap()
What are some of the situations where I can use Collections.emptyMap() ? The Documentation says I can use this method if I want my collection to be immutable.
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Using MemoryStore in production
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edited Apr 25 '14 at 21:41
pixelfreak
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Else clause on Python while statement
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The else clause is only executed when your while condition becomes false. If you break out of the loop, or if an exception is raised, it won't be executed.
One way to think about it is as an if/else construct with respect to the condition:
if condition:
handle_true()
e...
What is the purpose of double curly braces in React's JSX syntax?
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It's just an object literal inlined in the prop value. It's the same as
var obj = {__html: rawMarkup};
<span dangerouslySetInnerHTML={obj} />
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In what cases do I use malloc and/or new?
...ou should call free and when you use the new operator you should pair with delete and it is a mistake to mix the two (e.g. Calling free() on something that was created with the new operator), but I'm not clear on when I should use malloc / free and when I should use new / delete in m...
Differences between Perl and PHP [closed]
...to learn Perl 5 and as I have only used PHP until now, I wanted to know a bit about how the languages differ from each other.
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Difference between style = “position:absolute” and style = “position:relative”
Can any one tell me the Difference between style = "position:absolute" and style = "position:relative" and how they differ in case I add it to div / span / input elements?
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