joining expression does not work

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alnux
Member | 105
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Hi i was trying to see joining expresion but this show me a page not found error 404, could you help me where can i find it.

thanks

petr.pavel
Member | 504
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Sorry, I don't understand. Can you give us the url you tried?

alnux
Member | 105
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Sorry the joining expression URL dos not working, the URL is

https://doc.nette.org/…-expressions

alnux
Member | 105
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So Does it change the name???

David Matějka
Moderator | 6427
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where did you find that link?

alnux
Member | 105
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Here

https://doc.nette.org/…se-activerow

On has one relation Just before this

echo $book->title . ": ";
echo $book->author->name;
if ($book->translator) {
    echo " (translated by " . $book->translator->name . ")";
}