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What is the rationale behind having companion objects in Scala?
... nbro
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answered Mar 4 '09 at 22:54
SaemSaem
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Deep null checking, is there a better way?
...te all the short-circuiting checks for you.
It didn't make the bar for C# 4. Perhaps for a hypothetical future version of the language.
Update (2014):
The ?. operator is now planned for the next Roslyn compiler release. Note that there is still some debate over the exact syntactic and semantic an...
Cache Invalidation — Is there a General Solution?
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edited Apr 4 '17 at 5:01
Арсений Пичугин
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Undefined symbols for architecture armv7
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Number of days in particular month of particular year?
...l Bourque
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answered Jan 20 '12 at 11:08
Hemant MetaliaHemant Metalia
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What is lexical scope?
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AraKAraK
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TypeScript function overloading
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Ian Kemp
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answered Nov 3 '12 at 19:49
S. Ravi KiranS. Rav...
Alternate FizzBuzz Questions [closed]
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How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to
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answered Feb 24 '13 at 16:31
user405725user405725
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How do I create a copy of an object in PHP?
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In PHP 5+ objects are passed by reference. In PHP 4 they are passed by value (that's why it had runtime pass by reference, which became deprecated).
You can use the 'clone' operator in PHP5 to copy objects:
$objectB = clone $objectA;
Also, it's just objects that are pass...